CN104170943B - A kind of composition and method of making the same for meat anticorrosion - Google Patents
A kind of composition and method of making the same for meat anticorrosion Download PDFInfo
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Abstract
The invention discloses a kind of composition for meat anticorrosion, the raw material be made up of following weight parts is formulated: Folium Forsythiae extract 2.5 parts, dehydro sodium acetate 1 part, potassium sorbate 1 part.Its preparation method is simple to operate, and process conditions are gentle, and separative efficiency is high, and the utilization rate of Folium Forsythia is high, and finished product purity is higher, and quality is better, can meet the needs of industrialized production.Composition assists the fresh-keeping activity test of meat anticorrosion to be evaluated its anti-corrosive fresh-keeping ability by many indexs such as total plate count, pH value, meat sample redness, meat sample aesthetic qualities, result shows: when being used alone relative to natural antiseptic agent and chemical preservative, composition has stronger anti-corrosive fresh-keeping effect to fresh meat, shows obvious synergy.Folium Forsythiae extract is as natural products, and the composition coordinated with chemical preservative, the anticorrisive agent security of more simple Prof. Du Yucang wants high, has wide development prospect.
Description
Technical field
The present invention relates to the preparing technical field of a kind of new compositions additive or additive, a kind of composition related to containing Folium Forsythiae extract is preparing the purposes in preservative for meat specifically.
Background technology
Meat products in processing, storage, be very easily subject to microbial destruction in process of consumption and rot, simultaneously also very easily oxidized and affect the local flavor of meat products, the antioxidant of past many uses Prof. Du Yucang and bactericide.Owing to more and more studying the insecurity confirming artificial synthetic preservative, current many countries successively cancel or limit the use of Prof. Du Yucang anticorrisive agent, and are devoted to research extract natural antiseptic agent from plant.In the anti-corrosive fresh-keeping of cold fresh meat, chemical synthesis anticorrisive agent is replaced to become the trend of research with natural materials.
Antiseptics for natural food can be divided into: five kinds of antiseptics for natural food such as animal sources, microbial source, plant source, natural organic-compound and mineral extract.The advantages such as wherein plant source antiseptic agent is due to aboundresources, and material is easy to get, and toxic and side effect is little enjoy favor.The focus that natural materials has become food preservative field current research is extracted from plant.
Show after deliberation: many plants all have restraining and sterilizing bacteria ability, therefore natural antiseptic agent of plant source source is very extensive, current the known world approximately exists more than 20,000 and plants the medicinal plant with restraining and sterilizing bacteria effect.In 4773 kinds of Chinese traditional herbs of including in " Chinese medicine dictionary ", plant has Antimicrobial preservative effect at least 2000, and their drug effect is clear and definite, and security is secure, has wide development and application values.Research finds, multiple natural plants, the extract as rosemary, cloves, Chinese cassia tree, lotus leaf, garlic, aloe, turmeric, honeysuckle, wild marjoram, Chinese prickly ash etc. all has bacteriostasis.
Because China is vast in territory, floristics is various, and for natural antiseptic agent of plant source provides the raw material not to the utmost of use, natural antiseptic agent has wide spectrum, low toxicity, safety, the advantage such as effective in addition, and natural antiseptic agent of plant source has vast potential for future development.The development trend of current food preservative is: by used in combination for several different natural antiseptic agent or by natural antiseptic agent and other chemical preservatives with the use of.So not only can reduce the consumption of chemical preservative, make again sterilization conditions gentleer simultaneously, reach the effect of Synergistic or complementation.
The capsule of weeping forsythia is one of conventional Chinese medicine, and be the fruit of the Oleaceae plants capsule of weeping forsythia, in China Henan, there is establishing in large scale on the ground such as Shanxi, Shaanxi, Hebei.Although long with the history that Folium Forsythia is used as medicine, the record rarely having Folium Forsythia to be used as medicine in the herbal ancient books and records in China's successive dynasties.Comprehensive in recent years to the research of Folium Forsythia, show: containing rosin spirit glycoside, phillyrin, pinoresinol, phillygenin in Folium Forsythia; Flavone compound: rutin; Styrenic derivatives: salidroside, the capsule of weeping forsythia Lai wood glucoside, the capsule of weeping forsythia fat glucoside A, C, D, E etc., still containing triterpene compound: compositions such as ursolic acid, betulinic acid, oleanolic acids, active component in active component in Folium Forsythia and capsule of weeping forsythia fruit is very similar, and in Folium Forsythia the content part of Related Component far above the content in capsule of weeping forsythia fruit, the content of forsythin is higher than fruit more than 10 times, and the content of Forsythoside higher than fruit 5-10 doubly.Due to the active component that the compositions such as forsythin, Forsythoside, rutin, dextrorotation pinoresinol are in the capsule of weeping forsythia, they have antiviral, anti-oxidant, antibacterial, multiple efficacies such as suppression elastoser, anti-inflammatory etc., so Folium Forsythia also has certain antiviral, antibacterial action, simultaneously because Folium Forsythia resource is very abundant, output affects the advantages such as less by extraneous factor, therefore has good development and application values.
In prior art to Folium Forsythiae extract and chemical preservative Combination application little in the fresh-keeping research of meat anticorrosion.
Summary of the invention
Technical problem to be solved by this invention is to provide the composition and method of making the same of a kind of Folium Forsythiae extract and chemical preservative and the novelty teabag as meat anticorrosion antistaling agent active ingredient, preparation method of the present invention easily and fast, obtained composition has stronger anti-corrosive fresh-keeping effect to fresh meat, shows obvious synergy.Its main component---Folium Forsythiae extract composition is natural, and bioavailability is high, and security reliability is good.
The present invention is for solving the problems of the technologies described above, and the technical scheme adopted is: a kind of composition for meat anticorrosion, and described composition is made up of the raw material of following parts by weight: Folium Forsythiae extract 2.5 parts, sodium Diacetate 1 part, potassium sorbate 1 part.The addition of described composition is 4.5% of preparation spray solution quality.Its concrete preparation process is:
(1) preparation of Folium Forsythiae extract: getting fresh Folium Forsythia at room temperature airing to water content is 30%-40%, afterwards, put into crusher for crushing to 30-60 order, then, Folium Forsythia after pulverizing is placed in microwave dryer, account for the condition of the inner free space 1/3 ~ 1/2 of microwave dryer at the Folium Forsythia volume putting into microwave dryer under, adjustment microwave power is 700 ~ 900W, microwave treatment 50 ~ 80s, then, the Vc solution that mass concentration is 0.1-0.15% is added in the Folium Forsythia after microwave treatment, the ratio of weight and number of the Folium Forsythia after added Vc solution and microwave treatment is 5-7:1, afterwards, heating digestion is the 1/3-1/2 of digestion front volume to the volume of mixture, digestion terminates rear filtration, get filtrate, for subsequent use,
The concrete steps wherein heating digestion are: first at 60-70 DEG C of temperature, add heat soaking 40-60min, afterwards, be warming up to 200 DEG C start digestion, until the volume of mixture is the 1/3-1/2 of digestion front volume with the heating rate of 5 DEG C/min.
Adopt volumetric concentration be 55% ethanol lixiviate is carried out to the filter residue that obtains after filtering, during lixiviate, every 1g Folium Forsythia uses 30mL ethanol, after lixiviate terminates, the filtrate obtained after the leaching liquor obtained and digestion being filtered merges, and leaves standstill, and filters, at 50 DEG C, reduced pressure concentration reclaims ethanol, obtain concentrate, room temperature leaves standstill, and filters, obtain Folium Forsythia extract, afterwards, by the Folium Forsythia extract transposition that obtains in vacuum freeze drier inner drying 48h, solid forsythia suspense extraction is namely obtained;
(2) preparation of composition: get by weight after 2.5 parts of steps (1) obtained Folium Forsythiae extract, 1 part of sodium Diacetate and 1 part of potassium sorbate fully mix and namely obtain finished product.
Beneficial effect:
(1), the invention provides the high meat anticorrosion agent prescription of a kind of natural degree newly, meet the meat anticorrosion additive needs of modern's safety and Health, the activity test of meat anti-corrosive fresh-keeping is assisted to show to the preservative for meat obtained by the present invention: when being used alone relative to natural antiseptic agent (Folium Forsythiae extract) and chemical preservative (sodium Diacetate and potassium sorbate), said composition shows significant antiseptic power and obvious synergistic function.Meanwhile, Folium Forsythiae extract is as natural products, and the composition coordinated with chemical preservative, little compared with the anticorrisive agent toxicity of simple Prof. Du Yucang, security is high, good stability, applied widely, has wide development prospect.
(2) after, composition of the present invention pulverizes extraction Folium Forsythiae extract by Folium Forsythia, finished product is obtained again with sodium Diacetate and potassium sorbate hybrid process, method itself is simple to operate, process conditions are gentle, separative efficiency is high, and the utilization rate of Folium Forsythia is high, and finished product purity is higher, quality is better, can meet the needs of industrialized production.
(3), the present invention is extracting in the process of Folium Forsythiae extract from fresh Folium Forsythia, adopt and first fresh Folium Forsythia is placed in airing under room temperature, pulverize afterwards and the step of microwave treatment, Folium Forsythia after airing has lost the free water in most blade, can effectively to prevent in Folium Forsythia water miscible effective pharmaceutical component such as forsythiaside A when microwave treatment, run off with the evaporation of moisture, and, pass through microwave treatment, blade top layer can be made to burst, the mechanism structure of cell membrane changes, possesses loose porous character, in follow-up heating digestion process, can be more abundant, fast by the forsythin in blade, forsythiaside A, the lixiviates such as flavone compound out, improve the extracting efficiency of effective pharmaceutical component and effective leaching rate.
Simultaneously, microwave treatment makes blade rapid temperature increases, add the tissue water mobility in blade, wherein, the saponin of what blade intensive amount was less have immunity moderation, anti-sudden change, anti-oxidation function can be dissolved in moisture rapidly, and in the steps such as follow-up lixiviate, enters in extract and final finished product, enhance the medicinal efficacy of finished product, improve the use value of finished product.
(4), the Vc solution that mass concentration is 0.1-0.15% is added in the present invention's Folium Forsythia after the microwave treatment, the slant acidity environment that Vc solution provides can high temperature when Folium Forsythia heats digestion, in heat-flash environment, ensure the stability of effective pharmaceutical component forsythiaside A main in Folium Forsythia, prevent it from decomposing and run off, improving the medical value of finished product.
The extraction process of digestion and filter residue lixiviate makes the effective pharmaceutical component in Folium Forsythia obtain to extract the most fully, and make finished product Folium Forsythiae extract composition various, the component content such as forsythiaside A and forsythin is high, good stability.
Accompanying drawing explanation
Fig. 1 be anticorrosive composite of the present invention 4 DEG C of storage periods on the impact of pork total plate count;
Fig. 2 be anticorrosive composite of the present invention 4 DEG C of storage periods on the impact of mutton total plate count;
Fig. 3 be anticorrosive composite of the present invention 4 DEG C of storage periods on the impact of beef total plate count;
Fig. 4 be anticorrosive composite of the present invention 4 DEG C of storage periods on the impact of pork pH;
Fig. 5 be anticorrosive composite of the present invention 4 DEG C of storage periods on the impact of mutton pH;
Fig. 6 be anticorrosive composite of the present invention 4 DEG C of storage periods on the impact of beef pH;
Fig. 7 be anticorrosive composite of the present invention 4 DEG C of storage periods on the impact of the flesh-coloured angle value of pork;
Fig. 8 be anticorrosive composite of the present invention 4 DEG C of storage periods on the impact of the flesh-coloured angle value of mutton;
Fig. 9 be anticorrosive composite of the present invention 4 DEG C of storage periods on the impact of the flesh-coloured angle value of beef;
Figure 10 is the result chart that during anticorrosive composite of the present invention measures the physical and chemical index of meat, organoleptic indicator evaluates;
Figure 11 is anticorrosive composite of the present invention affects result chart 4 DEG C of storage periods to pork sensory evaluation;
Figure 12 is anticorrosive composite of the present invention affects result chart 4 DEG C of storage periods to beef sensory evaluation;
Figure 13 is anticorrosive composite of the present invention affects result chart 4 DEG C of storage periods to mutton sensory evaluation.
Detailed description of the invention
Below in conjunction with specific embodiment, illustrate the present invention further.Following examples are interpreted as only being not used in for illustration of the present invention limiting the scope of the invention.After the content of having read the present invention's record, those skilled in the art can make various amendment or change to the present invention, and these equivalence changes and modification fall into the scope of the claims in the present invention equally.
For a composition for meat anticorrosion, described composition is made up of the raw material of following parts by weight: Folium Forsythiae extract 2.5 parts, sodium Diacetate 1 part, potassium sorbate 1 part.The addition of described composition is 4.5% of preparation spray solution quality.Its concrete preparation process is:
(1) preparation of Folium Forsythiae extract: getting the at room temperature airing of the fresh Folium Forsythia of 50g is 40% to water content, afterwards, put into crusher for crushing to 40 order, then, Folium Forsythia after pulverizing is placed in microwave dryer, wherein, the Folium Forsythia volume put in microwave dryer is the inner free space 1/2 of microwave dryer, adjustment microwave power is 800W, microwave treatment 80s, then, the Vc solution 150mL that mass concentration is 0.12% is added in the Folium Forsythia after microwave treatment, heat soaking 50min is added at 65 DEG C of temperature, afterwards, be warming up to 200 DEG C with the heating rate of 5 DEG C/min and start digestion, until the volume of mixture is 80mL, digestion terminates rear filtration, get filtrate, for subsequent use,
To filtering the filter residue obtained, be ethanol 60 DEG C of lixiviate 40min of 55% by 450mL volumetric concentration, after lixiviate terminates, filter, the filtrate obtained after the leaching liquor obtained and digestion being filtered merges, and leaves standstill, filter, at 50 DEG C, reduced pressure concentration reclaims ethanol, obtains concentrate, afterwards, room temperature leaves standstill, and filters, obtain Folium Forsythia extract, afterwards, by the Folium Forsythia extract transposition that obtains in vacuum freeze drier inner drying 48h, solid forsythia suspense extraction is namely obtained;
The mensuration of forsythiaside A and forsythin in Folium Forsythiae extract: precision takes forsythiaside A reference substance and forsythin reference substance, adding volumetric concentration is 50% methyl alcohol, makes the solution of every 1ml containing forsythiaside A 0.2mg and forsythin 0.24mg respectively.Mobile phase is methyl alcohol (A)-water (containing 0.2% glacial acetic acid) (B), gradient elution: 0 ~ 3min, 32% ~ 32%A; 3 ~ 25min, 32% ~ 55%A; 25 ~ 30min, 55% ~ 55%A, measure wavelength 235nm, flow velocity lml/min, column temperature 30 DEG C, sample size 10 μ l.Measuring forsythiaside A content in forsythia suspense extraction is 169.724mg/g, and Determination of forsythin is 41.23mg/g.
(2) preparation of composition: get by weight after 2.5 parts of steps (1) obtained forsythia suspense extraction, 1 part of sodium Diacetate and 1 part of potassium sorbate fully mix and namely obtain finished product.
What experimental program of the present invention adopted is that (wherein forsythiaside A content is 169.724mg/g to the homemade extract dry powder doses from Folium Forsythia extraction preparation in this laboratory, Determination of forsythin is 41.23mg/g), but the effect of Folium Forsythiae extract is also applicable to other formulation; Sodium Diacetate and potassium sorbate are the food-grade sodium Diacetate and food-grade potassium sorbate buied from the market; The feature of composition is that the raw material be made up of following weight parts is formulated: Folium Forsythiae extract 2.5 parts, sodium Diacetate 1 part, potassium sorbate 1 part.The present invention assists the fresh-keeping activity test of meat anticorrosion by Folium Forsythiae extract, sodium Diacetate and potassium sorbate composition, observes the effect effect that said composition is fresh-keeping to meat anticorrosion.
The fresh-keeping evaluation experimental of meat anticorrosion
1. experiment material, reagent and instrument
1.1 experiment material
Folium Forsythia, plucks in area, west, Henan; Food-grade sodium Diacetate; Food-grade potassium sorbate
Cold fresh pork; Cold fresh mutton; Cold fresh beef.
1.2 experiment reagent
| Reagent name | Reagent specification |
| Sodium chloride | Analyze pure |
| Beef extract | Biochemical reagents |
| Peptone | Biochemical reagents |
| Agar powder | Biochemical reagents |
The preparation of 1.3 nutrient agars
By beef extract 0.5g, peptone 1.0g, NaCl0.5g and agar 1.2 ~ 2.0g are dissolved in 100mL water, regulate mixture pH to 7.2,121 DEG C of sterilizing 20min.
Laboratory apparatus
| Instrument and model | Manufacturer |
| Haier's refrigerator | Qingdao HaiEr Co., Ltd |
| Electric drying oven with forced convection | Beijing is bright Medical Instruments factory forever |
| HH-S thermostat water bath | Community of Jin Tan County city hundred million leads to Electronics Co., Ltd. |
| DL-1 type universal electric furnace | Bright medical apparatus and instruments factory of Beijing |
| WF2UV2800AH type UV, visible light light splitting photometry | You Nike (Shanghai) Instrument Ltd. |
| TG16-W type high speed centrifugal machine for minim | Changsha Xiang Yi centrifuge Instrument Ltd. |
| FA 110EA type electronic balance | Shanghai Jing Hai Instrument Ltd. 4--> |
| Liquid-transfering gun | Dragon Medical(Shanghai) Co., Ltd. |
| Vacuum pump using circulatory water | Ying Guhuayu instrument plant of Gongyi City |
| Water isolation type electro-heating standing-temperature cultivator | Shanghai leap medical apparatus and instruments factory |
| BS2100S electronic balance | Beijing Sai Duoli balance company |
Other instruments are laboratory common equipment.
2. experimental technique
The preparation of 2.1 Folium Forsythiae extracts
Fresh Folium Forsythia at room temperature airing to water content is 40%, afterwards, put into crusher for crushing to 40 order, then, Folium Forsythia after pulverizing is placed in microwave dryer, wherein, the Folium Forsythia volume put in microwave dryer is the inner free space 1/2 of microwave dryer, adjustment microwave power is 800W, microwave treatment 80s, then, the Vc solution 150mL that mass concentration is 0.12% is added in the Folium Forsythia after microwave treatment, heat soaking 50min is added at 65 DEG C of temperature, afterwards, be warming up to 200 DEG C with the heating rate of 5 DEG C/min and start digestion, until the volume of mixture is 80mL, digestion terminates rear filtration, get filtrate, for subsequent use,
To filtering the filter residue obtained, be ethanol 60 DEG C of lixiviate 40min of 55% by 450mL volumetric concentration, after lixiviate terminates, filter, the filtrate obtained after the leaching liquor obtained and digestion being filtered merges, and leaves standstill, filter, at 50 DEG C, reduced pressure concentration reclaims ethanol, obtains concentrate, afterwards, room temperature leaves standstill, and filters, obtain Folium Forsythia extract, afterwards, by the Folium Forsythia extract transposition that obtains in vacuum freeze drier inner drying 48h, solid forsythia suspense extraction is namely obtained.
The process of 2.2 meat samples
The pork of purchase, beef, mutton are placed in refrigerator and cooled but acid discharge 24h, make its central temperature be down to 0 ~ 4 DEG C.In advance by required instrument through 75% cotton ball soaked in alcohol wiping, and through ultraviolet irradiation 15min.In superclean bench, remove manadesma and fat, be cut into the cube meat of about 50g, cube meat is divided into 6 groups at random, often group includes 6 cube meat repetitions.Respectively with the antistaling agent process of following variable concentrations, and do negative control with sterilized water.Processing method adopts spray process, drains 15 ~ 30min, does vacuum packaging with preservative film, be placed in 4 DEG C of refrigerators after process in superclean bench, respectively at the 0th, 3,6,9,12d measures indices.
Test group
| Processed group | Folium Forsythiae extract/g | Sodium Diacetate/g | Potassium sorbate/g |
| 1 group | 0 | 0 | 0 |
| 2 groups | 0.5 | 0.5 | 1 |
| 3 groups | 1 | 1 | 2.5 |
| 4 groups | 2 | 2 | 5 |
| 5 groups | 1 | 1 | 0 |
| 6 groups | 0 | 0 | 5 |
100mL is settled to by each group according to aforementioned proportion 50% ethanol.Wherein, the 1st group is negative control, and the 5th group is positive control.
The mensuration of 2.3 microbiological indicator total plate counts
According to the mensuration of GB4789.2-2010 food hygiene microbiologic inhibition tests total plate count.With plate count, result represents Logcfu/g with the logarithm of bacterium number.Concrete operations are as follows: to be shredded by meat sample 25g with sterile working and be put in sterilizing mortar, make the even dilution of 1:10, transfer to sterilized presetting in right quantity bead triangular flask, fully shake after grinding fully with 225mL sterile saline.Draw dilution 1mL with 1mL sterilizing suction pipe, slowly inject containing 9mL sterile saline in vitro along tube wall, jolting test tube, mixes, and makes 10 times and increases progressively dilution, so often increase progressively dilution once, namely uses 1 1mL sterilizing suction pipe instead.According to food hygienic standard requirement, select 2 ~ 3 acceptable diluent gradients, respectively while doing dilution gradient, namely move in 1mL dilution and sterilizing culture dish with the pipette drawing this dilution gradient, each dilution gradient makees two culture dishes.Dilution moves into after culture dish, and the nutrient agar of 46 DEG C injection culture dish should will be cooled in time to be about 15mL, and rotates culture dish and make to mix.Blank is done in the sterilising medium simultaneously nutrient agar impouring being added with 1mL SPSS.After agar solidification, upset is dull and stereotyped, cultivates 48h in 36 DEG C of constant incubators.
The mensuration of 2.4 physical and chemical indexs
2.4.1pH mensuration
Get above-mentioned lapping liquid acidometer and directly measure its pH.In triplicate, average.
2.4.2. the mensuration of aberration
Meat sample is cut into the sliced meat that about 1cm is thick, 3-4cm is wide, uses preservative film package formation, measure its aberration with color difference meter.
2.5 organoleptic indicators evaluate
Respectively to the color and luster of meat sample, become sour hide, peculiar smell, surface change and overall acceptance carry out evaluations and give a mark, and then carries out statistical analysis respectively to indices.Result as shown in Figure 10.
3. result of the test: as shown in accompanying drawing 1-13.
4. conclusion (of pressure testing): test and evaluate the corrosion-resistanting fresh-keeping effect of preservative to cold fresh meat, from above-mentioned graph results by multiple index (total plate count, pH, meat sample redness, aesthetic quality):
Total plate count: the increase of preservative to cold fresh meat total plate count of the preservative of 2.5% Folium Forsythiae extract+1% sodium Diacetate+1% potassium sorbate, sodium Diacetate+2% potassium sorbate of 5% Folium Forsythiae extract+2% has obvious inhibitory action, and its Be very effective is better than effect when being used alone, but this fungistatic effect between the two there is no significant difference (P>0.05).
The preservative of pH:2.5% Folium Forsythiae extract+1% sodium Diacetate+1% potassium sorbate, the preservative of 5% Folium Forsythiae extract+2% sodium Diacetate+2% potassium sorbate have the effect significantly suppressing cold fresh meat pH to increase, and between the two without significant difference, and its Be very effective is better than each component is used alone the effect (P<0.05) being.
Meat sample redness: the meat sample red scale value of each processed group all with the prolongation of storage time by low.But each processed group all with control group without significant difference (P>0.05).Illustrate, each processed group is all not remarkable on there being the impact of beef aberration.
Aesthetic quality: each processed group overall acceptance all higher than remarkable control group, but there is no significant difference between each processed group.Illustrate, each group anticorrisive agent all has the sensory evaluation of mutton and acts on more significantly.
Generally speaking, when combination anticorrosion agent concentration is higher, although there is good antiseptic effect, but sensory evaluation decline and high cost, be not suitable for production application, and the preservative of 1% Folium Forsythiae extract+0.5% sodium Diacetate+0.5% potassium sorbate does not have good bacteriostasis, make cold fresh meat corrupt too early, so antiseptic effect is also poor.Therefore, according to above conclusion (of pressure testing), the preservative of 2.5% Folium Forsythiae extract+1% sodium Diacetate+1% potassium sorbate can be used as more suitable addition.When being used alone relative to Folium Forsythiae extract and sodium Diacetate, potassium sorbate, preservative has stronger anti-corrosive fresh-keeping effect to fresh meat, shows obvious synergy.
Claims (2)
1. for a composition for meat anticorrosion, it is characterized in that: described composition is made up of the raw material of following parts by weight: Folium Forsythiae extract 2.5 parts, sodium Diacetate 1 part and potassium sorbate 1 part;
The preparation method of described composition, comprises following preparation process:
(1) preparation of Folium Forsythiae extract: getting fresh Folium Forsythia at room temperature airing to water content is 30%-40%, afterwards, put into crusher for crushing to 30-60 order, then, Folium Forsythia after pulverizing is placed in microwave dryer, account for the condition of the inner free space 1/3 ~ 1/2 of microwave dryer at the Folium Forsythia volume putting into microwave dryer under, adjustment microwave power is 700 ~ 900W, microwave treatment 50 ~ 80s, then, the Vc solution that mass concentration is 0.1-0.15% is added in the Folium Forsythia after microwave treatment, the ratio of weight and number of the Folium Forsythia after added Vc solution and microwave treatment is 5-7:1, afterwards, heating digestion is the 1/3-1/2 of digestion front volume to the volume of mixture, digestion terminates rear filtration, get filtrate, for subsequent use,
Adopt volumetric concentration be 55% ethanol lixiviate is carried out to the filter residue that obtains after filtering, during lixiviate, every 1g Folium Forsythia uses 30mL ethanol, after lixiviate terminates, the filtrate obtained after the leaching liquor obtained and digestion being filtered merges, and leaves standstill, and filters, at 50 DEG C, reduced pressure concentration reclaims ethanol, obtain concentrate, room temperature leaves standstill, and filters, obtain Folium Forsythia extract, afterwards, by the Folium Forsythia extract transposition that obtains in vacuum freeze drier inner drying 48h, solid forsythia suspense extraction is namely obtained;
(2) preparation of composition: get by weight after 2.5 parts of steps (1) obtained Folium Forsythiae extract, 1 part of sodium Diacetate and 1 part of potassium sorbate fully mix and namely obtain finished product.
2. a kind of composition for meat anticorrosion according to claim 1, it is characterized in that: in described step (1), the concrete steps of heating digestion are: first at 60-70 DEG C of temperature, add heat soaking 40-60min, afterwards, be warming up to 200 DEG C with the heating rate of 5 DEG C/min and start digestion, until the volume of mixture is the 1/3-1/2 of digestion front volume.
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| CN113229464A (en) * | 2021-06-21 | 2021-08-10 | 徐州工程学院 | Application of dried laver extract in preparation of mutton sausage with long shelf life and fresh keeping function |
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| CN101735290B (en) * | 2008-11-18 | 2012-06-27 | 黑龙江大学 | Method for extracting phillyrin from forsythia |
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