CN1044313C - Antistaling agent compn. and prepn. thereof - Google Patents
Antistaling agent compn. and prepn. thereof Download PDFInfo
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- CN1044313C CN1044313C CN94107293A CN94107293A CN1044313C CN 1044313 C CN1044313 C CN 1044313C CN 94107293 A CN94107293 A CN 94107293A CN 94107293 A CN94107293 A CN 94107293A CN 1044313 C CN1044313 C CN 1044313C
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- water
- ethanol
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- polyvinyl alcohol
- violet absorber
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- Agricultural Chemicals And Associated Chemicals (AREA)
Abstract
The present invention relates to an antistaling agent composition which comprises polyvinyl alcohol, a germicide, an ultraviolet absorbent, alcohol and water. A preparation method of the present invention comprises the following steps: steeping polyvinyl alcohol by water to be soft; then warming and stirring for dissolving and combining with a solution of the germicide and ultraviolet absorbent; finally adjusting the content of each component by alcohol and water. The optimized germicide is made of chloramine T (one major component is p-toluene clofenamide sodium salt) or a mixture of the chloramine T and cationic quaternary ammonium salt. The optimized ultraviolet absorbent is made of UV-9 Ultraviolet absorbent (one major component is 2-ethylhexyl salicylate).
Description
The present invention relates to preservative composition and system affair method thereof.More particularly, relate to foodstuff preservative composition and preparation method thereof.
The antistaling agent scope of application of selling on the market is all narrower now, especially when being used for fruit, only is applicable to the fruit (as apple, citrus etc.) that has toughness epidermis or abundant epidermis.Soft easily split the fruit (as peach, Chinese gooseberry etc.) of epidermis and the fresh-keeping problem of berries (as lichee, mango etc.) for having, all fail fine solution at present in the world.In recent years people to have developed a series of be the preservative composition of main component with the sorbic acid or derivatives thereof, this class antistaling agent is compared with the antistaling agent in past, it mainly is the problem that has solved sanitary standard, because this class antistaling agent does not contain harmful materials such as nitrous acid, yet this class antistaling agent still can not solve the fresh-keeping problem of berry fruits such as peach, lichee, mango.
The objective of the invention is to provide a kind of wide spectrum preservative composition that can be applicable to varieties of food items (comprising fish, meat, vegetables, fruit, especially berries such as peach, lichee, mango) and preparation method thereof.
The inventor has carried out deep research at the above-mentioned shortcoming of existing antistaling agent, found that, if in conventional preservative composition, add a certain amount of polyvinyl alcohol, can on the surface of food such as fruit, egg, fish, meat, form the film that one deck has certain toughness, the thickness of this layer film and toughness thereof are enough in a long time (for example more than 15 days or more than 6 months, look different food and different) prevent the intrusion of bacterium, also allow food such as fruit, egg to breathe normally simultaneously, thereby play good preservation.Based on this discovery, so far make and finished the present invention.
The feature of the basic scheme of preservative composition of the present invention is that it contains following ingredients (percentage by weight):
Polyvinyl alcohol 5-15%
Bactericide 0.05-5%
Ultra-violet absorber 0.01-0.08%
The second alcohol and water (ethanol 30-60%,
Water 70-40%)
Surplus.
The reason of the consumption of polyvinyl alcohol being made qualification is, when its consumption is less than 5%, be not enough to form the film that can prevent effectively that bacterium from invading, and when its consumption greater than 15% the time, too thick so that some food of film that forms, for example fruit, egg etc. can't be breathed normally, therefore are unfavorable for fresh-keeping on the contrary.So its content is defined as 5-15%.Belong to general known technology as for bactericide, its kind does not have strict restriction, as long as nontoxic to human body.Its consumption is according to different bactericide and different, and is general in the scope of 0.05-5 weight %.Ultra-violet absorber also belongs to known technology, and its effect is the ultraviolet ray that absorbs in the sunlight, plays a kind of anti-sunlight function, so also claim sun-screening agent (its kind does not have strict restriction yet).Its consumption is the difference with its kind also, but general in the scope of 0.01-0.08 weight %.The second alcohol and water mainly plays the component ratio regulating action, and its consumption is to guarantee polyvinyl alcohol.The content of bactericide, ultra-violet absorber is in respectively in the top restricted portion.And guarantee ethanol: water accords with ethanol 30-60%, water 70-40%, and this mainly is more conducive to sterilization and fresh-keeping because ethanol and water are in this proportion.
The present invention also provides a kind of preparation method of preservative composition, it is characterized in that:
Employing contains the prescription (percentage by weight) of following ingredients:
Polyvinyl alcohol 5-15%
Bactericide 0.05-5%
Ultra-violet absorber 0.01-0.08%
The second alcohol and water (ethanol 30-60%,
Water 70-40%)
Surplus.
Use following steps:
(1) polyvinyl alcohol is dipped to soft with low amounts of water, heats then, be stirred to polyvinyl alcohol simultaneously and all dissolve to more than 40 ℃;
(2) will kill agent and dissolve, again this solution be integrated with step with low amounts of water
(1) in the solution and stir;
(3) ultra-violet absorber is dissolved with small amount of ethanol, then this solution is integrated with in the solution of step (2) and stirred;
(4) regulate the content of each composition with ethanol and/or water, make ethanol: water accords with ethanol 30-60%: water 70-40%, and make the content of other compositions meet above-mentioned prescription restricted portion.
In addition, the inventor also finds, (another name takes off the Lamine, and main component is to toluene Clofenamide sodium salt, and chemical formula is C to be used as the oronain T of bactericide in medical system
7H
7O
2NaSNCl3H
2O) also can be used as antistaling agent, the especially fruits of foodstuff or the antistaling agent of eggs, this is that it can make fruit or eggs young bird hold eupnea because oronain T itself has the effect of oxygenation, therefore more helps the fresh-keeping of fruit or birds, beasts and eggs.That is to say that the inventor finds that oronain T is a kind of preferred antistaling agent, when with it as the bactericide time spent in the above-mentioned prescription, its amount ranges is 0.05-0.5 weight %.
The inventor also finds, though usually a little less than the sterilizing power of sterilizing power as the cation quaternary ammonium salt of bactericide than oronain T, its consumption generally is equivalent to 10 times of oronain T approximately, 0.5-5 weight % just, if but when cation quaternary ammonium salt is used in combination with oronain T, can strengthen the penetration of oronain T, its result plays a kind of synergy, has improved the bactericidal effect of oronain T.Wherein ideal with dodecyl benzyl dimethyl ammonium chloride, when it was used in combination with oronain T, preferably the consumption 0.1-0.5 weight % with oronain T was a standard, replaces the oronain T of 1 weight portion with the dodecyl benzyl dimethyl ammonium chloride of 10 weight portions.For example, when the oronain T of 0.5 weight % is used in decision,, can use 0.4 weight % oronain T to add 1 weight % cation quaternary ammonium salt or 0.3 weight % oronain T adds 2 weight % cation quaternary ammonium salts as being used in combination with cation quaternary ammonium salt.The better fit weight range of the two is that 0.1-0.4 weight % oronain T adds 1-4 weight % cation quaternary ammonium salt.
The inventor also finds in addition, and in numerous ultra-violet absorbers, comparatively desirable with commercially available UV-9 type ultra-violet absorber (main component is the 2-WMO), its amount ranges in prescription is 0.01-0.08 weight %.
That is to say that the better formula of preservative composition of the present invention contains following ingredients (percentage by weight):
Polyvinyl alcohol 5-15%
Oronain T 0.05-5%
UV-9 type ultra-violet absorber 0.01-0.08%
The second alcohol and water (ethanol 30-60%,
Water 70-40%) surplus.
And the more preferably prescription of preservative composition of the present invention contains following ingredients (percentage by weight):
Polyvinyl alcohol 5-15%
Oronain T 0.1-0.4%
Dodecyl benzyl dimethyl ammonium chloride 1-4%
UV-9 type ultra-violet absorber 0.01-0.08%
The second alcohol and water (ethanol 30-60%,
Water 70-40%) surplus.
The compound method of these two kinds of preferred compositions of back is substantially the same with the compound method of front basic scheme composition, its difference only is further bactericide to be defined as the mixture of oronain T or oronain T and dodecyl benzyl dimethyl ammonium chloride and ultra-violet absorber is defined as UV-9 type ultra-violet absorber, and their concrete amount ranges is made qualification.
Compare with the antistaling agent of prior art, antistaling agent of the present invention contains polyvinyl alcohol, it can form one deck at food surface can prevent the bacterium intrusion, simultaneously allow food to carry out the film of eupnea again, therefore has beyond thought outstanding fresh-keeping effect, particularly can't obtain the food of fresh-keeping effect with conventional antistaling agent for those, for example lichee, mango, peach, antistaling agent of the present invention has good fresh-keeping effect.Especially on the basis of using polyvinyl alcohol, the mixture of use oronain T or oronain T and dodecyl benzyl dimethyl ammonium chloride is as bactericide and use UV-9 type ultra-violet absorber just can further improve the fresh-keeping effect of antistaling agent of the present invention.
Embodiment 1
Adopt following prescription (percentage by weight):
Polyvinyl alcohol 8%
Dodecyl benzyl dimethyl ammonium chloride 3%
UV-9 type ultra-violet absorber 0.02%
Second alcohol and water (ethanol 55%, water 45%) surplus.
By total amount is the scale batching of 1kg.Promptly take by weighing the 80g polyvinyl alcohol, with 200g water it is dipped to softly, heat then, firmly be stirred to polyvinyl alcohol and all dissolve, make the aqueous solution 280g of polyvinyl alcohol to 45 ℃.In another container, add 30g dodecyl benzyl dimethyl ammonium chloride and 200g water, be stirred to whole dissolvings, make the aqueous solution 230g of dodecyl benzyl dimethyl ammonium chloride.Acquisition contains the aqueous solution 510g of polyvinyl alcohol and dodecyl benzyl dimethyl ammonium chloride.Take by weighing UV-9 type ultra-violet absorber 0.2g in addition, it is dissolved, make the about 40g of the ethanolic solution that contains ultra-violet absorber with 40g ethanol.Above-mentioned two kinds of solution are merged, make the aqueous solution that contains polyvinyl alcohol, dodecyl benzyl dimethyl ammonium chloride, UV-9 type ultra-violet absorber and ethanol and be about 550g, add ethanol 450g at last, obtain the preservative composition that 1kg meets above-mentioned prescription.
Carrying out to use the antistaling agent that is equivalent to object of protection 0.01% (weight) to get final product when fresh-keeping.In this embodiment, getting lichee, mango, apple, each 10kg of egg is respectively charged into 4 and carries in the basket, carry basket with these 4 and immerse respectively in the above-mentioned antistaling agent, treat that whole moistening backs, its surface are about to its proposition, place respectively then under packing and non-packing two states.Average every 10kg food consumption antistaling agent 1g.It the results are shown in Table 1.
The fresh-keeping test 1 of table 1
Fresh-keeping object is placed the apparent situation of change of fate
Lichee did not have any variation in 15 days
30 days no changes of mango
Apple no significant change in 180 days
60 days no changes of egg
Embodiment 2
Adopt following prescription (percentage by weight):
Polyvinyl alcohol 6%
Oronain T 0.3%
UV-9 type ultra-violet absorber 0.02%
Second alcohol and water (ethanol 60%, water 40%) surplus
By total amount is the scale batching of 1kg, promptly uses 60g polyvinyl alcohol, 3g oronain T, 0.2g UV-9 type ultra-violet absorber, 562g ethanol, 375g water altogether.In addition, each operating procedure and embodiment 1 are identical.The result obtains the preservative composition that 1kg meets above-mentioned prescription.In this embodiment, get lichee, honey peach, banana, each 10kg of orange, soak Preservation Treatment by the method for embodiment 1 respectively, and under packing and non-packing two states, place respectively.Average every 10kg fruit consumes antistaling agent 1g.It the results are shown in Table 2.
The fresh-keeping test 2 fresh-keeping objects of table 2 are placed the no significant change in 60 days of fate performance 20 days no change honey peach 10 days no significant change oranges of 15 days no significant change bananas of situation of change lichee
Claims (6)
1, preservative composition is characterized in that, it contains following ingredients:
The composition percentage by weight
Polyvinyl alcohol 5-15%
Bactericide 0.05-5%
Ultra-violet absorber 0.01-0.08%
Ethanol water, ethanol wherein accounts for 30-60%
Water accounts for the 70-40% surplus.
2, preservative composition as claimed in claim 1 is characterized in that, it contains following ingredients:
The composition percentage by weight
Polyvinyl alcohol 5-15%
Oronain T 0.05-0.5%
UV-9 type ultra-violet absorber 0.01-0.08%
Ethanol water, ethanol wherein accounts for 30-60%,
Water accounts for the 70-40% surplus.
3, preservative composition as claimed in claim 1 is characterized in that, it contains following ingredients:
The composition percentage by weight
Polyvinyl alcohol 5-15%
Oronain T 0.1-0.4%
Dodecyl benzyl dimethyl ammonium chloride 1-4%
UV-9 type ultra-violet absorber 0.01-0.08%
Ethanol water, ethanol wherein
Account for 30-60%, water accounts for the 70-40% surplus.
4. the preparation method of preservative composition is characterized in that, employing contains following
The prescription of composition:
The composition percentage by weight
Polyvinyl alcohol 5-15%
Bactericide 0.05-5%
Ultra-violet absorber 0.01-0.08%
Ethanol water, ethanol wherein accounts for 30-60%,
Water accounts for the 70-40% surplus, and use following steps: (1) is dipped to polyvinyl alcohol soft with low amounts of water, heat then to more than 40 ℃, is stirred to polyvinyl alcohol simultaneously and all dissolves; (2) bactericide is dissolved with low amounts of water, again this solution is integrated with in the solution of step (1) and stirred; (3) ultra-violet absorber is dissolved with small amount of ethanol, then this solution is integrated with in the solution of step (2) and stirred; (4) regulate the content of each composition with ethanol and/or water, make ethanol: water accords with ethanol 30-60 weight %: water 70-40 weight %, and make the content of other compositions meet above-mentioned prescription restricted portion.
5, preparation method as claimed in claim 4 is characterized in that, the bactericide in its prescription is oronain T, and its amount ranges is 0.05-0.5 weight %; With and the prescription in ultra-violet absorber be UV-9 type ultra-violet absorber, its amount ranges is 0.01-0.08 weight %.
6, preparation method as claimed in claim 4 is characterized in that, the bactericide in its prescription is the dodecyl benzyl dimethyl ammonium chloride that the oronain T of 0.1-0.4 weight % adds 1-4 weight %.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN94107293A CN1044313C (en) | 1994-06-27 | 1994-06-27 | Antistaling agent compn. and prepn. thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN94107293A CN1044313C (en) | 1994-06-27 | 1994-06-27 | Antistaling agent compn. and prepn. thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1098884A CN1098884A (en) | 1995-02-22 |
| CN1044313C true CN1044313C (en) | 1999-07-28 |
Family
ID=5032921
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN94107293A Expired - Fee Related CN1044313C (en) | 1994-06-27 | 1994-06-27 | Antistaling agent compn. and prepn. thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1044313C (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| IT1284128B1 (en) * | 1996-08-30 | 1998-05-08 | Dox Al Italia Spa | USE OF CHLORAMINE T IN FEED FOR CATTLE |
| CN101111150B (en) * | 2005-02-02 | 2016-03-16 | 诺瓦制药研究（澳大利亚）有限公司 | The goods that Biostatic polymer is made |
| CN103689070B (en) * | 2013-12-16 | 2015-11-04 | 苏州安特实业有限公司 | Antistaling agent for litchi and preparation method thereof |
| CN105145790A (en) * | 2015-10-23 | 2015-12-16 | 天津科技大学 | Intelligent egg film coating preservative and preparation method thereof |
| JP6322341B2 (en) * | 2016-03-31 | 2018-05-09 | 積水化学工業株式会社 | Antibacterial antiviral composition |
| CN107125301A (en) * | 2017-04-27 | 2017-09-05 | 刘帆 | A kind of method for preserving for fresh winter date |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5847429A (en) * | 1981-09-14 | 1983-03-19 | Asahi Chem Ind Co Ltd | Method of keeping freshness of fish meat |
| JPS5995844A (en) * | 1982-11-25 | 1984-06-02 | Haruo Kajitani | Packed dried meat for sukiyaki |
| JPH046065A (en) * | 1990-04-23 | 1992-01-10 | Kuraray Co Ltd | Method for maintaining freshness of perishable food |
| CN1065578A (en) * | 1991-04-08 | 1992-10-28 | 首都钢铁公司 | Fresh preserving agent for fruit and vegetable |
-
1994
- 1994-06-27 CN CN94107293A patent/CN1044313C/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5847429A (en) * | 1981-09-14 | 1983-03-19 | Asahi Chem Ind Co Ltd | Method of keeping freshness of fish meat |
| JPS5995844A (en) * | 1982-11-25 | 1984-06-02 | Haruo Kajitani | Packed dried meat for sukiyaki |
| JPH046065A (en) * | 1990-04-23 | 1992-01-10 | Kuraray Co Ltd | Method for maintaining freshness of perishable food |
| CN1065578A (en) * | 1991-04-08 | 1992-10-28 | 首都钢铁公司 | Fresh preserving agent for fruit and vegetable |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1098884A (en) | 1995-02-22 |
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