CN108112690A - A kind of surface spraying agent for extending fruit shelf life - Google Patents
A kind of surface spraying agent for extending fruit shelf life Download PDFInfo
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- CN108112690A CN108112690A CN201711469054.2A CN201711469054A CN108112690A CN 108112690 A CN108112690 A CN 108112690A CN 201711469054 A CN201711469054 A CN 201711469054A CN 108112690 A CN108112690 A CN 108112690A
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- 238000005507 spraying Methods 0.000 title claims abstract description 30
- 235000015510 Cucumis melo subsp melo Nutrition 0.000 claims abstract description 69
- FJJCIZWZNKZHII-UHFFFAOYSA-N [4,6-bis(cyanoamino)-1,3,5-triazin-2-yl]cyanamide Chemical compound N#CNC1=NC(NC#N)=NC(NC#N)=N1 FJJCIZWZNKZHII-UHFFFAOYSA-N 0.000 claims abstract description 69
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Classifications
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23B—PRESERVING, e.g. BY CANNING, MEAT, FISH, EGGS, FRUIT, VEGETABLES, EDIBLE SEEDS; CHEMICAL RIPENING OF FRUIT OR VEGETABLES; THE PRESERVED, RIPENED, OR CANNED PRODUCTS
- A23B7/00—Preservation or chemical ripening of fruit or vegetables
- A23B7/16—Coating with a protective layer; Compositions or apparatus therefor
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23V—INDEXING SCHEME RELATING TO FOODS, FOODSTUFFS OR NON-ALCOHOLIC BEVERAGES AND LACTIC OR PROPIONIC ACID BACTERIA USED IN FOODSTUFFS OR FOOD PREPARATION
- A23V2002/00—Food compositions, function of food ingredients or processes for food or foodstuffs
Landscapes
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Wood Science & Technology (AREA)
- Zoology (AREA)
- Food Science & Technology (AREA)
- Polymers & Plastics (AREA)
- Cosmetics (AREA)
Abstract
A kind of surface spraying agent for extending fruit shelf life, the spray liniment are made of the raw material of following parts by weight：Melon vine, which is macerated, takes 46 parts of object, 0.5 0.8 parts of sodium Diacetate, 23 parts of wax gourd bark extract, 57 parts of natural gum, 10 20 parts of 34 parts of gelatin and mixed extract.A kind of surface spraying agent for being exclusively used in extending fruit shelf freshness date of the present invention, has preferable glazing, glossy effect after use, and has both expelling parasite, sterilization, fresh-keeping and other effects, and ingredient is natural, non-toxic, and healthy and safe property is high.
Description
Technical field
It is specifically a kind of effectively to be extended using prepared by biological agent the present invention relates to fruit freshness preserving technical field
The pure natural surface spraying agent of fruit shelf life.
Background technology
Fresh fruit is easily putrid and deteriorated during picking, storage, processing, sale, causes the huge wasting of resources
And economic loss.While rotting to lose, pathogenic microorganism can also generate a large amount of toxin, jeopardize people's health.According to incomplete
Statistics, there are about 10% ~ 20% fresh fruits to cause to rot due to microorganism for developed country, this ratio of developing country is then high
Up to 40% ~ 50%.Perishable about 1.16 hundred million tons of the characteristic fruit yield of China, loses about 25% ~ 30%, economic loss about 70,000,000,000 after adopting
Member.Therefore it is both needed to inhibit the growth of microorganism and breeding using antimicrobial antistaling agent in fruit storage and during selling, extends
The freshness date of fruit prevents that its is putrid and deteriorated.
At present, the fresh-keeping mode that the prior art uses in fruit progress warehouse storage and shelf preservation process is main
There are following three kinds：1st, the mode of housing plastic film.Although this mode has fruit is avoided excessively to be contacted with the external world, prevent fruit
Product are by extraneous Bacteria destroyed, the advantages that fruit itself moisture is kept to not easily run off, but it can cause the huge wasting of resources and ring
Border is destroyed, and during the shelf of fruit are sold, since outer packing will remove, and protection that fruit will cannot continue, easily
Dehydration is gone bad.2nd, the outer mode for applying fruit wax.The fruit that this mode obtains after handling, condition is good, has glossy gloss, can rise
To water lock, fresh-keeping effect.But fruit wax itself is expensive, and processing cost is high, and on the market using in more artificial fruit wax
Doped with more industrial chemistry ingredient, its internal chemical ingredient and pericarp surface farm chemical ingredients are easily caused after coating in fruit
The infiltration in portion is unfavorable for the health of human body.3rd, the outer mode for applying chemical preservative.Progress and detection method with science and technology
Constantly improve, some it is considered that safety chemical preservation antistaling agent there are cancer or potential carcinogenic, teratogenesis, mutagenic wind
Danger, it is larger to the injury of human body.
Therefore, developmental research one kind is safe and nontoxic, efficient, natural, and the fresh-keeping spraying of the good fruit shelf of using effect
Agent, for the fresh-keeping of fruit and for selling it is actually necessary.
The content of the invention
The technical problems to be solved by the invention are：A kind of surface spraying for being exclusively used in extending fruit shelf freshness date is provided
Agent has preferable glazing, glossy effect after use, and has both expelling parasite, sterilization, fresh-keeping and other effects, and ingredient is natural, nontoxic
Property, healthy and safe property is high.
The present invention is in order to solve the above technical problems, used technical solution is：A kind of table for extending fruit shelf life
Face spray liniment, the spray liniment are made of the raw material of following parts by weight：Melon vine, which is macerated, takes 4-6 parts of object, sodium Diacetate 0.5-0.8
Part, 2-3 parts of wax gourd bark extract is 5-7 parts gummy, 10-20 parts of 3-4 parts of gelatin and mixed extract；
The preparation method of the surface spraying agent comprises the following steps：
（1）Melon vine macerates the preparation for taking object
After autumn withered melon vine is taken to be placed in NaOH solution impregnate 3-5 days, after taking out clean dry, being cut into length is
The segment of 0.3-0.5cm obtains melon vine powder, afterwards, gained melon vine powder is placed in enzymolysis container, and adds in melon thereto
The water and the cellulase of melon vine powder quality 1%-1.5% and the pectase of 0.6%-0.9% of 3-5 times of rattan powder quality, fully
After mixing, enzymolysis processing 15-25h is carried out under the conditions of 20 ~ 25 DEG C, is carried out during the enzymolysis processing at interval of 30-50min
Supersonic oscillations processing, afterwards, is filtered gained enzymolysis product and destroy the enzyme treatment macerates to get melon vine and takes object, spare；
（2）The preparation of wax gourd bark extract
Fresh waxgourd peel is taken to clean and after cool solid carbon dioxide point, be placed in crusher and be broken into slurries, afterwards, press gained slurry
Squeezing, filtering and discoloration processing, obtain liquid wax gourd bark extract, spare；
（3）The preparation of mixed extract
Step 1: according to mock-strawberry：Desmodium：Setose thistle：Fructus Forsythiae is（0.5-1）：（2-3）：（1-3）：2 weight proportion, takes respectively
Fresh mock-strawberry, desmodium, setose thistle and Fructus Forsythiae cleaning, cool solid carbon dioxide, it is spare；
Step 2: Fructus Forsythiae made from step 1 and setose thistle is taken to be put into crusher and be broken into slurry, afterwards, add into gained slurry
The ethanol solution for entering 10-20 times of its quality carries out immersion 30-40min, afterwards, refluxing extraction is carried out under ultrasonic wave subsidiary conditions
1-2h takes the fraction between 55-90 DEG C, obtains plant component A, spare；
Step 3: taking mock-strawberry made from step 1 and desmodium, tedded under sunlight to its water content after 20%-25%, to be cut into
Grain size is the fragment of 0.4-0.8cm, afterwards, fragment is placed in progress immersion treatment 1-2h in treatment fluid, is put into after taking-up broken
Slurry is broken into machine, then, the ethanol solution of 1.2-1.5 times of its quality is added in thereto, after being thoroughly mixed, to gained
Product squeezed, is filtered and discoloration processing, obtains plant component B, spare；
Step 4: plant component A made from step 2 and step 3 and plant component B are mixed to get mixed extract,
It is spare；
（4）The preparation of spray liniment
Step 1）, according to above-mentioned parts by weight, weigh melon vine prepared by sodium Diacetate, gelatin, natural gum and above-mentioned steps respectively
It macerates and takes object, wax gourd bark extract and mixed extract, it is spare；
Step 2）, by step 1）The sodium Diacetate weighed is added in mixed extract, spare after being thoroughly mixed；
Step 3）, take step 1）The natural gum weighed, and 60-70 DEG C is heated to, afterwards, step 1 is added in thereto）It weighs
Wax gourd bark extract after the two is sufficiently mixed, under constant agitation, then adds in step 1 thereto）The melon vine weighed is macerated
Object is taken, after mixing, progress repeated ultrasonic is disperseed and stewing process, afterwards, adds in step 1 thereto）The gelatin weighed mixes
To get finished product spray liniment after closing uniformly.
Further, in the mixed extract, the weight proportion of each raw material is mock-strawberry：Desmodium：Setose thistle：Fructus Forsythiae is
0.8：1.4：2：2.
Further, in melon vine is macerated and takes the preparation process of object, the mass concentration of the NaOH solution is 5%-10%.
Further, in melon vine is macerated and takes the preparation process of object, the power of each supersonic oscillations processing is 150-
200KHz, processing time are 25-35 s.
Further, in step 2 and step 3, the mass concentration of the ethanol solution is 97%.
Further, in step 3, in the treatment fluid mass concentration of Vc be 0.08-0.13%, the quality of NaOH
Concentration is 8%-12%.
The surface spraying agent of the present invention directly can spray or be immersed in when in use the surface of fruit.
Advantageous effect：
（1）, a kind of fruit surface spraying agent for preparing of the present invention, ingredient is natural, has no toxic side effect.Melon in its material composition
Rattan, which is macerated, to be taken containing abundant free shape capillary fiber in object, the curtain coating that can pave on the surface of pericarp, as other expelling parasites, it is antibacterial,
The attachment carrier of the functions component such as glazing, so as to greatest extent reduce fruit surface coating film thickness, and promote it is medicinal into
Divide and come into full contact with fruit surface or the external world, play extensive antibacterial, fresh-keeping effect.Contain abundant table in wax gourd bark extract
Skin oily substance is extracted by squeezing, and this oily substance has obtained a degree of enrichment, dispersible to spray liniment, with tree
The fruit surface that glue coordinated functions similarly to fruit wax wraps preservation.Biomass is medicinal there are many containing in mixed extract
Ingredient, with excellent antibacterial, sterilization and anthelmintic action, it can be achieved that expelling parasite, sterilization function after fruit coating.In spray liniment
Each component coordinated, collective effect can be attached to fruit surface, form the fresh-keeping separation layer of biomass, effectively avoid external
Pollutant and the immersion of bacterium, inhibit the aerobic respiration of fruit, so as to play preferable antibacterial, fresh-keeping and bacteriostasis, extend
The fresh-keeping of fruit, storage and shelf life, healthy and safe property is high, sells lover.
（2）, contain in surface spraying agent provided by the invention there are many antibacterial, oxidation resistant active bio matter ingredient, expelling parasite,
Good antimicrobial effect.The traditional Chinese medicine ingredients such as mock-strawberry, desmodium, setose thistle and Fructus Forsythiae in Compositional type spray liniment and containing there are many saponin(e,
The wax gourd bark extract of glossy property oil cures, through gelatin and natural gum gelling after homogenous disperse, uniformly paves in the table of fruit
Face, finished product is natural, asepsis environment-protecting, with pericarp good biocompatibility.Safe compared with chemical preservative, stability is good,
Meet the safe and healthy fruit fresh-keeping additive needs of modern.And with preferable antibacterial, sterilization and anthelmintic action, safety
Good, the anti-bacterial refreshing significant effect of property.
（3）Surface spraying agent provided by the invention be by unique preparation process, what retrofit obtained.Preparation process
Itself is easy to operate, and process conditions are mild, and medicinal ingredient utilization rate is high.It is maximum for the extraction operation of traditional Chinese medicine ingredients multi-step
The effective pharmaceutical component remained in mock-strawberry, desmodium, setose thistle and Fructus Forsythiae of limit avoids it and destroys and be lost in.In melon vine
It macerates and takes in the preparation process of object, by carrying out the steps such as caustic soda immersion, cleaning removal of impurities, mechanical cutting, enzymolysis processing to withered melon vine
Suddenly.It can make to obtain a degree of segmentation and decomposition containing the abundant coarse-fibred melon vine of toughness, be changed into the transparence of free matter
Tiny arteries and veins fine fibre ingredient, thus when being compounded for spray liniment, the glossy ingredient of colloids and mock-strawberry, the gold such as natural gum, wax gourd extract
Medicinal ingredient in the traditional Chinese medicine ingredients such as money grass, setose thistle and Fructus Forsythiae provides the carrier of attachment, and then makes function component equal in planar
Even distribution, contacts to greatest extent with pericarp or the external world, plays extensive fungistatic effect.Meanwhile reduce making for the substances such as natural gum
Dosage, and play wax-like glazing, Water-saving effect.
Specific embodiment
With reference to specific embodiment, the present invention is furture elucidated.Following embodiment is interpreted as being merely to illustrate this hair
It is bright rather than limit the scope of the invention.After the content of the invention recorded has been read, those skilled in the art can be with
Various modifications or change are done to the present invention, these equivalence changes and modification equally fall into the model that the claims in the present invention are limited
It encloses.
A kind of surface spraying agent for extending fruit shelf life, the spray liniment by following parts by weight raw material group
Into：Melon vine, which is macerated, takes 4-6 parts of object, and 0.5-0.8 parts of sodium Diacetate, 2-3 parts of wax gourd bark extract is 5-7 parts gummy, 3-4 parts of gelatin and
10-20 parts of mixed extract；
The preparation method of the surface spraying agent comprises the following steps：
（1）Melon vine macerates the preparation for taking object
After autumn withered melon vine is taken to be placed in NaOH solution impregnate 3-5 days, after taking out clean dry, being cut into length is
The segment of 0.3-0.5cm obtains melon vine powder, afterwards, gained melon vine powder is placed in enzymolysis container, and adds in melon thereto
The water and the cellulase of melon vine powder quality 1%-1.5% and the pectase of 0.6%-0.9% of 3-5 times of rattan powder quality, fully
After mixing, enzymolysis processing 15-25h is carried out under the conditions of 20 ~ 25 DEG C, is carried out during the enzymolysis processing at interval of 30-50min
Supersonic oscillations processing, afterwards, is filtered gained enzymolysis product and destroy the enzyme treatment macerates to get melon vine and takes object, spare；
（2）The preparation of wax gourd bark extract
Fresh waxgourd peel is taken to clean and after cool solid carbon dioxide point, be placed in crusher and be broken into slurries, afterwards, press gained slurry
Squeezing, filtering and discoloration processing, obtain liquid wax gourd bark extract, spare；
（3）The preparation of mixed extract
Step 1: according to mock-strawberry：Desmodium：Setose thistle：Fructus Forsythiae is（0.5-1）：（2-3）：（1-3）：2 weight proportion, takes respectively
Fresh mock-strawberry, desmodium, setose thistle and Fructus Forsythiae cleaning, cool solid carbon dioxide, it is spare；
Step 2: Fructus Forsythiae made from step 1 and setose thistle is taken to be put into crusher and be broken into slurry, afterwards, add into gained slurry
The ethanol solution for entering 10-20 times of its quality carries out immersion 30-40min, afterwards, refluxing extraction is carried out under ultrasonic wave subsidiary conditions
1-2h takes the fraction between 55-90 DEG C, obtains plant component A, spare；
Step 3: taking mock-strawberry made from step 1 and desmodium, tedded under sunlight to its water content after 20%-25%, to be cut into
Grain size is the fragment of 0.4-0.8cm, afterwards, fragment is placed in progress immersion treatment 1-2h in treatment fluid, is put into after taking-up broken
Slurry is broken into machine, then, the ethanol solution of 1.2-1.5 times of its quality is added in thereto, after being thoroughly mixed, to gained
Product squeezed, is filtered and discoloration processing, obtains plant component B, spare；
Step 4: plant component A made from step 2 and step 3 and plant component B are mixed to get mixed extract,
It is spare；
（4）The preparation of spray liniment
Step 1）, according to above-mentioned parts by weight, weigh melon vine prepared by sodium Diacetate, gelatin, natural gum and above-mentioned steps respectively
It macerates and takes object, wax gourd bark extract and mixed extract, it is spare；
Step 2）, by step 1）The sodium Diacetate weighed is added in mixed extract, spare after being thoroughly mixed；
Step 3）, take step 1）The natural gum weighed, and 60-70 DEG C is heated to, afterwards, step 1 is added in thereto）It weighs
Wax gourd bark extract after the two is sufficiently mixed, under constant agitation, then adds in step 1 thereto）The melon vine weighed is macerated
Object is taken, after mixing, progress repeated ultrasonic is disperseed and stewing process, afterwards, adds in step 1 thereto）The gelatin weighed mixes
To get finished product spray liniment after closing uniformly.
The melon vine can be the plant roots and stems components containing multifilament such as cushaw stem, watermelon vine or Chinese waxgourd stem.
Further, in the mixed extract, the weight proportion of each raw material is mock-strawberry：Desmodium：Setose thistle：Fructus Forsythiae is
0.8：1.4：2：2.
Further, in melon vine is macerated and takes the preparation process of object, the mass concentration of the NaOH solution is 5%-10%.
Further, in melon vine is macerated and takes the preparation process of object, the power of each supersonic oscillations processing is 150-
200KHz, processing time are 25-35 s.
Further, in step 2 and step 3, the mass concentration of the ethanol solution is 97%.
Further, in step 3, in the treatment fluid mass concentration of Vc be 0.08-0.13%, the quality of NaOH
Concentration is 8%-12%.
The surface spraying agent of the present invention directly can spray or be immersed in when in use the surface of fruit.
Embodiment 1
A kind of surface spraying agent for extending fruit shelf life, the spray liniment are made of the raw material of following parts by weight：Melon
Rattan, which is macerated, takes 5 parts of object, 0.7 part of sodium Diacetate, 2.5 parts of wax gourd bark extract, 6 parts of natural gum, 3.5 parts of gelatin and mixed extract 15
Part；
The preparation method of the surface spraying agent comprises the following steps：
（1）Melon vine macerates the preparation for taking object
After autumn withered watermelon vine is taken to be placed in the NaOH solution that mass concentration is 8% impregnate 4 days, after taking out clean dry,
Be cut into length be 0.4cm segment, obtain melon vine powder, afterwards, by gained melon vine powder be placed in enzymolysis container in, and to its
The cellulase and 0.7% pectase of the middle water and melon vine powder quality 1.2% for adding in 4 times of melon vine powder quality, it is fully mixed
After even, enzymolysis processing 20h is carried out under the conditions of 23 DEG C, the enzymolysis processing carries out a ultrasonic wave at interval of 40min in the process
Oscillation treatment, the power of each supersonic oscillations processing is 180KHz, processing time 30s, afterwards, gained is digested and is produced
Object, which is filtered to macerate to get melon vine with destroy the enzyme treatment, takes object, spare；
（2）The preparation of wax gourd bark extract
Fresh waxgourd peel is taken to clean and after cool solid carbon dioxide point, be placed in crusher and be broken into slurries, afterwards, press gained slurry
Squeezing, filtering and discoloration processing, obtain liquid wax gourd bark extract, spare；
（3）The preparation of mixed extract
Step 1: according to mock-strawberry：Desmodium：Setose thistle：Fructus Forsythiae is 0.8：1.4：2：2 weight proportion takes fresh mock-strawberry, gold respectively
Money grass, setose thistle and Fructus Forsythiae cleaning, cool solid carbon dioxide, it is spare；
Step 2: Fructus Forsythiae made from step 1 and setose thistle is taken to be put into crusher and be broken into slurry, afterwards, add into gained slurry
The ethanol solution for entering 15 times of its quality carries out immersion 35min, afterwards, refluxing extraction 1.5h is carried out under ultrasonic wave subsidiary conditions,
The fraction between 55-90 DEG C is taken, obtains plant component A, it is spare；
Step 3: take mock-strawberry made from step 1 and desmodium, tedded under sunlight to its water content after 23%, to be cut into grain size
For the fragment of 0.5cm, afterwards, it is in 10% treatment fluid that fragment is placed in the mass concentration that the mass concentration of Vc is 0.1%, NaOH
Immersion treatment 1.5h is carried out, is put into after taking-up in crusher and is broken into slurry, then, add in the second of 1.4 times of its quality thereto
Alcoholic solution after being thoroughly mixed, squeezes products therefrom, is filtered and discoloration processing, obtains plant component B, spare；
Step 4: plant component A made from step 2 and step 3 and plant component B are mixed to get mixed extract,
It is spare；
（4）The preparation of spray liniment
Step 1）, according to above-mentioned parts by weight, weigh melon vine prepared by sodium Diacetate, gelatin, natural gum and above-mentioned steps respectively
It macerates and takes object, wax gourd bark extract and mixed extract, it is spare；
Step 2）, by step 1）The sodium Diacetate weighed is added in mixed extract, spare after being thoroughly mixed；
Step 3）, take step 1）The natural gum weighed, and 65 DEG C are heated to, afterwards, step 1 is added in thereto）The winter weighed
Melon skin extract after the two is sufficiently mixed, under constant agitation, then adds in step 1 thereto）The melon vine weighed, which is macerated, to be taken
Object, after mixing, progress repeated ultrasonic is disperseed and stewing process, afterwards, adds in step 1 thereto）The gelatin weighed, mixing
To get finished product spray liniment after uniformly.
Embodiment 2
A kind of surface spraying agent for extending fruit shelf life, the spray liniment are made of the raw material of following parts by weight：Melon
Rattan, which is macerated, takes 4 parts of object, 0.8 part of sodium Diacetate, 3 parts of wax gourd bark extract, 5 parts of natural gum, 20 parts of 4 parts of gelatin and mixed extract；
The preparation method of the surface spraying agent comprises the following steps：
（1）Melon vine macerates the preparation for taking object
After autumn withered cushaw stem is taken to be placed in the NaOH solution that mass concentration is 5% impregnate 5 days, after taking out clean dry,
Be cut into length be 0.5cm segment, obtain melon vine powder, afterwards, by gained melon vine powder be placed in enzymolysis container in, and to its
The cellulase and 0.9% pectase of the middle water and melon vine powder quality 1.5% for adding in 5 times of melon vine powder quality, it is fully mixed
After even, enzymolysis processing 15h is carried out under the conditions of 25 DEG C, the enzymolysis processing carries out a ultrasonic wave at interval of 30min in the process
Oscillation treatment, the power of each supersonic oscillations processing is 150KHz, and processing time is 25 s, and afterwards, gained is digested
Product, which is filtered to macerate to get melon vine with destroy the enzyme treatment, takes object, spare；
（2）The preparation of wax gourd bark extract
Fresh waxgourd peel is taken to clean and after cool solid carbon dioxide point, be placed in crusher and be broken into slurries, afterwards, press gained slurry
Squeezing, filtering and discoloration processing, obtain liquid wax gourd bark extract, spare；
（3）The preparation of mixed extract
Step 1: according to mock-strawberry：Desmodium：Setose thistle：Fructus Forsythiae is 1： 2：3：2 weight proportion takes fresh mock-strawberry, money respectively
Grass, setose thistle and Fructus Forsythiae cleaning, cool solid carbon dioxide, it is spare；
Step 2: Fructus Forsythiae made from step 1 and setose thistle is taken to be put into crusher and be broken into slurry, afterwards, add into gained slurry
The ethanol solution for entering 10 times of its quality carries out immersion 30min, afterwards, refluxing extraction 1h is carried out under ultrasonic wave subsidiary conditions, is taken
Fraction between 55-90 DEG C obtains plant component A, spare；
Step 3: take mock-strawberry made from step 1 and desmodium, tedded under sunlight to its water content after 20%, to be cut into grain size
For the fragment of 0.8cm, afterwards, it is in 8% treatment fluid that fragment is placed in the mass concentration that the mass concentration of Vc is 0.13%, NaOH
Immersion treatment 2h is carried out, is put into after taking-up in crusher and is broken into slurry, then, add in the ethyl alcohol of 1.5 times of its quality thereto
Solution after being thoroughly mixed, squeezes products therefrom, is filtered and discoloration processing, obtains plant component B, spare；
Step 4: plant component A made from step 2 and step 3 and plant component B are mixed to get mixed extract,
It is spare；
（4）The preparation of spray liniment
Step 1）, according to above-mentioned parts by weight, weigh melon vine prepared by sodium Diacetate, gelatin, natural gum and above-mentioned steps respectively
It macerates and takes object, wax gourd bark extract and mixed extract, it is spare；
Step 2）, by step 1）The sodium Diacetate weighed is added in mixed extract, spare after being thoroughly mixed；
Step 3）, take step 1）The natural gum weighed, and 70 DEG C are heated to, afterwards, step 1 is added in thereto）The winter weighed
Melon skin extract after the two is sufficiently mixed, under constant agitation, then adds in step 1 thereto）The melon vine weighed, which is macerated, to be taken
Object, after mixing, progress repeated ultrasonic is disperseed and stewing process, afterwards, adds in step 1 thereto）The gelatin weighed, mixing
To get finished product spray liniment after uniformly.
Embodiment 3
A kind of surface spraying agent for extending fruit shelf life, the spray liniment are made of the raw material of following parts by weight：Melon
Rattan, which is macerated, takes 6 parts of object, 0.5 part of sodium Diacetate, 2 parts of wax gourd bark extract, 7 parts of natural gum, 10 parts of 3 parts of gelatin and mixed extract；
The preparation method of the surface spraying agent comprises the following steps：
（1）Melon vine macerates the preparation for taking object
After autumn withered Chinese waxgourd stem is taken to be placed in the NaOH solution that mass concentration is 10% impregnate 3 days, takes out to clean and dry
Afterwards, the segment that length is 0.3cm is cut into, obtains melon vine powder, afterwards, gained melon vine powder is placed in enzymolysis container, and
The water of 3 times of melon vine powder quality and the cellulase and 0.6% pectase of melon vine powder quality 1% are added in thereto, fully
After mixing, enzymolysis processing 25h is carried out under the conditions of 20 DEG C, is carried out once at interval of 50min during the enzymolysis processing ultrasonic
Ripple oscillation treatment, the power of each supersonic oscillations processing is 200KHz, and processing time is 35 s, afterwards, to gained enzyme
Solution product, which is filtered to macerate to get melon vine with destroy the enzyme treatment, takes object, spare；
（2）The preparation of wax gourd bark extract
Fresh waxgourd peel is taken to clean and after cool solid carbon dioxide point, be placed in crusher and be broken into slurries, afterwards, press gained slurry
Squeezing, filtering and discoloration processing, obtain liquid wax gourd bark extract, spare；
（3）The preparation of mixed extract
Step 1: according to mock-strawberry：Desmodium：Setose thistle：Fructus Forsythiae is 0.5：3：1：2 weight proportion takes fresh mock-strawberry, money respectively
Grass, setose thistle and Fructus Forsythiae cleaning, cool solid carbon dioxide, it is spare；
Step 2: Fructus Forsythiae made from step 1 and setose thistle is taken to be put into crusher and be broken into slurry, afterwards, add into gained slurry
The ethanol solution for entering 20 times of its quality carries out immersion 40min, afterwards, refluxing extraction 2h is carried out under ultrasonic wave subsidiary conditions, is taken
Fraction between 55-90 DEG C obtains plant component A, spare；
Step 3: take mock-strawberry made from step 1 and desmodium, tedded under sunlight to its water content after 25%, to be cut into grain size
It is that the mass concentration of 0.08%, NaOH is 12% treatment fluid by the mass concentration that fragment is placed in Vc afterwards for the fragment of 0.4cm
Middle progress immersion treatment 1h, is put into crusher after taking-up and is broken into slurry, then, add in the second of 1.2 times of its quality thereto
Alcoholic solution after being thoroughly mixed, squeezes products therefrom, is filtered and discoloration processing, obtains plant component B, spare；
Step 4: plant component A made from step 2 and step 3 and plant component B are mixed to get mixed extract,
It is spare；
（4）The preparation of spray liniment
Step 1）, according to above-mentioned parts by weight, weigh melon vine prepared by sodium Diacetate, gelatin, natural gum and above-mentioned steps respectively
It macerates and takes object, wax gourd bark extract and mixed extract, it is spare；
Step 2）, by step 1）The sodium Diacetate weighed is added in mixed extract, spare after being thoroughly mixed；
Step 3）, take step 1）The natural gum weighed, and 60 DEG C are heated to, afterwards, step 1 is added in thereto）The winter weighed
Melon skin extract after the two is sufficiently mixed, under constant agitation, then adds in step 1 thereto）The melon vine weighed, which is macerated, to be taken
Object, after mixing, progress repeated ultrasonic is disperseed and stewing process, afterwards, adds in step 1 thereto）The gelatin weighed, mixing
To get finished product spray liniment after uniformly.
The effect experiment of fruit freshness preserving is carried out to the surface spraying agent prepared by the present invention below by specific experiment.
Fruit freshness preserving evaluation experimental：
1. experiment material, reagent and instrument
1.1 experiment material
Mock-strawberry, desmodium, setose thistle, Fructus Forsythiae are picked in Henan west area；Food-grade sodium Diacetate；The vegetables of commercially available fresh wax gourd
Skin；The Chinese waxgourd stem or cushaw stem that 10-11 months obtain from field；Natural gum；Food-grade gelatin；Orange；Apple；Pears.
1.2 experiment reagent
1.3 laboratory apparatus
Other instruments are laboratory commonly used equipment.
2. experimental method
The processing of 2.1 fruit
Fresh orange, apple and the pears that fresh, full, size is homogeneous, has no mechanical damage are chosen, and are randomly divided into 5 groups, every group of bag
Fruit containing three of the above.This 5 groups of fruit are subjected to spray treatment（1 group：Coat spray liniment prepared by embodiment 1；2 groups：Coating is real
Apply the spray liniment of the preparation of example 2；3 groups：Coat spray liniment prepared by embodiment 3；4 groups：Coat commercially available chemical preservative, 5 groups：Coating
Sterile water makees negative control）.Above-mentioned fruit in coating liquid is impregnated into 30s, treats that fruit surface fully infiltrates and is placed on room temperature drip
It is dry, it is then charged into the polybag of punching in room temperature preservation.
The measure of 2.2 physical and chemical indexes
2.2.1 the measure of weight-loss ratio
The variation of results of regular determination fruit weight.Weight-loss ratio is calculated, on the basis of the average weight of fruit, with weightless percentage table
Show weight-loss ratio.As a result：
2.2.2 the measure of VC contents
Dry doubling is drenched after fresh fruit is cleaned and wipes its surface moisture content away with gauze, 20 g is accurately weighed, is cut into fragment and is placed in homogenate
In machine, about 60 mL2% oxalic acid solutions are added in, stir into homogenate.Homogenate is poured into 100mL volumetric flasks, is washed with 2% oxalic acid solution
Wash homogenizer for several times, washing lotion is transferred in volumetric flask, is finally diluted to scale.It is filtered, discarded initially with fast grade filter paper after mixing
The filtrate filtered out.It draws filtrate 5-10mL to be put into conical flask, quickly be dripped with calibrated 2,6- dichloropheno-lindophenols immediately
It is fixed.Entire titration process must not exceed 2 min.Make blank control with 2% oxalic acid solution simultaneously, write down each titration respectively and disappeared
The volume of the dye solution of consumption（mL）.
Calculation formula：
The average milliliter number for the 2,6- dichloropheno-lindophenols that VA is consumed for titration sample；
The average milliliter number for the 2,6- dichloropheno-lindophenols that VB is consumed for titration blank control；
C is total milliliter number of sample；Samples taken milliliter number when D is titrates；
W is the quality of tested sample；
T is 1 milliliter of standard 2, and the suitable vitamin C milligram number of 6- dichloropheno-lindophenol solution, the specific number of T is mg/mL.
Fruit antibacterial evaluation experimental：
It is tested according to GB antibiotic properties, experimental index is Escherichia coli, staphylococcus aureus.
After acting on a period of time with a certain amount of bacteria suspension by the fruit that will scribble spray liniment, then bacterium colony is counted
Number.The grouping of experimental subjects is consistent with fresh-keeping evaluation experimental.
Each test organisms by Zengjing Granule and line is separately cultured, chooses single colonies typical inoculation ordinary nutrient agar
Medium slant, Escherichia coli and staphylococcus aureus agar medium inclined-plane, 37 DEG C of cultures are for 24 hours.
It is prepared by culture medium：Peptone is dissolved in distilled water, heating is stirred dissolving, fluid nutrient medium is made, then
A certain amount of agar is added in into fluid nutrient medium, solid medium, wherein peptone and distilled water used is made in heating stirring
All handled by 120 DEG C of high-temp steam sterilizings.
Operating process：A certain amount of Fresh bacterial is taken from solid medium with oese, adds in fluid nutrient medium, then
Fluid nutrient medium is done into 10 times of dilutions with distilled water, the diluted concentrations of Escherichia coli is 2.5 × 106cfu/mL, golden yellow grape
Coccus diluted concentration is 8.9 × 106cfu/mL；The above-mentioned bacterium solution of 1mL is taken to be added dropwise on the surface of five groups of fruits respectively, is covered with sterilizing
Epiphragma is covered on five groups of fruits, and under conditions of 37 DEG C, humidity are more than 90%, culture for 24 hours, is cleaned repeatedly with 24mL eluents
Cover film and five groups of preservative films, then take 0.2mL eluents instill solid agar medium on, under the conditions of 37 DEG C cultivate 1~
Then 48h carries out count plate, measure viable bacteria number.Its antibiotic rate is calculated, the results are shown in table below.
Influence to Escherichia coli anti-microbial property
Influence to staphylococcus aureus anti-microbial property
Conclusion (of pressure testing)：From above-mentioned experiment, surface spraying agent prepared by the application contains in antibacterial, antibacterial and weight-loss ratio, VC
In multiple fresh-keeping indexs such as amount, conventional commercially available chemical preservative, and its effect stabilization that has no toxic side effect, safety are superior to
Reliability is high.
Claims (6)
1. a kind of surface spraying agent for extending fruit shelf life, it is characterised in that：The spray liniment is by following parts by weight
Raw material composition：Melon vine, which is macerated, takes 4-6 parts of object, 0.5-0.8 parts of sodium Diacetate, 2-3 parts of wax gourd bark extract, 5-7 parts gummy, gelatin
3-4 parts and 10-20 parts of mixed extract；
The preparation method of the surface spraying agent comprises the following steps：
（1）Melon vine macerates the preparation for taking object
After autumn withered melon vine is taken to be placed in NaOH solution impregnate 3-5 days, after taking out clean dry, being cut into length is
The segment of 0.3-0.5cm obtains melon vine powder, afterwards, gained melon vine powder is placed in enzymolysis container, and adds in melon thereto
The water and the cellulase of melon vine powder quality 1%-1.5% and the pectase of 0.6%-0.9% of 3-5 times of rattan powder quality, fully
After mixing, enzymolysis processing 15-25h is carried out under the conditions of 20 ~ 25 DEG C, is carried out during the enzymolysis processing at interval of 30-50min
Supersonic oscillations processing, afterwards, is filtered gained enzymolysis product and destroy the enzyme treatment macerates to get melon vine and takes object, spare；
（2）The preparation of wax gourd bark extract
Fresh waxgourd peel is taken to clean and after cool solid carbon dioxide point, be placed in crusher and be broken into slurries, afterwards, press gained slurry
Squeezing, filtering and discoloration processing, obtain liquid wax gourd bark extract, spare；
（3）The preparation of mixed extract
Step 1: according to mock-strawberry：Desmodium：Setose thistle：Fructus Forsythiae is（0.5-1）：（2-3）：（1-3）：2 weight proportion, takes respectively
Fresh mock-strawberry, desmodium, setose thistle and Fructus Forsythiae cleaning, cool solid carbon dioxide, it is spare；
Step 2: Fructus Forsythiae made from step 1 and setose thistle is taken to be put into crusher and be broken into slurry, afterwards, add into gained slurry
The ethanol solution for entering 10-20 times of its quality carries out immersion 30-40min, afterwards, refluxing extraction is carried out under ultrasonic wave subsidiary conditions
1-2h takes the fraction between 55-90 DEG C, obtains plant component A, spare；
Step 3: taking mock-strawberry made from step 1 and desmodium, tedded under sunlight to its water content after 20%-25%, to be cut into
Grain size is the fragment of 0.4-0.8cm, afterwards, fragment is placed in progress immersion treatment 1-2h in treatment fluid, is put into after taking-up broken
Slurry is broken into machine, then, the ethanol solution of 1.2-1.5 times of its quality is added in thereto, after being thoroughly mixed, to gained
Product squeezed, is filtered and discoloration processing, obtains plant component B, spare；
Step 4: plant component A made from step 2 and step 3 and plant component B are mixed to get mixed extract,
It is spare；
（4）The preparation of spray liniment
Step 1）, according to above-mentioned parts by weight, weigh melon vine prepared by sodium Diacetate, gelatin, natural gum and above-mentioned steps respectively
It macerates and takes object, wax gourd bark extract and mixed extract, it is spare；
Step 2）, by step 1）The sodium Diacetate weighed is added in mixed extract, spare after being thoroughly mixed；
Step 3）, take step 1）The natural gum weighed, and 60-70 DEG C is heated to, afterwards, step 1 is added in thereto）It weighs
Wax gourd bark extract after the two is sufficiently mixed, under constant agitation, then adds in step 1 thereto）The melon vine weighed is macerated
Object is taken, after mixing, progress repeated ultrasonic is disperseed and stewing process, afterwards, adds in step 1 thereto）The gelatin weighed mixes
To get finished product spray liniment after closing uniformly.
2. a kind of surface spraying agent for extending fruit shelf life according to claim 1, it is characterised in that：Described is mixed
It closes in extracting solution, the weight proportion of each raw material is mock-strawberry：Desmodium：Setose thistle：Fructus Forsythiae is 0.8：1.4：2：2.
3. a kind of surface spraying agent for extending fruit shelf life according to claim 1, it is characterised in that：It is macerated in melon vine
It takes in the preparation process of object, the mass concentration of the NaOH solution is 5%-10%.
4. a kind of surface spraying agent for extending fruit shelf life according to claim 1, it is characterised in that：It is macerated in melon vine
It takes in the preparation process of object, the power of each supersonic oscillations processing is 150-200KHz, and processing time is 25-35 s.
5. a kind of surface spraying agent for extending fruit shelf life according to claim 1, it is characterised in that：In step 2
In step 3, the mass concentration of the ethanol solution is 97%.
6. a kind of surface spraying agent for extending fruit shelf life according to claim 1, it is characterised in that：In step 3
In, the mass concentration of Vc is 0.08-0.13% in the treatment fluid, and the mass concentration of NaOH is 8%-12%.
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| CN201711469054.2A CN108112690A (en) | 2017-12-29 | 2017-12-29 | A kind of surface spraying agent for extending fruit shelf life |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104106627A (en) * | 2014-07-02 | 2014-10-22 | 河南科技大学 | Vegetable fresh-keeping composition containing fructus forsythiae leaf extract and preparation method thereof |
| CN104738787A (en) * | 2015-04-17 | 2015-07-01 | 黄琳 | Natural preservative and preparation method thereof |
-
2017
- 2017-12-29 CN CN201711469054.2A patent/CN108112690A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104106627A (en) * | 2014-07-02 | 2014-10-22 | 河南科技大学 | Vegetable fresh-keeping composition containing fructus forsythiae leaf extract and preparation method thereof |
| CN104738787A (en) * | 2015-04-17 | 2015-07-01 | 黄琳 | Natural preservative and preparation method thereof |
Non-Patent Citations (2)
| Title |
|---|
| 王栋梁等: "冬瓜皮成分及抗氧化活性成分分析", 《江苏农业科学》 * |
| 王硕等: "西瓜藤提取物的抑菌作用研究", 《广西植物》 * |
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