CN101253884B - Composite antistaling agent for storing wild rice stem and method of preparing the same - Google Patents
Composite antistaling agent for storing wild rice stem and method of preparing the same Download PDFInfo
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- CN101253884B CN101253884B CN2008100603164A CN200810060316A CN101253884B CN 101253884 B CN101253884 B CN 101253884B CN 2008100603164 A CN2008100603164 A CN 2008100603164A CN 200810060316 A CN200810060316 A CN 200810060316A CN 101253884 B CN101253884 B CN 101253884B
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- 235000002636 Zizania aquatica Nutrition 0.000 title claims abstract description 42
- 241000746966 Zizania Species 0.000 title claims description 38
- 239000002131 composite material Substances 0.000 title claims description 25
- 238000000034 method Methods 0.000 title abstract description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 25
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims abstract description 18
- DPXJVFZANSGRMM-UHFFFAOYSA-N acetic acid;2,3,4,5,6-pentahydroxyhexanal;sodium Chemical compound [Na].CC(O)=O.OCC(O)C(O)C(O)C(O)C=O DPXJVFZANSGRMM-UHFFFAOYSA-N 0.000 claims abstract description 17
- 239000001768 carboxy methyl cellulose Substances 0.000 claims abstract description 16
- 235000019812 sodium carboxymethyl cellulose Nutrition 0.000 claims abstract description 16
- 229920001027 sodium carboxymethylcellulose Polymers 0.000 claims abstract description 16
- 229910000019 calcium carbonate Inorganic materials 0.000 claims abstract description 14
- 239000003755 preservative agent Substances 0.000 claims description 21
- 230000002335 preservative effect Effects 0.000 claims description 17
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 claims description 8
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 claims description 8
- 239000011734 sodium Substances 0.000 claims description 8
- 229910052708 sodium Inorganic materials 0.000 claims description 8
- 239000003795 chemical substances by application Substances 0.000 abstract description 6
- 238000001816 cooling Methods 0.000 abstract description 5
- 238000010438 heat treatment Methods 0.000 abstract description 5
- 238000003756 stirring Methods 0.000 abstract description 5
- 238000003860 storage Methods 0.000 abstract description 4
- 240000000300 Zizania aquatica Species 0.000 abstract 4
- 150000001875 compounds Chemical class 0.000 abstract 4
- PPASLZSBLFJQEF-RKJRWTFHSA-M sodium erythorbate Chemical compound [Na+].OC[C@@H](O)[C@H]1OC(=O)C(O)=C1[O-] PPASLZSBLFJQEF-RKJRWTFHSA-M 0.000 abstract 2
- RYYKJJJTJZKILX-UHFFFAOYSA-M sodium octadecanoate Chemical compound [Na+].CCCCCCCCCCCCCCCCCC([O-])=O RYYKJJJTJZKILX-UHFFFAOYSA-M 0.000 abstract 2
- 238000001035 drying Methods 0.000 abstract 1
- 238000002156 mixing Methods 0.000 abstract 1
- 238000002791 soaking Methods 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 8
- 235000012055 fruits and vegetables Nutrition 0.000 description 7
- 238000002360 preparation method Methods 0.000 description 7
- 235000013399 edible fruits Nutrition 0.000 description 5
- 238000004321 preservation Methods 0.000 description 5
- 230000018044 dehydration Effects 0.000 description 4
- 238000006297 dehydration reaction Methods 0.000 description 4
- 230000004048 modification Effects 0.000 description 4
- 238000012986 modification Methods 0.000 description 4
- 239000004033 plastic Substances 0.000 description 4
- 229920003023 plastic Polymers 0.000 description 4
- 238000012545 processing Methods 0.000 description 4
- 241000607479 Yersinia pestis Species 0.000 description 3
- 201000010099 disease Diseases 0.000 description 3
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000011160 research Methods 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 2
- 239000007888 film coating Substances 0.000 description 2
- 238000009501 film coating Methods 0.000 description 2
- 239000005022 packaging material Substances 0.000 description 2
- 238000012856 packing Methods 0.000 description 2
- 230000000241 respiratory effect Effects 0.000 description 2
- 231100000419 toxicity Toxicity 0.000 description 2
- 230000001988 toxicity Effects 0.000 description 2
- 235000013311 vegetables Nutrition 0.000 description 2
- 244000119012 Bequaertiodendron magalismontanum Species 0.000 description 1
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 1
- 208000008589 Obesity Diseases 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 1
- 229910010413 TiO 2 Inorganic materials 0.000 description 1
- 238000004220 aggregation Methods 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- 230000002547 anomalous effect Effects 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 239000008280 blood Substances 0.000 description 1
- 210000004369 blood Anatomy 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 238000004320 controlled atmosphere Methods 0.000 description 1
- 235000013325 dietary fiber Nutrition 0.000 description 1
- 239000000796 flavoring agent Substances 0.000 description 1
- 235000019634 flavors Nutrition 0.000 description 1
- 235000013305 food Nutrition 0.000 description 1
- 235000021022 fresh fruits Nutrition 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 150000004676 glycans Chemical class 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 208000015181 infectious disease Diseases 0.000 description 1
- 239000011256 inorganic filler Substances 0.000 description 1
- 229910003475 inorganic filler Inorganic materials 0.000 description 1
- 230000004060 metabolic process Effects 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
- 239000002086 nanomaterial Substances 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
- 230000003000 nontoxic effect Effects 0.000 description 1
- 235000008935 nutritious Nutrition 0.000 description 1
- 235000020824 obesity Nutrition 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 244000052769 pathogen Species 0.000 description 1
- 230000001717 pathogenic effect Effects 0.000 description 1
- 230000035479 physiological effects, processes and functions Effects 0.000 description 1
- -1 polyethylene Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 229920001282 polysaccharide Polymers 0.000 description 1
- 239000005017 polysaccharide Substances 0.000 description 1
- 229920000915 polyvinyl chloride Polymers 0.000 description 1
- 239000004800 polyvinyl chloride Substances 0.000 description 1
- 230000003449 preventive effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 230000036387 respiratory rate Effects 0.000 description 1
- 230000033764 rhythmic process Effects 0.000 description 1
- 229910052814 silicon oxide Inorganic materials 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000009967 tasteless effect Effects 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
- 230000005068 transpiration Effects 0.000 description 1
- 208000016261 weight loss Diseases 0.000 description 1
- 230000004580 weight loss Effects 0.000 description 1
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- Agricultural Chemicals And Associated Chemicals (AREA)
- Cereal-Derived Products (AREA)
Abstract
A compound antistaling agent for preserving the zizania aquatica is provided with the formula components by mass percent as follows: nanon calcium carbonate 0.05%-0.15 %, sodium stearate 0.01%-0.03%, sodium carboxymethylcellulose 1%-2%, sodium D-isoascorbate 0.5%-1.5% and water for the rest. The method for preparing the compound antistaling agent measuring in every 10 liters includes the steps: adding 5-15g nanon calcium carbonate to the water at the temperature of 70-90 DEG C, stirring evenly and insulating, adding 1-3g sodium stearate, producing one liter, insulating for 30-60 min in water bath and modifying; heating and dissolving 100-200g sodium carboxymethylcellulose in the water, cooling, adding 50-150g sodium D-isoascorbate, producing 9 liters; evenly mixing the two solutions and obtaining the compound antistaling agent for preserving the zizania aquatica. The method includes soaking the shelled zizania aquatica in the compound antistaling agent for 3-5 min, dragging out of the antistaling agent, drying and preserving. The method can effectively prevent the zizania aquatica from browning and losing water, maintain the eating quality and the commodity value and extend the storage period.
Description
Technical field
The invention belongs to the applied chemistry technical field, relate to a kind of preservation technique of agricultural product, be specifically related to a kind of composite preservative of wild rice stem and preparation method thereof that shells that is used to preserve.
Background technology
Wild rice stem is the aquatic vegetable of China's special product, and its quality is tender and crisp, and delicious flavour is nutritious and be loved by the people.Particularly its rich dietary fiber has significant preventive effect to modern civilization is sick as obesity, high fat of blood etc.At present wild rice stem is mainly sold with the form of band shell, because the hay shell accounts for the weight of wild rice stem about 30%, and cleans and shells rather loaded down with trivial detailsly, influences urban health.The wild rice stem that shells is compared with band shell wild rice stem, has characteristics such as instant, cleaning and edible rate height and enjoys consumer's favor.We call slight processing fruits and vegetables to this through the fresh fruit of vegetables that cleans, removes the peel simple processing such as (stoning), cutting, finishing, classification, packing.Along with the quickening of people's rhythm of life, slightly process fruits and vegetables because of reducing the favor of consumer's housework, edible convenient, clean, advantage more and more is subjected to numerous families such as high-quality is fresh.Yet, in the processing that wild rice stem shells, because the mechanical damage that cutting causes will be induced the ANOMALOUS VARIATIONS of a series of Physiology and biochemistries, the increase of for example surperficial brown stain, dehydration shrinkage, the generation of hindering ethene, respiratory rate etc., thus cause its quality to descend rapidly; And increased the infection by microorganisms chance, and compare easier corruption with band shell wild rice stem, shorten shelf life greatly and reduced commodity value.
At present commercial adopt aggregation wrapper films such as polyethylene, polyvinyl chloride etc. as slight processing fruits and vegetables packaging material, yet these polymeric materials are difficult for decomposing in natural environment, retain for a long time and can bring severe contamination, characteristics such as the part material is toxic, easily environment is produced " white pollution ", so people expect novel biodegradable nontoxic food fresh keeping packaging material.Sodium carboxymethylcellulose is a kind of natural polysaccharide edible film coating antistaling agent, has the source and enriches, and is biodegradable, nonpoisonous and tasteless, do not have the residual toxicity problem, thereby becomes the focus of the research and development of packaging for foodstuff in recent years.The film that sodium carboxymethylcellulose forms in fruit surface coating back, for fruit is created little controlled atmosphere environment, play the effect that is similar to the single fruit controlled atmospheric packing, owing to have certain resistance oxygen and block water vapour and good tensile strength, can reduce the respiratory intensity and the transpiration of fruits and vegetables effectively, make respiratory intensity be in optimum range, effectively slowed down the gas exchange of fruit, and minimizing dehydration, reduce the consumption of nutriment, reduce the rotten loss that causes because of infecting of pathogen, regulate the physiological metabolism after fruit is adopted, thereby the freshness that keeps fruits and vegetables, the shelf-life that prolongs fruits and vegetables.But because of the mechanical strength of sodium carboxymethylcellulose institute film forming is low, and very responsive to water, so must improve to its performance.The interpolation nano material improves its fresh-keeping effect in conventional edible film-coating materials such as sodium carboxymethylcellulose becomes current research focus.Present Nano Silver, nano-TiO
2, nanometer SiOx etc. is applied to preserving fruit and vegetable utilizing that report is all arranged, but also is in the starting stage for the fresh-keeping research of nano-calcium carbonate.Calcium carbonate is a kind of broad-spectrum inorganic filler, advantages such as it is wide to have the source, and cost is low, and toxicity is little, expand the scope of application of calcium carbonate greatly, be widely used in each side such as rubber industry, plastics industry, paper industry, coatings industry, daily use chemicals and medical industry.And nano-calcium carbonate helps the research of film to yet there are no report as sodium carboxymethylcellulose.
Summary of the invention
The purpose of this invention is to provide and a kind ofly suppress wild rice stem fruit browning and dehydration and prolong composite preservative of wild rice stem storage time and preparation method thereof.
The prescription that the present invention is used for the composite preservative of storing wild rice stem consists of: mass percent is nano-calcium carbonate, the odium stearate of 0.01%-0.03%, the sodium carboxymethylcellulose of 1%-2%, the different Vc sodium of 0.5-1.5%D-of 0.05%-0.15%, and surplus is a water.
A kind of mass percent that preferably is used for the composite preservative of storing wild rice stem is: 0.1% nano-calcium carbonate, 0.02% odium stearate, 1.5% the different Vc sodium of sodium carboxymethylcellulose, 1%D-, surplus is a water.
The preparation method that the present invention is used for the composite preservative of storing wild rice stem is: in per 10 liters of composite preservatives: get the 5-15g nano-calcium carbonate, add 70-90 ℃ of water, stir and be incubated, add the 1-3g odium stearate then, be settled to 1 liter, 1. water bath heat preservation 30-60min modification obtains solution; Get the 100-200g sodium carboxymethylcellulose, heating for dissolving is in water, and the cooling back adds the different Vc sodium of 50-150g D-, is settled to 9 liters, obtains solution 2.; 2. 1. solution evenly mixed the composite preservative that obtains storing wild rice stem with solution.
The specific embodiment
Embodiment 1
1. get the 5g nano-calcium carbonate, add about about 1L 70 ℃ of water and stir and be incubated, add the 1g odium stearate then, be settled to 1 liter, water bath heat preservation 30min modification.2. get the 100g sodium carboxymethylcellulose, heating for dissolving is in water, and cooling back adds the different Vc sodium of 50g D-, is settled to 9 liters, and the 1 liter of solution that obtains in 1. with above-mentioned steps evenly mixes then, obtains being used for 10 liters of the composite preservatives of storing wild rice stem.
The composite preservative that is used for storing wild rice stem for preparing institute's expense in above preparation ratio and program.
Select big or small basically identical, the wild rice stem of not damaged and disease and pest is peelled off shell, soaks 3~5 minutes in above-mentioned composite fresh-keeping liquid, pulls out to dry up, and in the plastic box of then wild rice stem being packed into, places under 8~10 ℃ the temperature and preserves 6~10 days.
Embodiment 2
1. get the 10g nano-calcium carbonate, add about about 1L 80 ℃ of water and stir and be incubated, add the 2g odium stearate then, be settled to 1 liter, water bath heat preservation 45min modification.2. get the 150g sodium carboxymethylcellulose, heating for dissolving is in water, and the cooling back adds the different Vc sodium of 100g D-, is settled to 9 liters, mixes with above-mentioned 1. middle 1 liter of solution of gained then.Obtain being used for 10 liters of the composite preservatives of storing wild rice stem.
The composite preservative that is used for storing wild rice stem for preparing institute's expense in above preparation ratio and program.
Select big or small basically identical, the wild rice stem of not damaged and disease and pest is peelled off shell, soaks 3~5 minutes in above-mentioned composite fresh-keeping liquid, pulls out to dry up, and in the plastic box of then wild rice stem being packed into, places under 8~10 ℃ the temperature and preserves 6~10 days.
Embodiment 3
1. get the 15g nano-calcium carbonate, add about about 1L 90 ℃ of water and stir and be incubated, add the 3g odium stearate then, be settled to 1 liter, water bath heat preservation 60min modification.2. get the 200g sodium carboxymethylcellulose, heating for dissolving is in water, and the cooling back adds the different Vc sodium of 150g D-, is settled to 9 liters, mixes with above-mentioned 1. middle 1 liter of solution of gained then.Obtain being used for 10 liters of the composite preservatives of storing wild rice stem.
The composite preservative that is used for storing wild rice stem for preparing institute's expense in above preparation ratio and program.
Select big or small basically identical, the wild rice stem of not damaged and disease and pest is peelled off shell, soaks in above-mentioned composite fresh-keeping liquid 3-5 minute, pulls out to dry up, and in the plastic box of then wild rice stem being packed into, places under 8-10 ℃ the temperature storage 6-10 days.
The variation (%) of table 1 wild rice stem weight-loss ratio
Handle | 2 days | 4 days | 6 days | 8 days | 10 days |
The A group | 3.1 | 5.8 | 7.6 | 9.7 | 11.3 |
The B group | 1.8 | 2.7 | 3.8 | 4.9 | 6.7 |
The C group | 1.9 | 2.6 | 3.5 | 4.7 | 6.3 |
The D group | 1.6 | 2.2 | 3.1 | 4.3 | 5.8 |
The E group | 1.5 | 2.4 | 3.4 | 4.4 | 6.0 |
The variation of table 2 wild rice stem browning index
Handle | 2 days | 4 days | 6 days | 8 days | 10 days |
The A group | 0.4 | 1.2 | 2.3 | 2.9 | 3.3 |
The B group | 0.2 | 0.7 | 1.3 | 2.1 | 2.4 |
The C group | 0.2 | 0.6 | 1.2 | 1.5 | 1.9 |
The D group | 0.2 | 0.4 | 0.7 | 1.1 | 1.5 |
The E group | 0.3 | 0.5 | 0.9 | 1.4 | 2.1 |
Wherein:
The A group is the fresh-keeping effect of clear water contrast;
The B group is for adding the fresh-keeping effect that sodium carboxymethylcellulose is filmed in the clear water;
The C group is the fresh-keeping effect of embodiment 1;
The D group is the fresh-keeping effect of embodiment 2;
The E group is the fresh-keeping effect of embodiment 3.
The assessment of browning index according to wild rice stem surface brown stain area size, is divided into 5 grades with browning degree.0 grade of no brown stain, 35%~50%, 4 grades of brown stain area>50% of 20%~35%, 3 grades of brown degree areas of 1 grade of brown stain area<20,2 grade brown stain area.Computing formula: browning index=∑ (brown stain rank * this number of levels)/(check total).Browning index is greater than 2, and we think and have lost commodity value basically.
As can be seen from the above table, composite preservative of the present invention is handled the brown stain and the dehydration that can effectively suppress the wild rice stem surface, the group that its effect obviously is better than control group and only adds sodium carboxymethylcellulose, under 8~10 ℃, can preserve 8~10 days, and contrast can only be preserved 4~6 days, and composite preservative is handled comparison and prolonged 4~5 days according to storage time.Therefore, composite preservative of the present invention can effectively be kept the quality of wild rice stem, prolongs the shelf-life of wild rice stem.
Claims (2)
1. composite preservative that is used for storing wild rice stem, it is characterized in that: the prescription that is used for the composite preservative of storing wild rice stem consists of: mass percent is 0.05~0.15% nano-calcium carbonate, 0.01~0.03% odium stearate, 1~2% the different Vc sodium of sodium carboxymethylcellulose, 0.5~1.5%D-, and surplus is a water.
2. a kind of according to claim 1 composite preservative that is used for storing wild rice stem, it is characterized in that: the mass percent as the composite preservative that preferably is used for storing wild rice stem is: 0.1% nano-calcium carbonate, 0.02% odium stearate, 1.5% the different Vc sodium of sodium carboxymethylcellulose, 1%D-, surplus is a water.
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CN101461419B (en) * | 2009-01-15 | 2011-04-06 | 浙江大学 | Biological preservative for preventing and treating diseases of garden stuff and preparation method thereof |
CN102578222B (en) * | 2012-03-19 | 2013-04-24 | 浙江大学 | Nanometer composite preservative used for peeled sugarcanes and preparation method of same |
CN104642516A (en) * | 2014-06-24 | 2015-05-27 | 何松 | Method for preserving cane shoots |
CN107447576A (en) * | 2017-07-11 | 2017-12-08 | 合肥龙发包装有限公司 | A kind of preparation method of the significant corrugated case of fresh-keeping effect |
WO2022025829A1 (en) * | 2020-07-29 | 2022-02-03 | Eden Agritech Co., Ltd. | A method for synthesizing carboxymethylcellulose-based composite film for prolonging shelf life |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
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CN1505992A (en) * | 2002-12-13 | 2004-06-23 | 国家农产品保鲜工程技术研究中心(天津 | Cyclopropene preservative with double functions of anticorrosion and keeping freshness |
CN1541066A (en) * | 2001-06-28 | 2004-10-27 | Compsn. for coating fruis, vegetables and fowl eggs, esp. useful for organic produce | |
CN1726789A (en) * | 2005-07-21 | 2006-02-01 | 浙江大学 | Composite antistaling agent for restraining lignification of bamboo shoot, and method of use |
CN101103740A (en) * | 2007-07-27 | 2008-01-16 | 湖北省农业科学院农产品加工与核农技术研究所 | Aquatic vegetable anti-staling agent |
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Publication number | Priority date | Publication date | Assignee | Title |
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CN1541066A (en) * | 2001-06-28 | 2004-10-27 | Compsn. for coating fruis, vegetables and fowl eggs, esp. useful for organic produce | |
CN1505992A (en) * | 2002-12-13 | 2004-06-23 | 国家农产品保鲜工程技术研究中心(天津 | Cyclopropene preservative with double functions of anticorrosion and keeping freshness |
CN1726789A (en) * | 2005-07-21 | 2006-02-01 | 浙江大学 | Composite antistaling agent for restraining lignification of bamboo shoot, and method of use |
CN101103740A (en) * | 2007-07-27 | 2008-01-16 | 湖北省农业科学院农产品加工与核农技术研究所 | Aquatic vegetable anti-staling agent |
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