CN100589723C - Methods for preserving fresh produce - Google Patents

Methods for preserving fresh produce Download PDF

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Publication number
CN100589723C
CN100589723C CN200480027674A CN200480027674A CN100589723C CN 100589723 C CN100589723 C CN 100589723C CN 200480027674 A CN200480027674 A CN 200480027674A CN 200480027674 A CN200480027674 A CN 200480027674A CN 100589723 C CN100589723 C CN 100589723C
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China
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ion
ascorbic acid
corrosive properties
antiseptic solution
agricultural product
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CN1856261A (en
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C·陈
X·董
K·詹姆斯
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Mantrose Haueser Co Inc
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Mantrose Haueser Co Inc
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    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
    • Y02A40/90—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in food processing or handling, e.g. food conservation

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  • Storage Of Fruits Or Vegetables (AREA)
  • Food Preservation Except Freezing, Refrigeration, And Drying (AREA)

Abstract

Methods of preserving fresh produce with a produce preservative which extends the shelf life of fresh produce, particularly cut fresh produce, and preserves the texture, flavor, appearance, crispness,and color of the fresh produce, particularly the exposed surface of the fresh produce, are provided. The method comprises: providing a solution of produce preservative comprising: water; a preservative cation which is selected from the group consisting of a strontium ion, lithium ion, barium ion, aluminum ion, copper ion, ammonium ion, iron ion, manganese ion, potassium ion, or mixtures thereof;and ascorbate ions, or erythorbate ions; wherein the ascorbate ions or erythorbate ions and the preservative cation are present in an ion ratio of preferably from 0.2:1 to 8:1, more preferably 0.75:1to 8:1, even more preferably from 1:1 to 4:1, yet more preferably 1.5:1 to 3:1; most preferably 1.1:1 to 2.5:1; and, applying said produce preservative to the produce. The invention also relates to fresh produce preserved with the produce preservatives.

Description

Preserve the method for fresh produce
The cross reference of related application
The application requires the U.S. Provisional Application number 60/523517 submission purpose priority of the U.S. Provisional Application number submission on September 19th, 60/498399 and 2003 of submission on August 28th, 2003, includes it in this paper in full as a reference.
Background of invention
Fresh produce is can be very fast rotten, and particularly pulp or vegetables are when exposing, when agricultural product are carried out peeling or slice processing.Its outward appearance, taste, quality and fragility can very fast variation.Within several hrs, products such as apple begin to become brown, lose its distinctive taste.Agricultural product can be lost its quality and the degree of packing, and deliquescing also loses its distinctive fragility.
Use in many store methods and boil, this can change its taste and quality; Particularly change its outward appearance.The basic retaining taste of freezing energy; But quality and fragility can be affected.And frozen food need continue stored frozen, needs stored frozen equipment.The dry retaining taste of energy usually, but quality, fragility and outward appearance can be subjected to considerable influence.Refrigeration helps to keep fragility, quality and taste in limited several hrs, but can not prevent that it from fading.Chemical preservative normally uses separately, perhaps is used in combination with these store methods; But they tend to stay pleasant impression.
There is a kind of method to use four kinds of active components: acidulant such as citric acid; Metal sequestering agent or chelate such as acid sodium polyphosphate; Enzyme inhibitor such as calcium chloride; With antioxidant such as ascorbic acid.But treated fruit has strange taste, and product tends to fade in 5 days.
Having adopted citric acid in the lemon juice to delay fruit fades; But treated fruit has tart flavour, and deliquescing and moisturizing is often faded in several hrs.
Sodium ascorbate also is used to preserve fruit; Though postponed to fade, fruit has the saline taste that can be discovered.
Additive method often relates to a kind of film of formation on fruit surface; But these films stay often and make us unacceptable gluing sensation eating fruit.
Need a kind of preservation agricultural product, the method for agricultural product particularly through cutting processing, this method can keep its outward appearance, color, quality, fragility and taste, and can not stay pleasant impression do not need to boil, dry or freezing yet.
The present invention relates to a kind of method with agricultural product anticorrisive agent preservation fresh produce, this method can prolong fresh produce, particularly the storage life of the fresh produce through cutting processing.This agricultural product anticorrisive agent can keep fresh produce, the quality of the fresh produce that exposes of surface particularly, taste, outward appearance, fragility and color.This method may further comprise the steps: the agricultural product antiseptic solution is provided, and it contains: water; Be selected from the anti-corrosive properties cation of strontium ion, lithium ion, barium ions, aluminium ion, copper ion, ammonium ion, iron ion, manganese ion, potassium ion or its mixture; And ascorbic acid radical ion or arabo-ascorbic acid radical ion; Ascorbic acid root anion or arabo-ascorbic acid root anion and the cationic ion ratio of anti-corrosive properties are preferably 0.2 in the solution: 1-8: 1, more preferably 0.75: 1-8: 1, more preferably 1: 1-4: 1,1.5: 1-3: 1; Most preferably 1.1: 1-2.5: 1; Described agricultural product anticorrisive agent is put on the agricultural product that are more preferably.
The contained cationic percentage by weight of anti-corrosive properties is preferably from 0.02% to saturated solution in this agricultural product antiseptic solution, more preferably 0.02%-30%, more preferably 0.05-20%, more preferably 0.2%-10%, more preferably 0.5%-8%, most preferably 0.6%-5%; The preferred 0%-40% of percentage by weight of the stereoisomer arabo-ascorbic acid of contained ascorbic acid or ascorbic acid, more preferably 0.1%-40%, more preferably 0.1%-30%, more preferably 0.5%-15%, most preferably 1.0%-5%.
Preferred then agricultural product are stored in can not make under its temperature of freezing; Preferred agricultural product are stored in-6 ℃ to the temperature of room temperature.The invention still further relates to the fresh produce of preserving with this agricultural product anticorrisive agent.
Detailed Description Of The Invention
The present invention relates to preserve fresh produce with the fresh produce anticorrisive agent, promptly without the method for the fruits and vegetables of boiling, this method can prolong fresh produce, particularly the storage period of the fresh produce through cutting processing.This agricultural product anticorrisive agent can be preserved fruit, especially sets for example jaw pears of unboiled water fruit, the quality of the operatic circles such as apple and pears, taste, outward appearance, fragility, color.This anticorrisive agent can also keep the quality of vegetables, taste, outward appearance, fragility, the vegetables of color, particularly following department: Solanaceae such as potato, pepper, eggplant and tomato; Green onion section such as onion; With rape section, be also referred to as Cruciferae, as cabbage; Curcurbitaceae such as cucumber; Umbelliferae (Apiaceae or Umbelliferae) is as celery; And composite family (Compositae or Asteraceae) is as lettuce.This agricultural product anticorrisive agent can also be preserved sac fungus/basidiomycetous edible fungus, as edible mushroom.Except as otherwise noted, term " vegetables " comprises the edible fungus except conventional vegetables.
This method may further comprise the steps: a kind of agricultural product antiseptic solution is provided, and it contains: water, as the cationic strontium ion of anti-corrosive properties, lithium ion, barium ions, aluminium ion, copper ion, ammonium ion, iron ion, manganese ion, potassium ion or its mixture; And ascorbic acid radical ion or arabo-ascorbic acid radical ion, ascorbic acid radical ion or arabo-ascorbic acid radical ion and the cationic ion ratio of anti-corrosive properties are preferably 0.2 in the solution: 1-8: 1, more preferably 0.5: 1-4: 1, more preferably 1.5: 1-2.5: l; Described agricultural product anticorrisive agent is put on agricultural product.Preferably copper ion more not.Adopt routine techniques to apply this agricultural product anticorrisive agent, the preferred enough time is with these agricultural product anticorrisive agent coating agricultural product.The technology that is fit to is spraying, sprays and soak.Preferably agricultural product are stored under the temperature that can not freeze these agricultural product then; The temperature of finding-6 ℃ can not make apple freeze.Preferably these agricultural product are kept at the temperature between 20 ℃ of-7 ℃-room temperatures, more preferably-2 ℃-7 ℃, most preferably 2 ℃-5 ℃.The fresh produce of the room temperature storage of preserving with this anticorrisive agent can keep color, taste, quality and taste after time expand.
This method can suppress the new agricultural product that cut processing and fade; Time length depends on the anti-corrosive properties cation in the selected agricultural product antiseptic solution.Generally can in 2 weeks or longer time, prevent that agricultural product from fading sometimes, keep freshness, fragility, quality, color and the taste of agricultural product simultaneously, not residual usually any pleasant impression in 1 week.Definite storage life length also depends on the kind of initial agricultural product quality, agricultural product and the growth conditions of agricultural product.The advantage of the inventive method is, the agricultural product of preservation can be stored in normal atmosphere depress with standard atmosphere condition under; That is, this method does not require agricultural product is stored in vacuum or the inert gas.The method of this preservation agricultural product does not require and boils, drying or frozen food.This method advantage is not need anticorrisive agents such as sulphite.But, with this anticorrisive agent to agricultural product anticorrosion after, can be dried or freeze-drying is used, for example food or potpourri; Final fading of taking place when this agricultural product anticorrisive agent can further delay dry and freeze-drying agricultural product.When the agricultural product of these dryings or freeze-drying were restored, it is low that agricultural product and the agricultural product of preserving without this agricultural product anticorrisive agent are compared fading extent.
The agricultural product anticorrisive agent
This agricultural product anticorrisive agent is preferably a kind of water and cationic solution of anti-corrosive properties of containing.
The cationic source of anti-corrosive properties is anti-corrosive properties cationic hydroxide or the cationic salt of anti-corrosive properties or its mixture.The anti-corrosive properties cationic salts for example has: ascorbate, erythorbate, chloride, carbonate, phosphate, oxide, glycerophosphate, lactate and composition thereof.
There are ascorbic acid, arabo-ascorbic acid in the source of ascorbic acid radical ion, perhaps ascorbate or erythorbate.Preferably with ascorbate or erythorbate source as anti-corrosive properties cation and ascorbic acid radical ion or arabo-ascorbic acid radical ion.
In the time of in adding entry, ascorbic acid to small part resolves into ascorbic acid radical ion and hydrogen ion.Similarly, the anti-corrosive properties cationic salts resolves into anti-corrosive properties cation and corresponding anion.For example the lithium salts lithium carbonate resolves into lithium ion and corresponding carbonate anion.Contain the compound of anti-corrosive properties cation and ascorbic acid root or arabo-ascorbic acid root in employing, for example when ascorbic acid lithium or arabo-ascorbic acid lithium, also can use the agricultural product anticorrisive agent of dried forms.This agricultural product anticorrisive agent of dried forms is preferably Powdered or graininess.Preferably contain at least 1% in the anticorrisive agent of dried forms, more preferably at least 2%, more preferably at least 4%, this agricultural product anticorrisive agent of at least 5% most preferably.
Outside dewatering, the preferred 1%-100% of percentage of dry ingredient in this agricultural product anticorrisive agent, more preferably 12%-50%, more preferably 20%-40%, most preferably the anticorrisive agent salt of 15%-35%; During salt outside anticorrisive agent salt is ascorbate or erythorbate, preferably contain 0.5%-95%, more preferably 50%-85%, more preferably 60%-88%, the most preferably ascorbic acid of 65%-75%.When this salt is ascorbate or erythorbate, then do not need yet not preferred ascorbic acid.Anticorrisive agent salt is to contain the cationic salt of anti-corrosive properties.
When anticorrisive agent salt is chloride, outside dewatering, the preferred 30%-95% of percentage of dry ingredient in this agricultural product anticorrisive agent, more preferably 60%-80%, the most preferably ascorbic acid of 63%-67% or arabo-ascorbic acid, and 5%-70%, more preferably 20%-35%, most preferably the anticorrisive agent salt of 25%-30%.
When the anti-corrosive properties cation source is hydroxide, the preferred 50%-95% of percentage of dry ingredient, more preferably 60%-92% in this agricultural product anticorrisive agent, the ascorbic acid of 70%-85% most preferably, and 5%-50%, more preferably 8%-40%, the most preferably hydroxide of 15%-30%.
When anticorrisive agent salt is carbonate, the preferred 50%-95% of percentage of dry ingredient, more preferably 55%-90% in this agricultural product anticorrisive agent, the most preferably ascorbic acid of 60%-85% or arabo-ascorbic acid, and 5%-50%, more preferably 10%-45%, most preferably the anticorrisive agent salt of 15%-40%.
This agricultural product antiseptic solution should contain from 0.075% to saturated solution, more preferably 0.225%-12.25%, more preferably the anti-corrosive properties cationic salts of 0.375%-6%; With preferred 0.2%-30%, more preferably 1.0%-8.5%, the more preferably ascorbic acid of 2%-5% or its stereoisomer arabo-ascorbic acid.
Ascorbic acid radical ion or arabo-ascorbic acid radical ion and the cationic ion of anti-corrosive properties or mol ratio preferred 0.2: 1-8: 1 in this agricultural product antiseptic solution, more preferably 0.75: 1-8: 1, more preferably 1: 1-4: 1, more preferably 1.5: 1-3: 1, most preferably 1.1: 1-2.5: 1.Described agricultural product anticorrisive agent is put on agricultural product.
The preferred implementation of this agricultural product antiseptic solution is 0.5% to saturated solution, preferred 1.5%-15%, more preferably anti-corrosive properties cation-ascorbate of 2.5%-10%.
The preferred 1.7-10 of pH scope of this agricultural product antiseptic solution, more preferably 2-8, most preferably 3-7.5.When needing, available conventional reagent, for example conventional acid example hydrochloric acid or conventional alkali such as NaOH are regulated pH.
In order to obtain best taste, the weight of the chloride concentration dry ingredient in this agricultural product anticorrisive agent is not more than 35%, more preferably no more than 0.15%, more preferably no more than 0.1%, most preferably is not more than 0.01%.Similarly, in order to obtain best taste, the weight of the preferred dry ingredient of na concn is not more than 5% in this agricultural product anticorrisive agent, more preferably is not more than 1%, more preferably no more than 0.5%, more preferably no more than 0.1%, most preferably is not more than 0.01%.
The citric acid of this agricultural product anticorrisive agent, citrate ion, acetate, acetate ion, lactic acid, lactate ion, malic acid, malate ion or these sour salt, or the weight of the preferred dry ingredient of concentration of other acid or acid ion is not more than 20%, more preferably be not more than 10%, more preferably no more than 5%, more preferably no more than 1%, more preferably no more than 0.1%, most preferably be not more than 0.01%.If adopt citric acid and citrate, preferred ascorbic acid is more than citric acid, and/or preferred ascorbic acid root is more than citrate.
Also have, in order to obtain best taste, metal ion chelation agent in this agricultural product anticorrisive agent, the weight of especially acid polyphosphoric acids metal ion chelation agent (sequestrant or chelant) concentration dry ingredient is not more than 5%, more preferably be not more than 2%, more preferably no more than 0.5%,, most preferably be not more than 0.01% more preferably no more than 0.1%.
The weight of the concentration dry ingredient of sulphite should be not more than 5% in this agricultural product anticorrisive agent, more preferably is not more than 2%, more preferably no more than 0.5%, more preferably no more than 0.1%; Most preferably be not more than 0.01%.Sulphite comprises for example sodium metabisulfite, inclined to one side potassium bisulfite, niter cake, sodium pyrosulfate and calcium bisulfate.
The weight of the concentration dry ingredient of flavonoids, fructus rosae or pineapple juice should be not more than 5% in this agricultural product antiseptic solution, more preferably is not more than 2%, more preferably no more than 0.5%, more preferably no more than 0.1%; Most preferably be not more than 0.01%.
The weight of the concentration dry ingredient of tocopherol, especially alpha tocopherol should be not more than 5% in this agricultural product antiseptic solution, more preferably is not more than 2%, more preferably no more than 0.5%, more preferably no more than 0.1%; Most preferably be not more than 0.01%.
Do not contain " mouthfeel " that can influence vegetables in also preferred this agricultural product anticorrisive agent through cutting processing, and the material that makes vegetables have class ceraceous sample or satiny sensation, for example gelling agent, film forming agent, wax, natural gum, polysaccharide such as CMC, methylcellulose, microcrystalline cellulose, alginates, carrageenan, lipid, pectin, converted starch, locust bean gum, xanthans, gellan gum, guar gum and tragacanth gum.The weight of the preferred dry ingredient of concentration of these materials is not more than 5% in this antiseptic solution, more preferably is not more than 2%, more preferably no more than 0.5%, more preferably no more than 0.1%; Most preferably be not more than 0.01%.
Lecithin in this agricultural product anticorrisive agent, emulsifying agent, protein or each seed amino acid such as cysteine, the weight of the preferred dry ingredient of concentration of L-cysteine of more specifically saying so is not more than 5%, more preferably be not more than 2%, more preferably no more than 0.5%, more preferably no more than 0.1%; Most preferably be not more than 0.01%.
Though some cation is unsuitable for preserving food agricultural produce as strontium or barium, they can be used for preserving the agricultural product that are used for potpourri and artifacts, especially when this agricultural product are dry products.
Preserve the method for agricultural product with described agricultural product anticorrisive agent
Preferred earlier with the fresh produce sterilization, to reduce or eliminate supracutaneous microorganism.Employing contains 50-150ppm and can utilize the liquor natrii hypochloritis of chlorine can obtain good result.Then to agricultural product for example peel, section, stoning, cutting, peeling processing or its combination; Preferably sterilization or washing once more applies this agricultural product anticorrisive agent then.Preferably at ambient temperature with routine techniques as spray, soak, spray, shake, submergence or dipping apply this agricultural product anticorrisive agent.Immersion comprises immerses agricultural product in this agricultural product antiseptic solution, normally preferred technology.Agricultural product are soaked to obtain good result in 1-2 minute.Also can adopt longer soak time; Soak time surpasses 15 minutes will influence taste.
Preferably agricultural product are placed packing then, prevent or the agricultural product exsiccation of slowing down, if especially edible in several hours, when for example would needing transportation or being illustrated on the shelf.Yet,, should not pack through the agricultural product that will in several hours, eat after section or the peeling.Suitable packing for example comprises: Food Saver bag Cryovac PD900 or Cryovac B900 that 2-4 mil Polythene Bag, polystyrene " clam shell " packing, multi-layer polyolefin bag such as Cryovac Inc. produce are the no airtight containers that Polythene Bag is housed in carton.
Preferably agricultural product are stored under the temperature that can not freeze these agricultural product; For example, find that-6 ℃ of temperature can not make apple freeze.Preferably fresh produce is stored in the temperature below 30 ℃, more preferably is lower than 25 ℃, more preferably less than 10 ℃, more preferably less than 5 ℃, to slow down microbial growth.Though agricultural product can be stored under the environment temperature about 20 ℃, temperature is lower than 20 ℃, preferably is lower than 10 ℃, can prolong its storage period.Agricultural product should be stored under the temperature more than 0 ℃.Preferably agricultural product are kept between-7 ℃ of-20 ℃ of room temperatures, more preferably-2 ℃-7 ℃, most preferably 2 ℃-5 ℃.
To preserving the evaluation of agricultural product
Owing to preserve with the agricultural product anticorrisive agent, fading of agricultural product obviously alleviates.
The degree of packing of fruit or hardness refer to thrust the needed power of certain distance in the fruit with probe.Available Quality and the Test System 25 and the TA 40 probe assay degree of packing available from Stevens Company.The TA probe is the bar-shaped probe of 4.5 mm dias, 20 millimeters long done of a kind of black acetic acid esters material, has a flat distal end.Adopted following setting in the QTS system: test-types is wheel compression test, and 0 second time of repose recovered in 0 second, 5g trigger point, 30 millimeters/minute test speeds, the desired value of target unit distance and 3 millimeters.1 centimetre of apple slice thickness.
Estimate quality, taste and the moisture content of fruit by tasting the fruit sample.With visual method evaluate color and/or outward appearance.Use scoring evaluate color, quality, moisture content and the taste of 1-10 then, the 10th, be equivalent to the value of fruit or vegetables fresh cut slice.This value be lower than 7 think unacceptable.
Among the embodiment 11a by making the bending of agricultural product sample estimate the degree of packing of agricultural product.The visual assessment outward appearance.Measure the water yield that agricultural product discharged and estimate moisture content.
Embodiment
Embodiment 1a
With running water rinsing snake fruit, with the liquor natrii hypochloritis's sterilization that contains 100ppm chlorine, stoning and section then.Apple flakes was immersed in the water 0.5-2 minute.Then apple flakes is immersed and contain 4% ascorbic acid and 1.59%K 2CO 3In the agricultural product antiseptic solution of pH5.69 1 minute.From solution, take out apple flakes, drained 1-2 minute, be sealed in the Polythene Bag, be stored in 2-5 ℃.The apple of contrast, section does not deal with, or its immersion is transferred in 4% ascorbic acid of pH to 4.45 with 0.66%NaOH.In order to contrast, the apple slice immersion is contained 4% ascorbic acid and 1.22%Na 2CO 3PH is in 5.58 the solution.
Through the certain hour interval post-evaluation apple and the 1-10 branch of marking.The color that meaned this fruit in 10 minutes is the same with fresh cut fruit with outward appearance good.7 minutes is the minimum outward appearance of accepting.Measure hardness with QTS25.The results are shown in Table 1.
Table 1: to the evaluation of the apple slice preserved with the fresh produce anticorrisive agent
Embodiment Color Taste Quality Moisture content Hardness
0 hour
Untreated control 8.2 10 10 10 1898
The ascorbic acid contrast 10 5 10 10 2083
Embodiment 1a ascorbic acid+K 2CO 3 10 9 10 10 1849
Comparative Examples 10 7.4 10 10 2155
1 day
Untreated control 6 9.8 9.2 10
The ascorbic acid contrast 10 8 9.8 10
Embodiment 1a ascorbic acid+K 2CO 3 10 9.5 10 10
Comparative Examples 10 8.6 10 10
1 week
Untreated control 4.4 / / / 1603
The ascorbic acid contrast 9.6 7 7.8 10 1578
Embodiment 1a ascorbic acid+K 2CO 3 10 9.2 10 10 1832
Comparative Examples 10 8.8 10 8 1862
2 weeks
Untreated control 3 / / / 1014
The ascorbic acid contrast 8.4 7 7 9 1072
Embodiment 1a ascorbic acid+K 2CO 3 10 8.8 7 9 1083
Comparative Examples 10 8.6 7 8 1087
Embodiment 2a
Preserve crust pears (crust pears) with the fresh produce anticorrisive agent among the embodiment 1a, antiseptic solution contains 4% ascorbic acid and 1.59%K 2CO 3For relatively, with containing 4% ascorbic acid and 1.22%Na 2CO 3Comparative solution handle pears.The results are shown in Table 2.
Table 2: to the evaluation of cutting into slices with the pears of fresh produce anticorrisive agent preservation
Embodiment Color Taste Quality Moisture content Hardness (g)
0 hour
Untreated control 9.9 10 10 10 2324
The ascorbic acid contrast 10 5 10 10 2215
Embodiment 1a ascorbic acid+K 2CO 3 10 8.4 10 10 1714
Comparative Examples 10 6 10 10 2302
1 day
Untreated control 6 10 9.2 10
The ascorbic acid contrast 10 9 9.6 10
Embodiment 1a ascorbic acid+K 2CO 3 10 9.6 9.8 10
Comparative Examples 10 7.6 10 10
1 week
Untreated control 4.8 / / / 360
The ascorbic acid contrast 8.6 8.8 3 7 315
Embodiment 1a ascorbic acid+K 2CO 3 10 9 9 8.6 1049
Comparative Examples 10 8.6 9 8 1376
2 weeks
Untreated control 5 / / / 209
The ascorbic acid contrast 6.4 3.4 1 / 79
Embodiment 1a ascorbic acid+K 2CO 3 10 8.6 6.6 8 437
Comparative Examples 9.8 7.2 6.4 7.6 492
Embodiment 3a
Preserve snake fruit and granny smith with the fresh produce anticorrisive agent of embodiment 1a, except this antiseptic solution contains 4% ascorbic acid and 1%Li 2CO 3The results are shown in Table 3 and 4.
Embodiment 3b
Preserve snake fruit and granny smith with the fresh produce anticorrisive agent of embodiment 3a, except this antiseptic solution contains 4% ascorbic acid and 1%BaCl 2
Embodiment 3c
Preserve snake fruit and granny smith with the fresh produce anticorrisive agent of embodiment 3a, except this antiseptic solution contains 4% ascorbic acid and 1.5%SrCl 26H 2O.
Embodiment 3d
Preserve snake fruit and granny smith with the fresh produce anticorrisive agent of embodiment 3a, except this antiseptic solution contains 3.5% ascorbic acid and 1%NH 4Cl.
Embodiment 3e
Preserve snake fruit and granny smith with the fresh produce anticorrisive agent of embodiment 3a, except this antiseptic solution contains 3.5% ascorbic acid and 1.6%CuSO 4
Embodiment 3f
Preserve snake fruit and granny smith with the fresh produce anticorrisive agent of embodiment 3a, except this antiseptic solution contains 4% ascorbic acid and 1.5%FeCl 2XH 2O.
Embodiment 3g
Preserve snake fruit and granny smith with the fresh produce anticorrisive agent of embodiment 3a, except this antiseptic solution contains 3% ascorbic acid and 1.5%FeCl 2XH 2O.
Embodiment 3h
Preserve snake fruit and granny smith with the fresh produce anticorrisive agent of embodiment 3a, except this antiseptic solution contains 1.8% ascorbic acid and 0.72%FeCl 2
Embodiment 3i
Preserve snake fruit and granny smith with the fresh produce anticorrisive agent of embodiment 3a, except this antiseptic solution contains 4% ascorbic acid and 1.75%FeSO 4
Embodiment 3j
Preserve snake fruit and granny smith with the fresh produce anticorrisive agent of embodiment 3a, except this antiseptic solution contains 3% ascorbic acid and 1.25%FeSO 4
Embodiment 3k
Preserve snake fruit and granny smith with the fresh produce anticorrisive agent of embodiment 3a, except this antiseptic solution contains 1.8% ascorbic acid and 0.75%FeSO 4
Embodiment 3l
Preserve snake fruit and granny smith with the fresh produce anticorrisive agent of embodiment 3a, except this antiseptic solution contains 4% ascorbic acid and 1.9%FeCl 3
Embodiment 3m
Preserve snake fruit and granny smith with the fresh produce anticorrisive agent of embodiment 3a, except this antiseptic solution contains 3% ascorbic acid and 1.4%FeCl 3
Embodiment 3n
Preserve snake fruit and granny smith with the fresh produce anticorrisive agent of embodiment 3a, except this antiseptic solution contains 2% ascorbic acid and 0.95%FeCl 3
Embodiment 3o
Preserve snake fruit and granny smith with the fresh produce anticorrisive agent of embodiment 3a, except this antiseptic solution contains 4% ascorbic acid and 2.28%MnCl 24H 2O.
Embodiment 3p
Preserve snake fruit and granny smith with the fresh produce anticorrisive agent of embodiment 3a, except this antiseptic solution contains 4% ascorbic acid and 0.56%MnCO 3
Table 3: to the evaluation of really cutting into slices with the snake of fresh produce anticorrisive agent preservation
Embodiment 24 hours (app) 3 days 1 week
Embodiment 3a ascorbic acid+Li 2CO 3 10 10 10
Embodiment 3b ascorbic acid+BaCl 2 10 10 10
Embodiment 3c ascorbic acid+SrCl 2 10 6 5
Embodiment 3d ascorbic acid+NH 4Cl 10 8 5.5
Embodiment 3e ascorbic acid+CuSO 4 8 4 /
Embodiment 3f ascorbic acid+FeCl 2 7.5 6 /
Embodiment 3g ascorbic acid+FeCl 2 10 6 /
Embodiment 3h ascorbic acid+FeCl 2 10 6 /
Embodiment 3i ascorbic acid+FeSO 4 8 4.5 /
Embodiment 3j ascorbic acid+FeSO 4 10 6 /
Embodiment 3k ascorbic acid+FeSO 4 9.5 6 /
Embodiment 3l ascorbic acid+FeCl 3 7.5 7 4
Embodiment 3m ascorbic acid+FeCl 3 8 8 6
Embodiment 3n ascorbic acid+FeCl 3 10 10 6
Embodiment 3o ascorbic acid+MnCl 2 9.5 9.5 8
Embodiment 3p ascorbic acid+MnCO 3 10 10 7.5
Ascorbic acid 9 9 6
The apple that is untreated faded in one hour.
Table 4: to the evaluation of cutting into slices with the granny smith of fresh produce anticorrisive agent preservation
Embodiment 1 day 3 days 1 week
Embodiment 3a ascorbic acid+Li 2CO 3 10 10 10
Embodiment 3b ascorbic acid+BaCl 2 10 10 10
Embodiment 3c ascorbic acid+SrCl 2 10 7 6
Embodiment 3d ascorbic acid+NH 4Cl 10 8.5 6
Embodiment 3e ascorbic acid+CuSO 4 10 4 /
Embodiment 3f ascorbic acid+FeCl 2 7 6 /
Embodiment 3g ascorbic acid+FeCl 2 10 6 /
Embodiment 3h ascorbic acid+FeCl 2 10 7 6
Embodiment 3i ascorbic acid+FeSO 4 8 5 /
Embodiment 3j ascorbic acid+FeSO 4 10 6 /
Embodiment 3k ascorbic acid+FeSO 4 10 9 6
Embodiment 3l ascorbic acid+FeCl 3 9 9 6
Embodiment 3m ascorbic acid+FeCl 3 10 10 6
Embodiment 3n ascorbic acid+FeCl 3 10 10 6
Embodiment 3o ascorbic acid+MnCl 2 10 10 10
Embodiment 3p ascorbic acid+MnCO 3 10 10 10
The contrast ascorbic acid 10 10 6
Will begin in a minute after untreated granny smith and snake are really cut and fade.The color scoring drops to below 7 when cutting back 5-30 minute.
Embodiment 4a
Preserve the crust pears with the fresh produce anticorrisive agent of embodiment 1a, except this antiseptic solution contains 4% ascorbic acid and 1%Li 2CO 3The results are shown in Table 5.
Embodiment 4b
Preserve the crust pears with the fresh produce anticorrisive agent of embodiment 4a, except this antiseptic solution contains 4% ascorbic acid and 1.6%BaGl 2
Embodiment 4c
Preserve the crust pears with the fresh produce anticorrisive agent of embodiment 4a, except this antiseptic solution contains 4% ascorbic acid and 1.5%SrCl 26H 2O.
Embodiment 4d
Preserve the crust pears with the fresh produce anticorrisive agent of embodiment 4a, except this antiseptic solution contains 4% ascorbic acid and 1.75%FeSO 4
Embodiment 4e
Preserve the crust pears with the fresh produce anticorrisive agent of embodiment 4a, except this antiseptic solution contains 4% ascorbic acid and 1.9%FeCl 3
Embodiment 4f
Preserve the crust pears with the fresh produce anticorrisive agent of embodiment 4a, except this antiseptic solution contains 4% ascorbic acid and 2.28%MnCl 24H 2O.
Embodiment 4g
Preserve the crust pears with the fresh produce anticorrisive agent of embodiment 4a, except this antiseptic solution contains 4% ascorbic acid and 0.56%MnCO 3
Table 5: to the evaluation of cutting into slices with the crust pears of fresh produce anticorrisive agent preservation
Embodiment 1 day 2 days 1 week
Embodiment 4a ascorbic acid and Li 2CO 3 10 10 9
Embodiment 4b ascorbic acid and BaCl 2 10 10 8.5
Embodiment 4c ascorbic acid and SrCl 2 9 8 5
Embodiment 4d ascorbic acid and FeSO 4 10 9 6
Embodiment 4e ascorbic acid and FeCl 3 10 10 10
Embodiment 4f ascorbic acid and MnCl 2 10 10 10
Embodiment 4g ascorbic acid and MnCO 3 10 10 5
The contrast ascorbic acid 10 6 /
Untreated crust pears cut after 4 hours, and the color scoring drops to below 7.
Embodiment 5a
Fresh produce anticorrisive agent with embodiment 1a is preserved the Haas avocado, except this antiseptic solution contains 9.3% ascorbic acid and 5.7%MnCl 24H 2O.The results are shown in Table 6.
Embodiment 5b
Fresh produce anticorrisive agent with embodiment 5a is preserved the Haas avocado, except this antiseptic solution contains 6.2% ascorbic acid and 3.8%MnCl 24H 2O.
Embodiment 5c
Fresh produce anticorrisive agent with embodiment 5a is preserved the Haas avocado, except this antiseptic solution contains 10.2% ascorbic acid and 4.8%FeCl 3
Embodiment 5d
Fresh produce anticorrisive agent with embodiment 5a is preserved the Haas avocado, except this antiseptic solution contains 6.8% ascorbic acid and 3.2%FeCl 3
Embodiment 5e
Fresh produce anticorrisive agent with embodiment 5a is preserved the Haas avocado, except this antiseptic solution contains 8% ascorbic acid and 3.5%FeSO 4
Table 6: to the evaluation of cutting into slices with the Haas avocado of fresh produce anticorrisive agent preservation
Embodiment 1 day 4 days 1 week
Embodiment 5a ascorbic acid+MnCl 2 10 10 10
Embodiment 5b ascorbic acid+MnCl 2 10 9 7.5
Embodiment 5c ascorbic acid+FeCl 3 8 8 8
Embodiment 5d ascorbic acid+FeCl 3 8 8 8
Embodiment 5e ascorbic acid+FeSO 4 10 10 7
The contrast of 6% ascorbic acid 6 / /
The contrast of 7% ascorbic acid 7 6 /
The contrast of 8% ascorbic acid 8.5 6 /
Will begin in a minute after the untreated contrast Haas avocado section and fade.The color scoring drops to below 7 after 1-2 hour in section.
Embodiment 6a
Preserve the section of Haas avocado with the fresh produce anticorrisive agent of embodiment 1a, except this antiseptic solution contains 6.5% ascorbic acid and 3.5% potassium chloride.7% ascorbic acid solution is adopted in contrast.The results are shown in Table 7.
Embodiment 6b
Preserve the section of Haas avocado with the fresh produce anticorrisive agent of embodiment 6a, except this antiseptic solution contains 6.5% ascorbic acid, 3% potassium chloride and 0.5% calcium chloride.
Embodiment 6c
Preserve the section of Haas avocado with the fresh produce anticorrisive agent of embodiment 6a, except this antiseptic solution contains 6.5% ascorbic acid, 1.5% potassium chloride and 2% calcium chloride.
Embodiment 6d
Preserve the section of Haas avocado with the fresh produce anticorrisive agent of embodiment 6a, except this antiseptic solution contains 7% ascorbic acid, 1% potassium chloride and 2% calcium chloride.
Embodiment 6e
Preserve the section of Haas avocado with the fresh produce anticorrisive agent of embodiment 6a, except this antiseptic solution contains 7% ascorbic acid, 1% potassium chloride and 2% calcium chloride.
Table 7: to the evaluation of cutting into slices with the Haas avocado of fresh produce anticorrisive agent preservation
Embodiment 1 day 2 days 4 days 1 week
Embodiment 6a 6.5% ascorbic acid+3.5% potassium chloride 10 10 10 9.5
Embodiment 6b 6.5% ascorbic acid+3% potassium chloride+0.5% calcium chloride 10 10 10 9.5
Embodiment 6c 6.5% ascorbic acid+1.5% potassium chloride+2% calcium chloride 10 10 9.75 9
Embodiment 6d 6.5% ascorbic acid+1% potassium chloride+2% calcium chloride 10 10 9.75 9.5
Embodiment 6e 6.5% ascorbic acid+2.5% potassium chloride+0.5% calcium chloride 10 10 10 8.5
Contrast 7% ascorbic acid 7 6 / /
Embodiment 7a
With the complete russet potato of running water washing, remove dust.Peel and be cut into the cubic block of about 0.5 inch * 0.5 inch size.Use the stripping and slicing of running water rinsing potato then, remove surface starch, drained 2-3 minute.The potato stripping and slicing immersed in the fresh produce antiseptic solution contain 4.0% ascorbic acid and 1.43 manganese chlorides 60 seconds-120 seconds, drained too much solution 2-3 minute.Pack the potato of this processing with 3 mil Polythene Bags, seal this bag, be stored in 2-5 ℃ and observe.For relatively, with the solution-treated potato that contains 4.0% ascorbic acid and 0.33% sodium chloride or 4.0% ascorbic acid and 0.6% sodium carbonate.The results are shown in Table 8.
Embodiment 7b
Preserve the russet potato section with the fresh produce anticorrisive agent of embodiment 7a, except this antiseptic solution contains 4.0% ascorbic acid and 1.43% iron chloride.
Embodiment 7c
Preserve the russet potato section with the fresh produce anticorrisive agent of embodiment 7a, except this antiseptic solution contains 4.0% ascorbic acid and 2.36% barium chloride.
Embodiment 7d
Preserve the russet potato section with the fresh produce anticorrisive agent of embodiment 7a, except this antiseptic solution contains 4.0% ascorbic acid and 1.78% strontium chloride.
Embodiment 7e
Preserve the russet potato section with the fresh produce anticorrisive agent of embodiment 7a, except this antiseptic solution contains 4.0% ascorbic acid and 0.84% strontium carbonate.
Embodiment 7f
Preserve the russet potato section with the fresh produce anticorrisive agent of embodiment 7a, except this antiseptic solution contains 4.0% ascorbic acid and 0.48% lithium chloride.
Embodiment 7g
Preserve the russet potato section with the fresh produce anticorrisive agent of embodiment 7a, except this antiseptic solution contains 4.0% ascorbic acid and 0.42% lithium carbonate.
Embodiment 7h
Preserve the russet potato section with the fresh produce anticorrisive agent of embodiment 7a, except this antiseptic solution contains 4.0% ascorbic acid and 0.84% potassium chloride.
Embodiment 7i
Preserve the russet potato section with the fresh produce anticorrisive agent of embodiment 7a, except this antiseptic solution contains 4.0% ascorbic acid and 1.1% saleratus.
Table 8: to the evaluation of cutting into slices with the russet potato of fresh produce anticorrisive agent preservation
Embodiment The 2nd day The 5th day The 9th day The 12nd day The 16th day
Embodiment 7a 4.0% ascorbic acid+1.43% manganese chloride 10 10 10 10 10
Embodiment 7b 4.0% ascorbic acid+1.43% iron chloride 1 1 1 1 1
Embodiment 7c ascorbic acid+2.36% barium chloride 10 10 10 10 10
Embodiment 7d ascorbic acid+1.78% strontium chloride 10 10 10 10 10
Embodiment 7e ascorbic acid+0.84% strontium carbonate 10 9.5 9 7 7
Embodiment 7f ascorbic acid+0.48% lithium chloride 10 10 10 10 10
Embodiment 7g ascorbic acid+0.42% lithium carbonate 10 10 10 9 8
Embodiment 7h ascorbic acid+0.84% potassium chloride 10 10 10 10 10
Embodiment 7i ascorbic acid+1.1% saleratus 10 10 10 10 8
Comparative solution ascorbic acid+0.33% sodium chloride 10 10 10 10 10
Comparative solution ascorbic acid+0.6% sodium carbonate 10 10 10 9 7
Untreated control 6 4 4 4 4
Embodiment 8a
Wash celery with running water, remove dust and earth, javelwater's (chlorinated water) sterilization of usefulness 100-150ppm 1 minute drained excessive chlorinated water 2-3 minute.Then celery is cut into about 3 inches long, that the 0.25-0.30 inch is wide segments, the chlorinated water sterilization of usefulness 100ppm 1 minute drained 2-3 minute then.The immersion of celery segment is contained 3.52% ascorbic acid and 1.97% manganese chloride-4H 2In the antiseptic solution of O 2-3 minute.Drained the celery segment handled 2-3 minute, and be packaged in the Polythene Bag, this bag of heated sealant is stored in 2-5 ℃ then.The results are shown in Table 9.
Embodiment 8b
Preserve celery section segment with the fresh produce anticorrisive agent of embodiment 8a, except this antiseptic solution contains 3.52% ascorbic acid and 1.26% iron chloride-6H 2O.
Table 9: to the evaluation of the segment of cutting into slices with the celery of fresh produce anticorrisive agent preservation
Embodiment The 2nd day The 6th day The 9th day The 14th day
Embodiment 8a ascorbic acid+manganese chloride 10 9.5 8 4
Embodiment 8b ascorbic acid+iron chloride 10 9 6 4
Untreated control 6 4 4 4
Embodiment 9a
Preserve celery section segment with the fresh produce anticorrisive agent of embodiment 8a, except this antiseptic solution contains 4.0% ascorbic acid and 1.18% barium chloride.The results are shown in Table 10.
Embodiment 9b
Preserve celery section segment with the fresh produce anticorrisive agent of embodiment 9a, except this antiseptic solution contains 4.0% ascorbic acid and 1.51% strontium chloride-6H 2O.
Embodiment 9c
Preserve celery section segment with the fresh produce anticorrisive agent of embodiment 9a, except this antiseptic solution contains 4.0% ascorbic acid and 0.84% strontium carbonate.
Embodiment 9d
Preserve celery section segment with the fresh produce anticorrisive agent of embodiment 9a, except this antiseptic solution contains 4.0% ascorbic acid and 0.48% lithium chloride.
Embodiment 9e
Preserve celery section segment with the fresh produce anticorrisive agent of embodiment 9a, except this antiseptic solution contains 4.0% ascorbic acid and 0.84% lithium carbonate.
Table 10: to the evaluation of the segment of cutting into slices with the celery of fresh produce anticorrisive agent preservation
Embodiment The 2nd day The 5th day The 8th day The 12nd day
Embodiment 9a ascorbic acid+barium chloride 10 10 8 7
Embodiment 9b ascorbic acid+strontium chloride 10 10 8 7
Embodiment 9c ascorbic acid+strontium carbonate 8.5 8 7 7
Embodiment 9d ascorbic acid+lithium chloride 10 9.5 6 6
Embodiment 9e ascorbic acid+lithium carbonate 7 6 5 4
Be untreated 9 8 6 5
Embodiment 10a
With the complete mushroom of 0.25% sodium carbonate liquor washing 30 seconds, remove dust, drain about 20-30 second then.Mushroom immersed in the fresh antiseptic solution contain 4.0% ascorbic acid and 0.63% lithium carbonate 30 seconds; Drained excess solution 2-3 minute.Then, the mushroom of handling is transferred in the porose plastic containers, placed paper bag, be stored in 2-5 ℃.For relatively, with containing 4.0% ascorbic acid and 0.8% sodium carbonate or containing 4.0% ascorbic acid and the complete mushroom of solution-treated of 0.6% NaOH.Mushroom compares with being untreated.The results are shown in Table 11.
Embodiment 10b
As the complete mushroom of preservation as described in the embodiment 10a, except this fresh produce antiseptic solution contains 4.0% ascorbic acid and 1.1% strontium carbonate.
Embodiment 10c
As the complete mushroom of preservation as described in the embodiment 10a, except this fresh produce antiseptic solution contains 4.0% ascorbic acid and 1.0% potash.
Embodiment 10d
As the complete mushroom of preservation as described in the embodiment 10a, except this fresh produce antiseptic solution contains 4.0% ascorbic acid and 0.8% potassium hydroxide.
Table 11: to the evaluation of the complete mushroom that preserves with the fresh produce anticorrisive agent
Embodiment The 2nd day The 5th day The 7th day The 9th day
Ascorbic acid+lithium carbonate 8 7 6 5
Ascorbic acid+strontium carbonate 9.5 7.5 7 7
Ascorbic acid+potash 9.5 8 8 7.5
Ascorbic acid+potassium hydroxide 9 6 6 6
Comparative solution ascorbic acid+sodium carbonate 9 8.5 8.5 7.5
Comparative solution ascorbic acid+NaOH 9 6 6 5
Untreated control 8 7 7 7
Embodiment 11a
Indefectible with water rinse or damage whole Bramley with containing liquor natrii hypochloritis's sterilization 2 minutes that 100ppm can utilize chlorine, is peeled, stoning and section then.Apple slice is immersed about 30-60 second in the fresh produce antiseptic solution that contains 5.12% ascorbic acid strontium; This fresh produce antiseptic solution contains 4.12% ascorbic acid and 1.79%Sr 2CO 3In eluriating trailing plants, drained apple 1 minute then.Apple flakes and trailing plants are put into 500 microns polybag (SunSct Packaging), be stored in 4 ℃, evaluated several times in 15 days.Removing the water of collecting in the polybag weighs.
For relatively, will put into one of several solution with the apple flakes of similar approach preparation, these solution contain: 4.3% ascorbic acid and 1.13% hydration MgCO 3, specifically be 4MgCO 3Mg (OH) 25H 2The O or the 5.0%w/w two hydration Calcium Ascorbate aqueous solution, pH7.2; The perhaps 5.3%w/w solution of 4.12% ascorbic acid and 1.17% calcium carbonate; Perhaps 6% ascorbic acid of pH2.3; Perhaps 48g ascorbic acid, 48g citric acid, 16g CaCl 2Be dissolved in the aqueous solution that 800g water forms, pH1.2 with 48g NaCl; Perhaps 6%w/w citric acid and 6%w/w ascorbic acid; Perhaps contain 4.13% ascorbic acid and 1.18%NaCO 34.64% sodium ascorbate.The results are shown in Table 12.
Embodiment 11b
Fresh produce anticorrisive agent with embodiment 11a is preserved Bramley, contains 4.3% ascorbic acid and 1.62%K except apple flakes is immersed 2CO 35.02% potassium ascorbate fresh produce antiseptic solution in.
Table 12: to the evaluation of the apple slice preserved with the fresh produce anticorrisive agent
Embodiment 4 hours 28 hours 52 hours 94 hours 191 hours 335 hours
Comparative solution
Ascorbic acid deliquescing brown (abandoning in 191 hours)
Quality consolidation consolidation overstrike soft (abandoning in 191 hours)
The water (gram) 6.78 5.34 4.19 2.94 2.63 that discharges
Citric acid/anti-some brown of bad blood is passed through some sections
Acid brown tissue
Quality is soft, soft as rubber, soft as rubber, soft as rubber, touch up soft as rubber
Water (gram) 10.00 9.00 9.81 8.97 7.46 6.85
The anti-bad haemal strand spare of two hydrations is good
Acid calcium
Quality consolidation consolidation consolidation consolidation consolidation
Water (gram) 6.84 5.88 5.56 4.00 2.67 1.33
4.12% ascorbic acid
With 1.17% calcium carbonate
Quality consolidation consolidation consolidation consolidation
Water (gram) 6.95 6.28 5.34 4.60 2.78 1.86
Embodiment 4a remains white
Quality is soft, soft as rubber, soft as rubber, soft as rubber, as the soft picture rubber of rubber
Water (gram) 18.04 25.94 28.52 31.92 39.04 34.71
Inner some the browning look of sodium ascorbate
Inner some browning of quality consolidation consolidation consolidation consolidation consolidation
Look, browning look place is soft
Water (gram) 6.58 6.74 6.67 4.87 4.08 3.77
The anti-good color of the good color of the good color of the good color of color of Magnesium ascorbate is good
Rotten agent
Quality consolidation consolidation consolidation consolidation consolidation and crisp
Water (gram) 6.54 7.07 6.43 4.75 3.73 2.17
Antiseptic solution
The whole section of potassium ascorbate becomes brown
Look
Anticorrisive agent quality consolidation consolidation consolidation consolidation is soft
Water (gram) 7.65 6.97 7.17 5.82 3.65 1.82
Ascorbic acid strontium inside does not have the browning look
The anticorrisive agent quality is the unusual unusual unusual unusual consolidation, crisp of consolidation of consolidation of consolidation of consolidation very
Water (gram) 7.96 4.99 9 3.98 3.07 2.08
* cut the contrast apple before estimating
Embodiment 12a
Fresh produce anticorrisive agent with embodiment 11a is preserved Bramley, except this antiseptic solution contains the ascorbic acid lithium.7.35 gram lithium carbonates and 35 gram ascorbic acid are added this ascorbic acid lithium solution of preparation in the 800 gram water.The pH of this antiseptic solution is 5.7.
For relatively, apple flakes is put into one of several comparative solution, these comparative solution are: contain the 5.0%w/w two hydration Calcium Ascorbate aqueous solution of 42.5 gram two hydration Calcium Ascorbates and 800 gram water, pH7; With 9.95 gram calcium carbonate and 35 gram ascorbic acid totally 44.94 grams contain 5.3%w/w ascorbic acid calcium solution, pH5.5 with the 800 gram water mixtures of joining; Comparative solution contains 48 gram ascorbic acid, 48 gram citric acids, 16 gram CaCl 2, 48 the gram NaCl and 800 the gram water, pH1.2; The sodium ascorbate comparative solution contains 28.45 gram sodium carbonate, 35 gram ascorbic acid, 800 gram water, pH6.8; The Calcium Ascorbate comparative solution contains 8.75 gram calcium carbonate, 35 gram ascorbic acid and 800 gram water; The Calcium Ascorbate comparative solution contains 9.95 gram calcium carbonate, 35 gram ascorbic acid and 765 gram water; The Magnesium ascorbate comparative solution contains 9.66 gram hydrocarbonate of magnesia 4MgCO 3Mg (OH) 25H 2O, 35 gram ascorbic acid, 765 gram water, pH6.4; And ascorbic acid zinc comparative solution contains 35 gram ascorbic acid, 12.74 gram zinc carbonates and 765 gram water, pH5.5.Estimated these apple flakes at the 5th day.The results are shown in Table 13.
Embodiment 12b
As preservation Bramley as described in the embodiment 12a, except antiseptic solution contains 13.74 gram potash, 35 gram ascorbic acid, 765 gram water, pH6.8 produces 5.2% ascorbic acid potassium solution.
Embodiment 12c
As preservation Bramley as described in the embodiment 12a, except antiseptic solution contains 14.68 gram strontium carbonates, 35 gram ascorbic acid, 765 gram water, pH5.3 produces 5.44% (w/w) ascorbic acid strontium solution.
Embodiment 12d
As preservation Bramley as described in the embodiment 4, except antiseptic solution contains 3% (w/v) ascorbic acid barium.19.62 gram brium carbonates and 35 gram ascorbic acid are added this ascorbic acid barium solution of preparation in the 765 gram water, pH5.8.
Table 13: the evaluation to the apple slice of usefulness fresh produce anticorrisive agent preservation in the 5th day
Embodiment Color Quality The water (gram) that discharges
Comparative solution
Citric acid/ascorbic acid
Two hydration ascorbic acid calcium solutions White Unusual consolidation Loss is minimum
Calcium carbonate and ascorbic acid solution White Unusual consolidation Loss is minimum
Ascorbic acid, citric acid, CaC1 2, NaCl solution
Sodium ascorbate White Consolidation Loss is minimum
Ascorbic acid zinc Brown Very soft Loss is minimum
Magnesium ascorbate White Unusual consolidation Loss is minimum
Antiseptic solution
Embodiment 12b potassium ascorbate White Consolidation Loss is minimum
Embodiment 12c ascorbic acid strontium White Unusual consolidation Loss is minimum
Embodiment 12d ascorbic acid barium White Unusual consolidation Loss is minimum
Embodiment 12a ascorbic acid lithium Brown Soft Loss is minimum
Embodiment 13
Wash celery with running water, remove dust and earth, javelwater's (chlorinated water) sterilization of usefulness 100-150ppm 1 minute drained excessive chlorinated water 2-3 minute.Then celery is cut into about 3 inches long, that the 0.25-0.30 inch is wide segments, the chlorinated water sterilization of usefulness 100ppm 1 minute drained 2-3 minute then.The celery segment immersed in the antiseptic solution contain 4% ascorbic acid and 1.0% potassium chloride 2-3 minute.Drained the celery segment handled 2-3 minute, and be packaged in the Polythene Bag, this bag of heated sealant is stored in 2-5 ℃ then.For relatively, with the solution-treated celery segment that contains 4% ascorbic acid and 1.0% sodium chloride or 4% ascorbic acid and 1% calcium chloride.The results are shown in Table 14.
Table 14: to the evaluation of the segment of cutting into slices with the celery of fresh produce anticorrisive agent preservation
Embodiment The 5th day observed result The 7th day observed result The 11st day observed result The 15th day observed result
Embodiment 13 ascorbic acid+potassium chloride 10 9.5 9 6
Comparative solution ascorbic acid+sodium chloride 9 8 8 6
Comparative solution ascorbic acid+calcium chloride 10 10 9.5 6
Be untreated 5 4 4 4
Embodiment 14a
With running water rinsing snake fruit, with liquor natrii hypochloritis's sterilization of 100ppm, stoning, section.Apple flakes was immersed in the water 1/2-2 minute.Then apple flakes is immersed 3% ascorbic acid and 0.8%NH 4In the Cl solution 1 minute.In order to contrast, adopt the apple flakes that is untreated apple flakes and handles with 3% ascorbic acid or 2% ascorbic acid.Take out apple and drained 1-2 minute, be sealed in the 2 mil Polythene Bags, be stored in 2-5 ℃.The results are shown in Table 15.
Embodiment 14b
Preserve the snake fruit with the fresh produce anticorrisive agent of embodiment 14a, except this antiseptic solution contains 2.0% ascorbic acid and 0.8%NH 4Cl.
Embodiment 14c
Preserve the snake fruit with the fresh produce anticorrisive agent of embodiment 14a, except this antiseptic solution contains 3.0% ascorbic acid and 0.5% (NH 4) 2CO 3
Embodiment 14d
Preserve the snake fruit with the fresh produce anticorrisive agent of embodiment 14a, except this antiseptic solution contains 2.0% ascorbic acid and 0.5% (NH 4) 2CO 3
Table 15: to the evaluation of really cutting into slices with the snake of fresh produce anticorrisive agent preservation
Embodiment 1 hour 24 hours The 3rd day The 4th day The 5th day The 6th day
Untreated control 6 4.67 4 4 4 4
The contrast of 3% ascorbic acid 10 6 6 4 4 4
The contrast of 2% ascorbic acid 10 5.33 5 6 6 6
3% ascorbic acid 0.8%NH 4Cl 10 10 10 10 10 10
2% ascorbic acid 0.8%NH 4Cl 10 10 8.33 8 7 7
3% ascorbic acid, 0.5% (NH 4) 2CO 3 10 9.67 9.5 9.5 9.5 9.5
2% ascorbic acid, 0.5% (NH 4) 2CO 3 10 9.5 9.5 9.5 9.5 9.5
Embodiment 15a
Preserve the snake fruit with the fresh produce anticorrisive agent of embodiment 14a, except this antiseptic solution contains 3.0% ascorbic acid and 0.8%CuSO 4The results are shown in Table 16.
Embodiment 15b
Preserve the snake fruit with the fresh produce anticorrisive agent of embodiment 15a, except this antiseptic solution contains 2.0% ascorbic acid and 0.8%NH 4Cl.
Table 16: to the evaluation of really cutting into slices with the snake of fresh produce anticorrisive agent preservation
Embodiment 1 hour 24 hours The 3rd day
Untreated control 6 4 4
The contrast of 3% ascorbic acid 10 6 6
The contrast of 2% ascorbic acid 10 5 5
3% ascorbic acid+0.8% CuSO 4 10 9 6
2% ascorbic acid+0.8% CuSO 4 10 8 6
Embodiment 16a
Preserve fresh russet potato section with the fresh produce anticorrisive agent of embodiment 7a, except this antiseptic solution contains 4.0% ascorbic acid and 2.74%AlCl 36H 2O.The section of being untreated is adopted in contrast.The results are shown in Table 17.
Embodiment 16b
Preserve fresh russet potato section with the fresh produce anticorrisive agent of embodiment 16a, except this antiseptic solution contains 4.0% ascorbic acid and 1.82%AlCl 36H 2O.
Embodiment 16c
Preserve fresh russet potato section with the fresh produce anticorrisive agent of embodiment 16a, except this antiseptic solution contains 4.0% ascorbic acid and 3.43%AlNH 4(SO 4) 212H 2O.
Table 17: to the evaluation of cutting into slices with the fresh russet potato of fresh produce anticorrisive agent preservation
Embodiment The 2nd day The 4th day The 7th day The 9th day The 14th day The 16th day
Embodiment 16a 4.0% ascorbic acid+2.74%AlCl 36H 2O. 10 10 10 9.75 9.75 9.5
Embodiment 16b 4.0% ascorbic acid+1.82%AlCl 36H 2O 10 10 10 10 9.75 9.25
Embodiment 16c 4.0% ascorbic acid+3.43%AlNH 4(SO 4) 212H 2O 10 10 10 9 8 8
Untreated control 5 4 3 3 3 3

Claims (29)

1. method of preserving fresh produce, described method comprises:
Use the antiseptic solution that pH is 2-8 to described agricultural product, the agricultural product that get of reservoir then, described anticorrisive agent comprises at least a anti-corrosive properties cation that is selected from down group: strontium ion, lithium ion, barium ions, aluminium ion, copper ion, ammonium ion, iron ion, potassium ion and manganese ion; At least a anti-corrosive properties anion that is selected from down group: ascorbic acid radical ion and arabo-ascorbic acid radical ion; And water; Wherein, the described anti-corrosive properties anion of existence and the cationic ion ratio of anti-corrosive properties are 0.2: 1 to 8: 1.
2. the method for claim 1 is characterized in that, described antiseptic solution contains the sodium ion that is not more than 5 weight %, in the total amount of the composition in the described antiseptic solution that does not comprise water.
3. method as claimed in claim 2, it is characterized in that, described antiseptic solution contains sodium ion, the metal ion chelation agent that is not more than 5 weight % that is not more than 5 weight %, the acid ion except that ascorbic acid radical ion and arabo-ascorbic acid radical ion that is not more than 20 weight %, the emulsifying agent that is not more than the sulfite ion of 5 weight % and is not more than about 5 weight %, in the total amount of the composition in the described antiseptic solution that does not comprise water.
4. method as claimed in claim 3, it is characterized in that, described antiseptic solution contains sodium ion, the metal ion chelation agent that is not more than 2 weight % that is not more than 1 weight %, the acid ion except that ascorbic acid radical ion and arabo-ascorbic acid radical ion that is not more than 10 weight %, the emulsifying agent that is not more than the sulfite ion of 2 weight % and is not more than 2 weight %, in the total amount of the composition in the described antiseptic solution that does not comprise water.
5. method as claimed in claim 2 is characterized in that described antiseptic solution contains the emulsifying agent that is not more than 0.5 weight %, in the total amount of the composition in the described antiseptic solution that does not comprise water.
6. the method for claim 1 is characterized in that, described antiseptic solution contains the emulsifying agent that is not more than 0.5 weight %, in the total amount of the composition in the described antiseptic solution that does not comprise water.
7. the method for claim 1, it is characterized in that, the acid ion except that ascorbic acid radical ion and arabo-ascorbic acid radical ion that described antiseptic solution contains the emulsifying agent that is not more than 2 weight % and is not more than 10 weight % is in the total amount of the composition in the described antiseptic solution that does not comprise water.
8. the method for claim 1 is characterized in that, described agricultural product were stored at least one day.
9. method as claimed in claim 8 is characterized in that, described agricultural product are stored in 2-4 mil Polythene Bag, polystyrene " clam shell " packing or the multi-layer polyolefin bag.
10. method as claimed in claim 9 is characterized in that described agricultural product are stored at least one week.
11. the method for claim 1 is characterized in that, with before described anticorrisive agent contacts, described agricultural product is carried out disinfection, to reduce its lip-deep microorganism.
12. method as claimed in claim 11 is characterized in that, by contacting with aqueous sodium hypochlorite solution described agricultural product is carried out disinfection.
13. the method for claim 1 is characterized in that, described anti-corrosive properties anion and the cationic ion ratio of anti-corrosive properties are 1: 1 to 4: 1.
14. method as claimed in claim 13 is characterized in that, described anti-corrosive properties anion and the cationic ion ratio of anti-corrosive properties are 1.1: 1 to 2.5: 1.
15. method as claimed in claim 13 is characterized in that, described antiseptic solution contains the anti-corrosive properties cation of 0.2-10 weight % and the anti-corrosive properties anion of 0.5-15 weight %, in the total amount of the composition in the described antiseptic solution that does not comprise water.
16. the method for claim 1 is characterized in that, described antiseptic solution contains the anti-corrosive properties cation of 0.2-10 weight % and the anti-corrosive properties anion of 0.5-15 weight %, in the total amount of the composition in the described antiseptic solution that does not comprise water.
17. the method for claim 1 is characterized in that, described antiseptic solution contains citric acid or the citrate ion below 0.5%, and 0.5% following malic acid and malate ion.
18., it is characterized in that described anti-corrosive properties anion and the cationic ion ratio of anti-corrosive properties are 1: 1 to 4: 1, and described anti-corrosive properties cation is an iron ion as claim 1,2 or 3 described methods.
19., it is characterized in that described anti-corrosive properties anion and the cationic ion ratio of anti-corrosive properties are 1: 1 to 4: 1, and described anti-corrosive properties cation is a manganese ion as claim 1,2 or 3 described methods.
20., it is characterized in that described anti-corrosive properties anion and the cationic ion ratio of anti-corrosive properties are 1: 1 to 4: 1, and described anti-corrosive properties cation is an aluminium ion as claim 1,2 or 3 described methods.
21., it is characterized in that described anti-corrosive properties anion and the cationic ion ratio of anti-corrosive properties are 1: 1 to 4: 1, and described anti-corrosive properties cation is a copper ion as claim 1,2 or 3 described methods.
22., it is characterized in that described anti-corrosive properties anion and the cationic ion ratio of anti-corrosive properties are 1: 1 to 4: 1, and described anti-corrosive properties cation is an ammonium ion as claim 1,2 or 3 described methods.
23., it is characterized in that described anti-corrosive properties anion and the cationic ion ratio of anti-corrosive properties are 1: 1 to 4: 1, and described anti-corrosive properties cation is a lithium ion as claim 1,2 or 3 described methods.
24., it is characterized in that described antiseptic solution contains as claim 1,2 or 3 described methods:
The anti-corrosive properties cation of 0.1%-30%; With
The anti-corrosive properties anion of 0.1%-40%;
Wherein, the anti-corrosive properties anion of existence and the cationic mol ratio of anti-corrosive properties are 1: 1 to 4: 1.
25., it is characterized in that described anticorrisive agent contains film forming agent, lactic acid and the cysteine below 5% as claim 1,2 or 3 described methods.
26., it is characterized in that described antiseptic solution contains as claim 1,2 or 3 described methods:
The anti-corrosive properties cation of 0.1%-10%,
The anti-corrosive properties anion of 0.5%-15%;
Wherein, the anti-corrosive properties anion of existence and the cationic mol ratio of anti-corrosive properties are 1.5: 1 to 3: 1, and described agricultural product are members of Solanaceae, Amaryllidaceae, Cruciferae, Curcurbitaceae, sac fungus/basidiomycetes or fruit tree.
27., it is characterized in that as claim 1,2 or 3 described methods:
Described antiseptic solution contains the anti-corrosive properties anion of 0.2%-3% anti-corrosive properties cation and 1%-5%;
Described agricultural product are selected from pepper, onion, tomato, cucumber, mushroom, celery, potato, lettuce, apple, pears, avocado and composition thereof;
Cut described agricultural product and
Must not carry out the agricultural product that cut freezing, dry, boil or tinning.
28. the method for claim 1 is characterized in that: the pH of described antiseptic solution is 3-7.5.
29. the fruit or the vegetables of the incision of preserving with claim 1,2 or 3 method.
CN200480027674A 2003-08-28 2004-08-25 Methods for preserving fresh produce Expired - Fee Related CN100589723C (en)

Applications Claiming Priority (4)

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US9668494B2 (en) * 2014-10-24 2017-06-06 FONA International Inc. Preserved cut fresh produce with true-to-nature flavor
EP3349589B1 (en) 2015-09-16 2022-12-14 Apeel Technology, Inc. Method for forming a protective coating by applying fatty acid glyceride compounds to a surface
WO2019036686A1 (en) * 2017-08-17 2019-02-21 Apeel Technology, Inc. Prevention of postharvest physiological deterioration using sulfur-donating compounds
CN109944628B (en) * 2019-03-26 2020-05-26 山东科技大学 Mine high-molecular spray dust-settling agent, preparation method and application thereof
MX2022010392A (en) 2020-03-04 2022-09-05 Apeel Tech Inc Coated agricultural products and corresponding methods.
EP4237400A1 (en) 2020-10-30 2023-09-06 Apeel Technology, Inc. Compositions and methods of preparation thereof

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