CN107969484A - A kind of preparation method of antistaling agent for longan - Google Patents
A kind of preparation method of antistaling agent for longan Download PDFInfo
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- CN107969484A CN107969484A CN201711323653.3A CN201711323653A CN107969484A CN 107969484 A CN107969484 A CN 107969484A CN 201711323653 A CN201711323653 A CN 201711323653A CN 107969484 A CN107969484 A CN 107969484A
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- 235000000235 Euphoria longan Nutrition 0.000 title claims abstract description 44
- 238000002360 preparation method Methods 0.000 title claims abstract description 16
- 244000139609 Euphoria longan Species 0.000 title 1
- 240000001008 Dimocarpus longan Species 0.000 claims abstract description 43
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 33
- 229920001661 Chitosan Polymers 0.000 claims abstract description 19
- 240000001812 Hyssopus officinalis Species 0.000 claims abstract description 19
- 235000010650 Hyssopus officinalis Nutrition 0.000 claims abstract description 19
- 240000002853 Nelumbo nucifera Species 0.000 claims abstract description 19
- 235000006508 Nelumbo nucifera Nutrition 0.000 claims abstract description 19
- 235000006510 Nelumbo pentapetala Nutrition 0.000 claims abstract description 19
- 244000223014 Syzygium aromaticum Species 0.000 claims abstract description 19
- 235000016639 Syzygium aromaticum Nutrition 0.000 claims abstract description 19
- LUEWUZLMQUOBSB-FSKGGBMCSA-N (2s,3s,4s,5s,6r)-2-[(2r,3s,4r,5r,6s)-6-[(2r,3s,4r,5s,6s)-4,5-dihydroxy-2-(hydroxymethyl)-6-[(2r,4r,5s,6r)-4,5,6-trihydroxy-2-(hydroxymethyl)oxan-3-yl]oxyoxan-3-yl]oxy-4,5-dihydroxy-2-(hydroxymethyl)oxan-3-yl]oxy-6-(hydroxymethyl)oxane-3,4,5-triol Chemical compound O[C@H]1[C@@H](O)[C@H](O)[C@@H](CO)O[C@H]1O[C@@H]1[C@@H](CO)O[C@@H](O[C@@H]2[C@H](O[C@@H](OC3[C@H](O[C@@H](O)[C@@H](O)[C@H]3O)CO)[C@@H](O)[C@H]2O)CO)[C@H](O)[C@H]1O LUEWUZLMQUOBSB-FSKGGBMCSA-N 0.000 claims abstract description 18
- 229920002581 Glucomannan Polymers 0.000 claims abstract description 18
- 229940046240 glucomannan Drugs 0.000 claims abstract description 18
- 240000004808 Saccharomyces cerevisiae Species 0.000 claims abstract description 17
- 235000014680 Saccharomyces cerevisiae Nutrition 0.000 claims abstract description 17
- 240000006024 Lactobacillus plantarum Species 0.000 claims abstract description 15
- 235000013965 Lactobacillus plantarum Nutrition 0.000 claims abstract description 15
- 229940072205 lactobacillus plantarum Drugs 0.000 claims abstract description 15
- 239000002994 raw material Substances 0.000 claims abstract description 15
- 238000000855 fermentation Methods 0.000 claims abstract description 9
- 230000004151 fermentation Effects 0.000 claims abstract description 9
- 239000000203 mixture Substances 0.000 claims abstract description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 13
- 239000012153 distilled water Substances 0.000 claims description 11
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 10
- 239000000706 filtrate Substances 0.000 claims description 10
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 claims description 9
- 238000000227 grinding Methods 0.000 claims description 5
- 238000002156 mixing Methods 0.000 claims description 5
- 239000002245 particle Substances 0.000 claims description 5
- 238000002390 rotary evaporation Methods 0.000 claims description 5
- 238000003756 stirring Methods 0.000 claims description 5
- 238000002525 ultrasonication Methods 0.000 claims description 5
- 238000004821 distillation Methods 0.000 claims 1
- 238000002604 ultrasonography Methods 0.000 claims 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 abstract description 4
- 230000009545 invasion Effects 0.000 abstract description 4
- 244000005700 microbiome Species 0.000 abstract description 4
- 229910052760 oxygen Inorganic materials 0.000 abstract description 4
- 239000001301 oxygen Substances 0.000 abstract description 4
- 230000007613 environmental effect Effects 0.000 abstract description 3
- 239000004615 ingredient Substances 0.000 abstract description 3
- 235000016709 nutrition Nutrition 0.000 abstract description 3
- 235000012055 fruits and vegetables Nutrition 0.000 abstract description 2
- 229940045110 chitosan Drugs 0.000 description 15
- 229940081969 saccharomyces cerevisiae Drugs 0.000 description 12
- 235000013399 edible fruits Nutrition 0.000 description 9
- 230000000694 effects Effects 0.000 description 7
- 230000000052 comparative effect Effects 0.000 description 6
- 238000012545 processing Methods 0.000 description 6
- 235000021049 nutrient content Nutrition 0.000 description 4
- 208000016261 weight loss Diseases 0.000 description 4
- 230000004580 weight loss Effects 0.000 description 4
- NIPNSKYNPDTRPC-UHFFFAOYSA-N N-[2-oxo-2-(2,4,6,7-tetrahydrotriazolo[4,5-c]pyridin-5-yl)ethyl]-2-[[3-(trifluoromethoxy)phenyl]methylamino]pyrimidine-5-carboxamide Chemical compound O=C(CNC(=O)C=1C=NC(=NC=1)NCC1=CC(=CC=C1)OC(F)(F)F)N1CC2=C(CC1)NN=N2 NIPNSKYNPDTRPC-UHFFFAOYSA-N 0.000 description 3
- 230000003993 interaction Effects 0.000 description 3
- 241000196324 Embryophyta Species 0.000 description 2
- 241000186660 Lactobacillus Species 0.000 description 2
- 230000006866 deterioration Effects 0.000 description 2
- 230000001408 fungistatic effect Effects 0.000 description 2
- 229940039696 lactobacillus Drugs 0.000 description 2
- 208000035404 Autolysis Diseases 0.000 description 1
- 241000894006 Bacteria Species 0.000 description 1
- 206010057248 Cell death Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 235000009508 confectionery Nutrition 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 230000002542 deteriorative effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 150000004676 glycans Chemical class 0.000 description 1
- 238000003306 harvesting Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 244000052769 pathogen Species 0.000 description 1
- 230000001717 pathogenic effect Effects 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 230000000241 respiratory effect Effects 0.000 description 1
- 230000029058 respiratory gaseous exchange Effects 0.000 description 1
- 230000028043 self proteolysis Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
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
-
- 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
- A23V2400/00—Lactic or propionic acid bacteria
- A23V2400/11—Lactobacillus
- A23V2400/169—Plantarum
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)
- Preparation Of Fruits And Vegetables (AREA)
Abstract
The invention belongs to postharvest technology of fruits and vegetables field, specifically discloses a kind of preparation method of antistaling agent for longan.The preparation method of the antistaling agent for longan of the present invention comprises the following steps：(1) raw material weighs：By weight, following raw materials according component is weighed：0.5 1.5 parts of 5 10 parts of lotus leaf, 58 parts of Hyssopus officinalis, 48 parts of cloves, 12 parts of lactobacillus plantarum, 0.2 0.5 parts of saccharomyces cerevisiae, 13 parts of Chitosan and Glucomannan；(2) fermentation process：By the lotus leaf weighed, Hyssopus officinalis, cloves and lactobacillus plantarum and saccharomyces cerevisiae mixed fermentation；(3) extract：Extracted using ultrasonic wave；(4) mix.The antistaling agent safety and environmental protection that the present invention is prepared, can effectively suppress the invasion of oxygen and microorganism, keep the nutritional ingredient of longan to greatest extent, and the fresh-keeping quality of longan is high.
Description
【Technical field】
The present invention relates to postharvest technology of fruits and vegetables field, and in particular to a kind of preparation method of antistaling agent for longan.
【Background technology】
Longan is a kind of important subtropical zone famous and high-quality fruit of southern china, is mainly distributed on Fujian, Guangxi, Guangdong, Hainan
Saved with Taiwan etc..High temperature season of the longan maturity period in the 7-9 months, since its fruit water content and sugar content are high, respiration is prosperous
Contain, the nutriment of storage consumes soon, and moisture evaporation is big, therefore easily causes kernel of peel volume, pulp autolysis and fruit rotten
It is rotten to wait quality deterioration.In addition, hot and humid condition is mushrooming out for longan fruit surface pathogen bacterium, fruit easily rots to become
Matter.Therefore longan is extremely not shelf-stable, rot completely within one week in storage in room temperature, the shelf-life end, seriously constrain longan
Long range transportation and sales, are unfavorable for the development of longan industry.
Therefore, the control of longan Post-harvest quality deterioration becomes the upper urgent problem to be solved of extending longan shelf life transport.
【The content of the invention】
The goal of the invention of the present invention is：For above-mentioned problem, there is provided a kind of preparation method of antistaling agent for longan.
The antistaling agent safety and environmental protection that the present invention is prepared, can effectively suppress the invasion of oxygen and microorganism, keep dragon to greatest extent
The nutritional ingredient of eye, the fresh-keeping quality of longan are high.
To achieve these goals, the technical solution adopted by the present invention is as follows：
A kind of preparation method of antistaling agent for longan, comprises the following steps：
(1) raw material weighs：By weight, following raw materials according component is weighed：5-10 parts of lotus leaf, 5-8 parts of Hyssopus officinalis, cloves 4-
0.5-1.5 parts of 8 parts, 1-2 parts of lactobacillus plantarum, 0.2-0.5 parts of saccharomyces cerevisiae, 1-3 parts of Chitosan and Glucomannan；
(2) fermentation process：The lotus leaf weighed, Hyssopus officinalis and cloves are mixed after carrying out low-temperature grinding, uniformly admix title
The lactobacillus plantarum and saccharomyces cerevisiae taken, at a temperature of 33-35 DEG C, ferment 30-35h under the humidity of 72-74%, must ferment
Thing；
(3) extract：By volume 1:6-8 is toward distilled water is added in the fermentate, using ultrasonication 30-35min
Afterwards, filtrate is filtered to obtain, the filtrate is subjected to rotary evaporation to volume is original volume 2/5, obtains extract；
(4) mix：By said extracted thing and the Chitosan weighed, Glucomannan after mixing, add and steam
Distilled water stirs evenly, you can obtains the antistaling agent.
Further, in step (1), by weight, following raw materials according component is weighed：8 parts of lotus leaf, 7 parts of Hyssopus officinalis, cloves
0.8 part of 5 parts, 1.5 parts of lactobacillus plantarum, 0.4 part of saccharomyces cerevisiae, 2 parts of Chitosan and Glucomannan.
Further, in step (2), the particle diameter after the lotus leaf, Hyssopus officinalis and cloves crush is 50-60 mesh.
Further, the ethanol and 1-2% that mass ratio is respectively 8-10% are added with step (3), in the distilled water
Acetone.
Further, in step (3), the ultrasonic temperature is 30-32 DEG C, power 200-250W.
Further, in step (4), the mass concentration of the antistaling agent is 2.5-3.5%.
In conclusion by adopting the above-described technical solution, the beneficial effects of the invention are as follows：
Materials safety in the antistaling agent of the present invention is degradable, and the feature of environmental protection is good, and each interaction between component, can effectively carry
Height suppresses the ability of the invasion of oxygen and microorganism, keeps the nutritional ingredient of longan to greatest extent, and the fresh-keeping quality of longan is high.
Wherein, lotus leaf, Hyssopus officinalis and cloves collective effect, 11.3-14.2% is improved relative to the fungistatic effect of one-component；Into one
Step, the extract for being fermented using lactobacillus plantarum and saccharomyces cerevisiae and using ultrasonic wave extraction to handle, further
Fungistatic effect is improved, and relative to unfermentable extract, extract of the invention can reduce the respiratory intensity of longan
19.8-22.4%, improves fresh-keeping effect；In addition, the Chitosan and Glucomannan collective effect that add, can be in longan
The good film of surface forming properties, so that the invasion of extraneous oxygen and microorganism has effectively been organized, relative to Chitosan
Or Glucomannan, the pericarp membrane membranous permeation rate of the longan of the mixture processing of Chitosan and Glucomannan are only
50.26%, reduce 8.95-10.47%.
【Embodiment】
Below in conjunction with specific embodiment, the present invention is further illustrated.
Embodiment 1
A kind of preparation method of antistaling agent for longan, comprises the following steps：
(1) raw material weighs：By weight, following raw materials according component is weighed：5 parts of lotus leaf, 5 parts of Hyssopus officinalis, 4 parts of cloves, plant
0.5 part of 1 part of thing lactobacillus, 0.2 part of saccharomyces cerevisiae, 1 part of Chitosan and Glucomannan；
(2) fermentation process：It is 50 mesh that the lotus leaf weighed, Hyssopus officinalis and cloves, which are mixed, and carry out low-temperature grinding to particle diameter
Afterwards, the lactobacillus plantarum and saccharomyces cerevisiae weighed is uniformly admixed, at a temperature of 33 DEG C, ferment 30h under 72% humidity, obtains
Fermentate；
(3) extract：By volume 1:6 are added with the ethanol and 1% that mass ratio is respectively 8% toward addition in the fermentate
Acetone distilled water, after using temperature as the ultrasonication 30min that 30 DEG C, power are 200W, filter to obtain filtrate, will described in
Filtrate carries out rotary evaporation to volume is original volume 2/5, obtains extract；
(4) mix：By said extracted thing and the Chitosan weighed, Glucomannan after mixing, add and steam
Distilled water stirs evenly, you can obtains the antistaling agent that mass concentration is 2.5%.
Embodiment 2
A kind of preparation method of antistaling agent for longan, comprises the following steps：
(1) raw material weighs：By weight, following raw materials according component is weighed：By weight, following raw materials according component is weighed：
8 parts of lotus leaf, 7 parts of Hyssopus officinalis, 5 parts of cloves, 1.5 parts of lactobacillus plantarum, 0.4 part of saccharomyces cerevisiae, 2 parts of Chitosan and Portugal are sweet
0.8 part of glycan；
(2) fermentation process：It is 55 mesh that the lotus leaf weighed, Hyssopus officinalis and cloves, which are mixed, and carry out low-temperature grinding to particle diameter
Afterwards, the lactobacillus plantarum and saccharomyces cerevisiae weighed is uniformly admixed, at a temperature of 34 DEG C, ferment 33h under 73% humidity, obtains
Fermentate；
(3) extract：By volume 1:7 toward add in the fermentate added with mass ratio be respectively 9% ethanol and
The distilled water of 1.5% acetone, after using temperature as the ultrasonication 33min that 31 DEG C, power are 220W, filters to obtain filtrate,
The filtrate is subjected to rotary evaporation to volume is original volume 2/5, obtains extract；
(4) mix：By said extracted thing and the Chitosan weighed, Glucomannan after mixing, add and steam
Distilled water stirs evenly, you can obtains the antistaling agent that mass concentration is 3%.
Embodiment 3
A kind of preparation method of antistaling agent for longan, comprises the following steps：
(1) raw material weighs：By weight, following raw materials according component is weighed：10 parts of lotus leaf, 8 parts of Hyssopus officinalis, 8 parts of cloves, plant
1.5 parts of 2 parts of thing lactobacillus, 0.5 part of saccharomyces cerevisiae, 3 parts of Chitosan and Glucomannan；
(2) fermentation process：It is 60 mesh that the lotus leaf weighed, Hyssopus officinalis and cloves, which are mixed, and carry out low-temperature grinding to particle diameter
Afterwards, the lactobacillus plantarum and saccharomyces cerevisiae weighed is uniformly admixed, at a temperature of 35 DEG C, ferment 35h under 74% humidity, obtains
Fermentate；
(3) extract：By volume 1:8 toward add in the fermentate added with mass ratio be respectively 10% ethanol and
The distilled water of 2% acetone, after using temperature as the ultrasonication 35min that 32 DEG C, power are 250W, filters to obtain filtrate, will
The filtrate carries out rotary evaporation to volume is original volume 2/5, obtains extract；
(4) mix：By said extracted thing and the Chitosan weighed, Glucomannan after mixing, add and steam
Distilled water stirs evenly, you can obtains the antistaling agent that mass concentration is 3.5%.
Compliance test result：The longan handled using the antistaling agent of 1-3 of the embodiment of the present invention is used as experimental group 1-3；With in embodiment 1
Only without the lotus leaf of fermentation process, Hyssopus officinalis and the extracting solution of cloves and lactobacillus plantarum, saccharomyces cerevisiae, Chitosan
The antistaling agent processing longan being mixed with Glucomannan as a comparison case 1；With in embodiment 1 only without the lotus of fermentation process
The antistaling agent processing longan conduct pair that leaf, Hyssopus officinalis and the extracting solution of cloves are mixed with Chitosan and Glucomannan
Ratio 2；It is fresh-keeping to be only mixed in embodiment 1 by lactobacillus plantarum, saccharomyces cerevisiae, Chitosan and Glucomannan
Agent processing longan as a comparison case 3.Healthy fruit, weight-loss ratio and nutrient content after the above-mentioned each group longan storage 60d of Observe and measure,
As a result Tables 1 and 2 is seen respectively：
The healthy fruit and weight-loss ratio of 1 each group longan of table
| Group | Experimental group 1 | Experimental group 2 | Experimental group 3 | Comparative example 1 | Comparative example 2 | Comparative example 3 |
| Healthy fruit (%) | 90.5 | 91.3 | 89.7 | 81.4 | 78.6 | 74.6 |
| Weight-loss ratio (%) | 2.45 | 2.42 | 2.47 | 2.82 | 2.99 | 3.11 |
As shown in Table 1, after storing 60d, the longan healthy fruit of the antistaling agent processing of experimental group 1-3 is above comparative example 1-3,
And weight-loss ratio is below comparative example 1-3, thus can be explained, each component in antistaling agent for longan of the present invention has interaction,
The deteriorating time of longan can effectively be delayed, and it is of good preservation effect.
The nutrient content of 2 each group longan of table
As shown in Table 2, the longan pulp of antistaling agent processing of experimental group 1-3 and the nutrient content of pericarp are respectively provided with preferably
Effect is kept, is superior to comparative example 1-3, illustrating each component of antistaling agent of the present invention has interaction, can effectively reduce each
The loss late of a nutrient content, and the exterior quality of pericarp also has preferable holding effect, and then effectively improve longan
Fresh-keeping effect.
Described above is the detailed description for the present invention preferably possible embodiments, but embodiment is not limited to this hair
Bright patent claim, equal change or the modification change completed under the technical spirit suggested by all present invention, should all belong to
Cover the scope of the claims in the present invention.
Claims (6)
1. a kind of preparation method of antistaling agent for longan, it is characterised in that comprise the following steps：
(1) raw material weighs：By weight, following raw materials according component is weighed：5-10 parts of lotus leaf, 5-8 parts of Hyssopus officinalis, 4-8 parts of cloves,
0.5-1.5 parts of 1-2 parts of lactobacillus plantarum, 0.2-0.5 parts of saccharomyces cerevisiae, 1-3 parts of Chitosan and Glucomannan；
(2) fermentation process：The lotus leaf weighed, Hyssopus officinalis and cloves are mixed after carrying out low-temperature grinding, uniformly admix and weigh
Lactobacillus plantarum and saccharomyces cerevisiae, at a temperature of 33-35 DEG C, ferment 30-35h under the humidity of 72-74%, obtains fermentate；
(3) extract：By volume 1:6-8 after ultrasonication 30-35min, takes out toward distilled water is added in the fermentate
Filtrate is filtered to obtain, the filtrate is subjected to rotary evaporation to volume is original volume 2/5, obtains extract；
(4) mix：By said extracted thing and the Chitosan weighed, Glucomannan after mixing, distilled water is added
Stir evenly, you can obtain the antistaling agent.
2. a kind of preparation method of antistaling agent for longan according to claim 1, it is characterised in that in step (1), by weight
Meter, weighs following raw materials according component：8 parts of lotus leaf, 7 parts of Hyssopus officinalis, 5 parts of cloves, 1.5 parts of lactobacillus plantarum, 0.4 part of saccharomyces cerevisiae,
0.8 part of 2 parts of Chitosan and Glucomannan.
A kind of 3. preparation method of antistaling agent for longan according to claim 1, it is characterised in that in step (2), the lotus
Particle diameter after leaf, Hyssopus officinalis and cloves crush is 50-60 mesh.
A kind of 4. preparation method of antistaling agent for longan according to claim 1, it is characterised in that in step (3), the distillation
Added with mass ratio it is respectively the ethanol of 8-10% and the acetone of 1-2% in water.
A kind of 5. preparation method of antistaling agent for longan according to claim 1, it is characterised in that in step (3), the ultrasound
Temperature be 30-32 DEG C, power 200-250W.
6. a kind of preparation method of antistaling agent for longan according to claim 1, it is characterised in that described fresh-keeping in step (4)
The mass concentration of agent is 2.5-3.5%.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114600950A (en) * | 2022-01-26 | 2022-06-10 | 四川农业大学 | Preparation method and application of hansenula polymorpha antistaling agent |
| CN118160776A (en) * | 2024-05-14 | 2024-06-11 | 西南林业大学 | Long-acting preservative for fruits and preparation method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114600950A (en) * | 2022-01-26 | 2022-06-10 | 四川农业大学 | Preparation method and application of hansenula polymorpha antistaling agent |
| CN118160776A (en) * | 2024-05-14 | 2024-06-11 | 西南林业大学 | Long-acting preservative for fruits and preparation method thereof |
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