CN104920604B - A kind of method that galic essential oil chitosan compelx coating suppresses aspergillus flavus pollution - Google Patents
A kind of method that galic essential oil chitosan compelx coating suppresses aspergillus flavus pollution Download PDFInfo
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- CN104920604B CN104920604B CN201410783019.8A CN201410783019A CN104920604B CN 104920604 B CN104920604 B CN 104920604B CN 201410783019 A CN201410783019 A CN 201410783019A CN 104920604 B CN104920604 B CN 104920604B
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- essential oil
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- aspergillus flavus
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P60/00—Technologies relating to agriculture, livestock or agroalimentary industries
- Y02P60/80—Food processing, e.g. use of renewable energies or variable speed drives in handling, conveying or stacking
- Y02P60/85—Food storage or conservation, e.g. cooling or drying
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Abstract
The invention discloses the method that galic essential oil chitosan compelx coating suppresses aspergillus flavus pollution, comprise the following steps：First food additives galic essential oil is added in shelled peanut, it is well mixed in closed container, galic essential oil is set to be uniformly adhered to the surface of shelled peanut, chitosan coating liquid is applied to shelled peanut surface again, the coating film structure of shelled peanut galic essential oil chitosan is formed from the inside to surface, so as to effectively prevent the volatilization of galic essential oil, reach the efficient suppression of Aspergillus flavus；The peanut of film is put into the rapid draing of microwave dryer progress coating liquid, obtains film peanut room temperature storage.The present invention provides a kind of efficient compelx coating method for suppressing the pollution of aspergillus flavus bacterium, and this method can effectively suppress Aspergillus flavus in peanut and infect, and it is simple to operate, quick, energy consumption is low, be adapted to green, environmental protection, the industrial production demand of energy-conservation.
Description
Technical field
The present invention relates to the method that galic essential oil-chitosan compelx coating suppresses aspergillus flavus pollution, belongs to food peace
Entirely and manufacture field.
Background technology
Aflatoxin (Aflatoxin, AFT) is one kind mainly by aspergillus flavus (Aspergillus flavus) and parasitism
The mycetogenetic secondary metabolites such as aspergillus (Aspergillus parasiticus), there is strong carcinogenicity and mutagenesis
Property.Peanut is to be easiest to infect one of crops of aspergillus flavus, and aflatoxin has high compatibility to peanut.In peanut
Storage transportation in, easily cause the Aspergillus flavus infected to breed because peanut contains abundant nutriment, so as to make
Into the pollution of Aflatoxin in Peanut byHigh.
Aspergillus flavus is seriously polluted in China's peanut and its product at present, and investigation is found, Jiangsu, Shanghai, Guangdong, Guangxi, good fortune
Build, aflatoxin B1 (AFB1) exceeded phenomenon is relatively common in the main grain oil product in the Liver Cancer such as Sichuan disease area.Ding Xiao
Rosy clouds report that the aspergillus flavus total amount recall rate of China's postpartum peanut is up to 29.6%.Aflatoxin contamination drastically influence peanut system
The edible safety of product and international trade, it has also become restrict the maximum restriction factor of Peanut Industry Development and edible safety, therefore
Control the pollution of Aflatoxin in Peanut byHigh imperative.
Coating method is the method using coating or spraying by plastics, and one layer of elastic film, suppression are formed on peanut surface
Its respiration is made, prevents the breeding of microorganism, then is dried, original peanut holding conditions such as low temperature, low humidity, can be herein
On the basis of greatly prolong its storage phase, can effectively suppress the growth and breeding of microorganism, have efficient, easy, cheap etc.
Advantage, application prospect are extensive.
Garlic (Allium sativum L.) also known as calabash, galic essential oil are a kind of yellow oily liquid, have strong garlic odour
Taste, main component are that allicin (allcin) is GIUCOSinoate (C6H10S2O), are main in galic essential oil
Sterilization component, its sterilizing ability are hundred times of penicillin.We have found during plants essential oil aspergillus flavus-resistance mould is studied, greatly
Garlic essential oil can efficiently suppress the growth of Aspergillus flavus, breeding, as a result see Fig. 1.It will be seen from figure 1 that galic essential oil can be very
The growth and breeding of good suppression Aspergillus flavus.Galic essential oil has very strong oxidation resistance, and main matter composition is in garlic oil
A variety of sulfide, it has very strong antioxidation activity, is good natural reducing agent.
Chitosan has preferable filming performance and water-soluble energy.The surface of food is covered in, forms one layer of natural life
Thing pellicle, can prevent the invasion of microorganism to a certain extent, and chitosan coordinates galic essential oil effectively to kill bag
Include the harmful microorganism on the surfaces of cultivating peanut including Aspergillus flavus more, including the characteristics of with safe and non-toxic, wide material sources.At present
It there are no the research report that galic essential oil-chitosan compelx coating suppresses aspergillus flavus pollution.
Galic essential oil is volatile, if only directly mixed galic essential oil in chitosan coating liquid, carries out peanut film, greatly
Garlic essential oil largely can be evaporate into air, hardly enter and antibacterial effect is played in peanut；Apply in membrane product drying process, mesh
It is preceding using hot-air seasoning, this quadrat method time length, high energy consumption, be not suitable for the needs of large-scale industrial production.
The content of the invention
In order to efficiently suppress the pollution of Aflatoxin in Peanut byHigh, waving for bacteriostatic agent-galic essential oil during film is prevented
Hair, and can fast and efficiently dry coating liquid, the invention provides a kind of galic essential oil-chitosan compelx coating to suppress flower
Raw aspergillus flavus pollution, the method for galic essential oil is wrapped up by chitosan prevents the volatilization of galic essential oil, while uses microwave drying
Method rapid draing peanut coating liquid.
The present invention to achieve the above object, adopts the following technical scheme that.
The method that a kind of galic essential oil-chitosan compelx coating suppresses aspergillus flavus pollution, comprises the following steps：
(1) food additives galic essential oil is added in shelled peanut, being well mixed in closed container makes garlic smart
Oil is uniformly adhered to the surface of shelled peanut, then chitosan coating liquid is applied into shelled peanut surface, from the inside to surface formed shelled peanut-
The coating film structure of galic essential oil-chitosan.
(2) peanut of film is put into the rapid draing of microwave dryer progress coating liquid, obtains film peanut, normal temperature storage
Hide.
The addition of galic essential oil described in step (1) of the present invention is 0.4-0.6ul/g peanuts；The system of chitosan coating liquid
Preparation Method is：3.1-4.4g Chitosan powder is weighed in conical flask, is dissolved among the 1L aqueous solution, adds 0.5-0.9g food
Additive glycerine, stirs, and is heated to being completely dissolved.After being cooled to room temperature, chitosan coating liquid is obtained；Shelled peanut and shell
Mixed proportion (the g of glycan coating liquid:Ml it is) 10:2—10:4.
The condition of microwave drying described in step (2) of the present invention is：Microwave output power is 400-600w, and drying temperature is
40-50 DEG C, drying time 60-90S.
Brief description of the drawings
Fig. 1 is the Aspergillus flavus growing way figure for not adding galic essential oil.
Fig. 2 is galic essential oil to Aspergillus flavus inhibitory action design sketch.
Embodiment
Embodiment 1
40ul food additives galic essential oils are added in 100g shelled peanuts, are well mixed in closed container, then are added
Enter 20ml0.33% chitosan coating liquid, stir, it is microwave to be put into microwave dryer and microwave drying condition is dried
Power output is 400w, and drying temperature is 45 DEG C, drying time 70S, obtains film peanut, room temperature storage.
Embodiment 2
50ul food additives galic essential oils are added in 100g shelled peanuts, are well mixed in closed container, then are added
Enter 35ml0.35% chitosan coating liquid, stir, it is microwave to be put into microwave dryer and microwave drying condition is dried
Power output is 500w, and drying temperature is 50 DEG C, drying time 60S, obtains film peanut, room temperature storage.
Embodiment 3
60ul food additives galic essential oils are added in 100g shelled peanuts, are well mixed in closed container, then are added
Enter 25ml0.4% chitosan coating liquid, stir, it is that microwave is defeated to be put into microwave dryer and microwave drying condition is dried
It is 600w to go out power, and drying temperature is 40 DEG C, drying time 90S, obtains film peanut, room temperature storage.
Claims (4)
1. the method that a kind of galic essential oil-chitosan compelx coating suppresses aspergillus flavus pollution, it is characterised in that：Including following
Step：
（1）Food additives galic essential oil is added in shelled peanut, being well mixed in closed container makes galic essential oil equal
The even surface for being attached to shelled peanut, then chitosan coating liquid is applied to shelled peanut surface, shelled peanut-garlic is formed from the inside to surface
The coating film structure of essential oil-chitosan；
（2）The peanut of film is put into the rapid draing of microwave dryer progress coating liquid, obtains film peanut, room temperature storage；
Step（1）The addition of described galic essential oil is 0.4-0.6 μ L/g peanuts.
2. the method that galic essential oil according to claim 1-chitosan compelx coating suppresses aspergillus flavus pollution, its
It is characterised by step（1）The preparation method of described chitosan coating liquid is：3.1-4.4g Chitosan powder is weighed in taper
In bottle, it is dissolved among the 1L aqueous solution, adds 0.5-0.9g food additives glycerine, stir, be heated to being completely dissolved；Treat cold
But to after room temperature, chitosan coating liquid is obtained.
3. the method that galic essential oil according to claim 1-chitosan compelx coating suppresses aspergillus flavus pollution, its
It is characterised by step（1）The mixed proportion of the shelled peanut and chitosan coating liquid is 10g:2—4mL.
4. the method that galic essential oil according to claim 1-chitosan compelx coating suppresses aspergillus flavus pollution, its
It is characterised by step（2）The condition of described microwave drying is：Microwave output power is 400-600W, drying temperature 40-50
DEG C, drying time 60-90s.
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| CN201410783019.8A CN104920604B (en) | 2014-12-18 | 2014-12-18 | A kind of method that galic essential oil chitosan compelx coating suppresses aspergillus flavus pollution |
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| CN201410783019.8A CN104920604B (en) | 2014-12-18 | 2014-12-18 | A kind of method that galic essential oil chitosan compelx coating suppresses aspergillus flavus pollution |
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| CN104920604A CN104920604A (en) | 2015-09-23 |
| CN104920604B true CN104920604B (en) | 2018-01-30 |
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| CN108514026B (en) * | 2018-04-16 | 2021-05-04 | 齐鲁工业大学 | Fresh-cut fruit and vegetable composite preservative and using method thereof |
| CN111134177A (en) * | 2020-02-20 | 2020-05-12 | 哈尔滨学院 | Slow-release mildew inhibitor for peanut storage and preparation method thereof |
| CN115444029B (en) * | 2022-08-12 | 2023-11-21 | 四川天味食品集团股份有限公司 | Method for controlling nitrite in cold storage process of prefabricated vegetable dishes |
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| CN101606550A (en) * | 2009-07-21 | 2009-12-23 | 贵州大学 | A kind of natural volatile solid fruit and vegetable fresh-keeping agent and preparation method thereof |
| CN101690513A (en) * | 2009-09-29 | 2010-04-07 | 广东省微生物研究所 | Biological macromolecular coating anti-staling agent for litchi |
| CN102334545A (en) * | 2011-08-26 | 2012-02-01 | 山东省花生研究所 | Aspergillus flavus infection-resistant peanut-coating storage method |
| CN102524363A (en) * | 2012-01-10 | 2012-07-04 | 宁波大学 | Antiseptic and fresh keeping method for oranges |
| CN103300142A (en) * | 2013-05-08 | 2013-09-18 | 南京年吉冷冻食品有限公司 | Method for preparing tender and fresh keeping agent of green corn |
| CN104098793A (en) * | 2014-06-30 | 2014-10-15 | 安徽巢湖南方膜业有限责任公司 | Carboxymethyl-chitosan compound fresh-keeping film and preparation method thereof |
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2014
- 2014-12-18 CN CN201410783019.8A patent/CN104920604B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101606550A (en) * | 2009-07-21 | 2009-12-23 | 贵州大学 | A kind of natural volatile solid fruit and vegetable fresh-keeping agent and preparation method thereof |
| CN101690513A (en) * | 2009-09-29 | 2010-04-07 | 广东省微生物研究所 | Biological macromolecular coating anti-staling agent for litchi |
| CN102334545A (en) * | 2011-08-26 | 2012-02-01 | 山东省花生研究所 | Aspergillus flavus infection-resistant peanut-coating storage method |
| CN102524363A (en) * | 2012-01-10 | 2012-07-04 | 宁波大学 | Antiseptic and fresh keeping method for oranges |
| CN103300142A (en) * | 2013-05-08 | 2013-09-18 | 南京年吉冷冻食品有限公司 | Method for preparing tender and fresh keeping agent of green corn |
| CN104098793A (en) * | 2014-06-30 | 2014-10-15 | 安徽巢湖南方膜业有限责任公司 | Carboxymethyl-chitosan compound fresh-keeping film and preparation method thereof |
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