CN107996697A - A kind of Chinese yam antistaling agent, preparation method and Chinese yam normal temperature fresh-keeping method - Google Patents
A kind of Chinese yam antistaling agent, preparation method and Chinese yam normal temperature fresh-keeping method Download PDFInfo
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- CN107996697A CN107996697A CN201711240117.7A CN201711240117A CN107996697A CN 107996697 A CN107996697 A CN 107996697A CN 201711240117 A CN201711240117 A CN 201711240117A CN 107996697 A CN107996697 A CN 107996697A
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- Prior art keywords
- chinese yam
- antistaling agent
- aqueous solution
- copper
- lime aqueous
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- 235000002722 Dioscorea batatas Nutrition 0.000 title claims abstract description 108
- 235000006536 Dioscorea esculenta Nutrition 0.000 title claims abstract description 108
- 240000001811 Dioscorea oppositifolia Species 0.000 title claims abstract description 108
- 235000003416 Dioscorea oppositifolia Nutrition 0.000 title claims abstract description 108
- 238000000034 method Methods 0.000 title claims abstract description 21
- 238000002360 preparation method Methods 0.000 title claims abstract description 6
- 244000089742 Citrus aurantifolia Species 0.000 claims abstract description 38
- 235000008733 Citrus aurantifolia Nutrition 0.000 claims abstract description 38
- 235000011941 Tilia x europaea Nutrition 0.000 claims abstract description 38
- 239000004571 lime Substances 0.000 claims abstract description 38
- 239000007864 aqueous solution Substances 0.000 claims abstract description 30
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 29
- 239000002689 soil Substances 0.000 claims abstract description 17
- 238000004806 packaging method and process Methods 0.000 claims abstract description 7
- 238000009423 ventilation Methods 0.000 claims abstract description 5
- 238000012856 packing Methods 0.000 claims description 18
- 238000003756 stirring Methods 0.000 claims description 16
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 13
- ARUVKPQLZAKDPS-UHFFFAOYSA-L copper(II) sulfate Chemical compound [Cu+2].[O-][S+2]([O-])([O-])[O-] ARUVKPQLZAKDPS-UHFFFAOYSA-L 0.000 claims description 11
- 239000004927 clay Substances 0.000 claims description 6
- 235000012255 calcium oxide Nutrition 0.000 claims description 5
- 238000002844 melting Methods 0.000 claims description 4
- 230000008018 melting Effects 0.000 claims description 4
- 239000000203 mixture Substances 0.000 claims description 4
- 239000006228 supernatant Substances 0.000 claims description 4
- ODINCKMPIJJUCX-UHFFFAOYSA-N Calcium oxide Chemical compound [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 claims 2
- 239000000292 calcium oxide Substances 0.000 claims 1
- 238000009738 saturating Methods 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 6
- 235000016709 nutrition Nutrition 0.000 abstract description 3
- 238000004321 preservation Methods 0.000 abstract description 3
- 239000004615 ingredient Substances 0.000 abstract description 2
- 239000003755 preservative agent Substances 0.000 abstract description 2
- 239000000243 solution Substances 0.000 description 10
- 230000000052 comparative effect Effects 0.000 description 9
- 235000019738 Limestone Nutrition 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 5
- 239000006028 limestone Substances 0.000 description 5
- 231100000331 toxic Toxicity 0.000 description 4
- 230000002588 toxic effect Effects 0.000 description 4
- 235000013311 vegetables Nutrition 0.000 description 4
- 230000007812 deficiency Effects 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 239000000575 pesticide Substances 0.000 description 3
- 230000001954 sterilising effect Effects 0.000 description 3
- JPVYNHNXODAKFH-UHFFFAOYSA-N Cu2+ Chemical compound [Cu+2] JPVYNHNXODAKFH-UHFFFAOYSA-N 0.000 description 2
- 244000017020 Ipomoea batatas Species 0.000 description 2
- 235000002678 Ipomoea batatas Nutrition 0.000 description 2
- 239000005708 Sodium hypochlorite Substances 0.000 description 2
- 229910001431 copper ion Inorganic materials 0.000 description 2
- 238000007598 dipping method Methods 0.000 description 2
- 239000003814 drug Substances 0.000 description 2
- 229940079593 drug Drugs 0.000 description 2
- SUKJFIGYRHOWBL-UHFFFAOYSA-N sodium hypochlorite Chemical compound [Na+].Cl[O-] SUKJFIGYRHOWBL-UHFFFAOYSA-N 0.000 description 2
- 235000001674 Agaricus brunnescens Nutrition 0.000 description 1
- 241000233866 Fungi Species 0.000 description 1
- MKYBYDHXWVHEJW-UHFFFAOYSA-N N-[1-oxo-1-(2,4,6,7-tetrahydrotriazolo[4,5-c]pyridin-5-yl)propan-2-yl]-2-[[3-(trifluoromethoxy)phenyl]methylamino]pyrimidine-5-carboxamide Chemical compound O=C(C(C)NC(=O)C=1C=NC(=NC=1)NCC1=CC(=CC=C1)OC(F)(F)F)N1CC2=C(CC1)NN=N2 MKYBYDHXWVHEJW-UHFFFAOYSA-N 0.000 description 1
- 244000061456 Solanum tuberosum Species 0.000 description 1
- 235000002595 Solanum tuberosum Nutrition 0.000 description 1
- 230000000844 anti-bacterial effect Effects 0.000 description 1
- 230000001580 bacterial effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- AEJIMXVJZFYIHN-UHFFFAOYSA-N copper;dihydrate Chemical compound O.O.[Cu] AEJIMXVJZFYIHN-UHFFFAOYSA-N 0.000 description 1
- 230000000254 damaging effect Effects 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 230000000855 fungicidal effect Effects 0.000 description 1
- 239000000417 fungicide Substances 0.000 description 1
- 239000010977 jade Substances 0.000 description 1
- 230000002147 killing effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
- 230000003000 nontoxic effect Effects 0.000 description 1
- 230000035764 nutrition Effects 0.000 description 1
- 235000008935 nutritious Nutrition 0.000 description 1
- 230000000144 pharmacologic effect Effects 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23B—PRESERVATION OF FOODS, FOODSTUFFS OR NON-ALCOHOLIC BEVERAGES; CHEMICAL RIPENING OF FRUIT OR VEGETABLES
- A23B7/00—Preservation of fruit or vegetables; 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
- A23B—PRESERVATION OF FOODS, FOODSTUFFS OR NON-ALCOHOLIC BEVERAGES; CHEMICAL RIPENING OF FRUIT OR VEGETABLES
- A23B7/00—Preservation of fruit or vegetables; Chemical ripening of fruit or vegetables
- A23B7/14—Preserving or ripening with chemicals not covered by group A23B7/08 or A23B7/10
- A23B7/153—Preserving or ripening with chemicals not covered by group A23B7/08 or A23B7/10 in the form of liquids or solids
- A23B7/157—Inorganic compounds
-
- 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)
- Inorganic Chemistry (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
Abstract
The invention discloses a kind of Chinese yam antistaling agent, preparation method and Chinese yam normal temperature fresh-keeping method, it is 10 that the Chinese yam antistaling agent, which includes weight proportion,:0.5~2:1.5~3 deep subsoil soil：Copper-bath：The foundry loam that lime aqueous solution is configured to.A kind of Chinese yam normal temperature fresh-keeping method, Chinese yam removing LU to be saved is cut, sealed immediately using the Chinese yam antistaling agent, uniformly adhere to one layer of foundry loam of 1~3mm thickness in Chinese yam cut out portion, Chinese yam is cased, to uniform sprinkling lime aqueous solution on every layer of Chinese yam in binning process, by light tight packaging bag doubling, ventilation Temperature fall is placed on, storehouse can be entered when temperature is down to 3~5 DEG C, room temperature preserves.The Chinese yam Cutting surface preservative agent of the present invention, will not destroy the mouthfeel and nutritional ingredient of Chinese yam, and simple and easy to do to the storage method of Chinese yam, of low cost, easy to operate, storage time length, and Chinese yam is of good preservation effect.
Description
Technical field
The present invention relates to the fresh-keeping storage technology of vegetables, and in particular to a kind of normal-temperature fresh-keeping technology of Chinese yam.
Background technology
Chinese yam, i.e. Chinese yam, alias RHIIZOMA DIOSCOREAE from Henan of China, Chinese yam rhizome, native potato, sweet potato, sweet potato, jade prolong, and are a kind of very nutritious
And the vegetables with a variety of nourishings and pharmacologic action.Chinese yam belongs to the vegetables of shelf-stable in vegetables, but under normal condition also not
The cut out portion of long period, especially Chinese yam is easily preserved, is easily rotted.
The processing of the prior art middle notch fresh-keeping to Chinese yam is general using the way for dipping lime, such as Patent No.
The disclosed preservation technology to Chinese yam of the patent of invention of 200710015376.X, using after Chinese yam notch dips pulverized limestone by mountain
Medicine code heap, is preserved using constant temperature after sodium hypochlorite humidification filler filling.This storage method can also store the long period, still
Chinese yam notch after being handled using pulverized limestone, is the strong bactericidal properties using lime, so that mould cannot be numerous on Chinese yam wound
Grow, but these strong pulverized limestones have Chinese yam very strong damaging action at the same time, and the part that Chinese yam head has 1~3 centimetre is hardened, shadow
Ring mouthfeel or cannot eat, also there is hypotoxicity and corrosivity using sodium hypochlorite.And this preservation needs constant temperature, is not suitable for
General home storage.
The content of the invention
First technical problem to be solved by this invention be：In view of the deficienciess of the prior art, providing one kind does not make
With any toxic component or pesticide, the Chinese yam antistaling agent with regard to good storage and fresh-keeping effect can be reached.
Second technical problem to be solved by this invention be：In view of the deficienciess of the prior art, providing one kind does not make
With any toxic component or pesticide, the preparation method with regard to the Chinese yam antistaling agent of storage and fresh-keeping effect well can be reached.
3rd technical problem to be solved by this invention be：In view of the deficienciess of the prior art, provide a kind of Chinese yam
Normal temperature fresh-keeping method, without using any toxic component or pesticide, storage method is simple, Chinese yam storage time is long and nutrition into
Dividing to be lost in.
To solve above-mentioned first technical problem, the technical scheme is that：
A kind of Chinese yam antistaling agent, it is 10 that the Chinese yam antistaling agent, which includes weight proportion,:0.5~2:1.5~3 deep subsoil
Soil：Copper-bath：The foundry loam that lime aqueous solution is configured to；The copper-bath is that the copper sulphate of 0.1~1.0wt% is molten
Liquid；The lime aqueous solution is the lime aqueous solution of 0.5~2.0wt%.
As a kind of preferable technical solution, the deep subsoil soil be the black clay that is dug out from below 1 meter of underground or
Person's yellow clay.Crop field deep soil is chosen, it is more glutinous better.
As a kind of preferable technical solution, the foundry loam has in the enough adhesion strengths of Chinese yam cut out portion.
To solve above-mentioned second technical problem, the technical scheme is that：
The preparation method of Chinese yam antistaling agent, comprises the following steps：
(1) copper-bath is prepared：1~10 gram of agricultural copper sulphate is taken to add 1kg water, uniform stirring, until melting completely.
(2) lime aqueous solution is prepared：0.5~2.0kg quick limes are taken, adds in 50kg water and stirs, until lime is completely molten
Solution, is stirred for 5~10 minutes, stand 4 it is small when more than, take supernatant, and clear water presses 1:1 ratio mixture.
(3) foundry loam is prepared：Take the deep subsoil soil below 1 meter of underground, first add the copper sulphate that step (1) is prepared
Solution stirs evenly, and adds the lime aqueous solution that step (2) is prepared, uniform stirring is uniform, and it is fresh-keeping to obtain the Chinese yam
Agent.
To solve above-mentioned 3rd technical problem, the technical scheme is that：
A kind of Chinese yam normal temperature fresh-keeping method, using the Chinese yam antistaling agent, comprises the following steps：
(1) packing case, the light tight packaging bag of packing case liner are got out according to Chinese yam length.
(2) by Chinese yam removing LU to be saved, cut with the length of clean blade as required.
(3) notch of the Chinese yam after cutting is sealed using the Chinese yam antistaling agent immediately, uniformly attached in Chinese yam cut out portion
One layer of foundry loam of 1~3mm thickness.
(4) Chinese yam is cased to packing case flat mouth, to uniform sprinkling lime aqueous solution on every layer of Chinese yam in binning process.
(5) light tight packaging bag doubling is interlocked more than 10cm, make it is slightly ventilative in bag, to radiate.
(6) after case packing being packed, ventilation Temperature fall is placed on, storehouse can be entered when temperature is down to 3~5 DEG C, room temperature is protected
Deposit.
As a kind of preferable technical solution, in step (4), the uniform lime of 0.5~2.0wt% of sprinkling into packing case
Aqueous solution；The fountain height of the lime aqueous solution is 0.3~0.5wt% of Chinese yam weight.
As a kind of preferable technical solution, the deep subsoil soil be the black clay that is dug out from below 1 meter of underground or
Person's yellow clay.
As a kind of preferable technical solution, the packing case is carton or the plastic box with air hole.
By adopting the above-described technical solution, the beneficial effects of the invention are as follows：
It is 10 that the Chinese yam antistaling agent of the present invention, which includes weight proportion,:0.5~2:1.5~3 deep subsoil soil：Copper sulphate is molten
Liquid：The foundry loam that lime aqueous solution is configured to；The copper-bath is the copper-bath of 0.1~1.0wt%；The limewash
Solution is the lime aqueous solution of 0.5~2.0wt%.Copper sulphate is a kind of fungicide having no toxic side effect, and copper ion therein is right
Various mushrooms have very strong killing effect.Limewash reduces damage of the carbonate-free lime powder to Chinese yam, nontoxic, in alkalescence, profit
The principle survived in alkaline conditions is unsuitable for bacterial fungus, and the present invention utilizes sterilizing function, the lime of copper ion
The sterilizing function of water, and both formed compound Kocide SD sterilizing function, be used alone pulverized limestone, limewash or
The effect that copper-bath is used alone is completely different.
The present invention use the limewash compounded and copper sulphate not only not to destroy the mouth of Chinese yam as Chinese yam Cutting surface preservative agent
Sense and nutritional ingredient, and, of low cost, easy to operate, storage time length simple and easy to do to the storage method of Chinese yam, Chinese yam are fresh-keeping
Effect is good, is the nuisanceless Chinese yam storage new model for being adapted to Chinese yam storage, was both adapted to large scale storage also to be adapted for home storage.
Embodiment
With reference to specific embodiment, the present invention is further explained.It is to be understood that these embodiments are merely to illustrate this hair
It is bright rather than limit the scope of the invention.In addition, it should also be understood that, after reading the content taught by the present invention, art technology
Personnel can make various changes or modifications the present invention, and such equivalent forms equally fall within the application the appended claims and limited
Fixed scope.
Embodiment 1
A kind of Chinese yam antistaling agent, it is 10 that the Chinese yam antistaling agent, which includes weight proportion,:1:2 deep subsoil soil：Copper sulphate
Solution：The foundry loam that lime aqueous solution is configured to；The copper-bath is the copper-bath of 0.4wt%；The lime is water-soluble
Liquid is the lime aqueous solution of 1.5wt%.
Embodiment 2
Prepare copper-bath：5 grams of agricultural copper sulphate are taken to add 1kg water, uniform stirring, until melting completely.
Prepare lime aqueous solution：2.0kg quick limes are taken, adds in 50kg water and stirs, until lime is completely dissolved, are stirred for
5 minutes, stand 4 it is small when more than, take supernatant, and clear water presses 1:1 ratio mixture.
Prepare foundry loam：Take the deep subsoil soil below 1 meter of underground, be 10 according to weight proportion:1:2, first add and prepare
Obtained copper-bath stirs evenly, and adds the lime aqueous solution being prepared, and uniform stirring is uniform, obtains the Chinese yam
Antistaling agent.
Embodiment 3
Prepare copper-bath：4 grams of agricultural copper sulphate are taken to add 1kg water, uniform stirring, until melting completely.
Prepare lime aqueous solution：1.2kg quick limes are taken, adds in 50kg water and stirs, until lime is completely dissolved, are stirred for
6 minutes, stand 4 it is small when more than, take supernatant, and clear water presses 1:1 ratio mixture.
Prepare foundry loam：Take the deep subsoil soil below 1 meter of underground, be 10 according to weight proportion:1.2:2.2, first add
The copper-bath being prepared stirs evenly, and adds the lime aqueous solution being prepared, and uniform stirring is uniform, obtains described
Chinese yam antistaling agent.
Embodiment 4
(1) packing case, the light tight packaging bag of packing case liner are got out according to Chinese yam length.
(2) by Chinese yam removing LU to be saved, cut with the length of clean blade as required.
(3) notch of the Chinese yam after cutting is sealed using the Chinese yam antistaling agent immediately, uniformly attached in Chinese yam cut out portion
The foundry loam that one layer of embodiment 2 of 1~2mm thickness is prepared.
(4) Chinese yam is cased to packing case flat mouth, to the uniform lime of sprinkling 1.2wt% on every layer of Chinese yam in binning process
Aqueous solution, fountain height are the 0.3wt% of Chinese yam weight.
(5) light tight packaging bag doubling is interlocked more than 10cm, make it is slightly ventilative in bag, to radiate.
(6) after case packing being packed, ventilation Temperature fall is placed on, storehouse can be entered when temperature is down to 3~5 DEG C, room temperature is protected
Deposit.
Embodiment 5
(1) carton that length is 40-50cm, packing case liner black plastic bag are got out according to Chinese yam length.
(2) by Chinese yam removing LU to be saved, cut with clean blade according to the length being adapted with carton.
(3) notch of the Chinese yam after cutting is sealed using the Chinese yam antistaling agent immediately, uniformly attached in Chinese yam cut out portion
The foundry loam of one layer of embodiment 1 of 1mm thickness.
(4) Chinese yam is cased to packing case flat mouth, to the uniform lime of sprinkling 0.8wt% on every layer of Chinese yam in binning process
Aqueous solution, fountain height are the 0.5wt% of Chinese yam weight.
(5) black plastic bag doubling is interlocked more than 10cm, make it is slightly ventilative in bag, to radiate.
(6) ventilation Temperature fall after packed in cases, being placed on, storehouse can be entered when temperature is down to 3~5 DEG C, room temperature preserves,
Try not to stamp greatly, cotton-wadded quilt is capped when it is cold, keep more than zero degree.
Comparative example 1
As different from Example 5, Chinese yam notch does not make any processing to comparative example 1.
Comparative example 2
As different from Example 5, Chinese yam notch dips in pulverized limestone to comparative example 2.
Comparative example 3
As different from Example 5, the foundry loam that Chinese yam notch uses uses deep subsoil soil and 1.5wt%'s to comparative example 3
Lime aqueous solution is according to 10:3 weight ratio is mixed to get, and does not contain copper-bath.
Comparative example 4
Comparative example 4 as different from Example 5, uses deep subsoil soil and 0.4wt% in the foundry loam that Chinese yam notch uses
Copper-bath according to 10:3 weight ratio is mixed to get, and does not contain lime aqueous solution.
Example 5 and processed 6 casees of Chinese yam of comparative example 1-4 respectively, same normal temperature storage 6 months, every month check
Once (being respectively December 1, January 1,1 day 2 months, March 1, April 1, May 1) checks Chinese yam storage situation such as following table.
As it can be seen that Chinese yam notch is handled using the Chinese yam antistaling agent of the present invention, and storing and fresh-keeping according to the invention
Method is stored, and more than 6 months Chinese yam serviceability rates are preserved under room temperature more than 99%, there is no it is rotten, it is and traditional
The method storage Chinese yam serviceability rate for dipping in pulverized limestone is relatively low.Mountain when only using copper sulphate in Chinese yam antistaling agent with limewash or only
Medicine rotting rate all significantly improves.
Claims (8)
- A kind of 1. Chinese yam antistaling agent, it is characterised in that：It is 10 that the Chinese yam antistaling agent, which includes weight proportion,:0.5~2:1.5~3 Deep subsoil soil：Copper-bath：The foundry loam that lime aqueous solution is configured to；The copper-bath is 0.1~1.0wt%'s Copper-bath；The lime aqueous solution is the lime aqueous solution of 0.5~2.0wt%.
- 2. Chinese yam antistaling agent as claimed in claim 1, it is characterised in that：The deep subsoil soil is dug from below 1 meter of underground The deep subsoil soil gone out.
- 3. Chinese yam antistaling agent as claimed in claim 1, it is characterised in that：The foundry loam has enough in Chinese yam cut out portion Adhesion strength.
- 4. the preparation method of Chinese yam antistaling agent as claimed in claim 1, it is characterised in that comprise the following steps：(1) copper-bath is prepared：1~10 gram of agricultural copper sulphate is taken to add 1kg water, uniform stirring, until melting completely；(2) lime aqueous solution is prepared：0.5~2.0kg quick limes are taken, adds in 50kg water and stirs, until quick lime is completely dissolved, Be stirred for 5~10 minutes, stand 4 it is small when more than, take supernatant, and clear water presses 1:1 ratio mixture；(3) foundry loam is prepared：Take the deep subsoil soil below 1 meter of underground, first add the copper-bath that step (1) is prepared Stir evenly, add the lime aqueous solution that step (2) is prepared, uniform stirring is uniform, obtains the Chinese yam antistaling agent.
- 5. a kind of Chinese yam normal temperature fresh-keeping method, it is characterised in that the Chinese yam antistaling agent described in usage right requirement 1, including following step Suddenly：(1) packing case, the light tight packaging bag of packing case liner are got out according to Chinese yam length；(2) by Chinese yam removing LU to be saved, cut with clean blade；(3) cut after Chinese yam notch immediately using the Chinese yam antistaling agent seal, Chinese yam cut out portion uniformly attachment 1~ One layer of foundry loam of 3mm thickness；(4) Chinese yam is cased to packing case flat mouth, to uniform sprinkling lime aqueous solution on every layer of Chinese yam in binning process；(5) light tight packaging bag doubling is interlocked more than 10cm, make it is slightly ventilative in bag, to radiate；(6) after case packing being packed, ventilation Temperature fall is placed on, storehouse can be entered when temperature is down to 3~5 DEG C, room temperature preserves.
- 6. Chinese yam normal temperature fresh-keeping method as claimed in claim 5, it is characterised in that：In step (4), uniformly sprayed into packing case Spill the lime aqueous solution of 0.5~2.0wt%；The fountain height of the lime aqueous solution is 0.3~0.5wt% of Chinese yam weight.
- 7. Chinese yam normal temperature fresh-keeping method as claimed in claim 5, it is characterised in that：The deep subsoil soil is from 1 meter of underground The black clay or yellow clay dug out below.
- 8. Chinese yam normal temperature fresh-keeping method as claimed in claim 5, it is characterised in that：The packing case is for carton or with saturating The plastic box of stomata.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110915885A (en) * | 2019-12-17 | 2020-03-27 | 江西省农业科学院 | Chinese yam preservative, preparation method and Chinese yam room-temperature preservation method |
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2017
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