CN105104920B - A kind of method of hydrogen peroxide and Isoprothiolane in ethyl alcohol removing rice protein under neutrallty condition - Google Patents
A kind of method of hydrogen peroxide and Isoprothiolane in ethyl alcohol removing rice protein under neutrallty condition Download PDFInfo
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- CN105104920B CN105104920B CN201510469699.0A CN201510469699A CN105104920B CN 105104920 B CN105104920 B CN 105104920B CN 201510469699 A CN201510469699 A CN 201510469699A CN 105104920 B CN105104920 B CN 105104920B
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- Prior art keywords
- isoprothiolane
- rice protein
- hydrogen peroxide
- filter residue
- ethyl alcohol
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 title claims abstract description 82
- 235000007164 Oryza sativa Nutrition 0.000 title claims abstract description 63
- 235000009566 rice Nutrition 0.000 title claims abstract description 63
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 title claims abstract description 58
- 108090000623 proteins and genes Proteins 0.000 title claims abstract description 56
- 102000004169 proteins and genes Human genes 0.000 title claims abstract description 56
- UFHLMYOGRXOCSL-UHFFFAOYSA-N isoprothiolane Chemical compound CC(C)OC(=O)C(C(=O)OC(C)C)=C1SCCS1 UFHLMYOGRXOCSL-UHFFFAOYSA-N 0.000 title claims abstract description 52
- 238000000034 method Methods 0.000 title claims abstract description 50
- 235000019441 ethanol Nutrition 0.000 title claims abstract description 39
- 240000007594 Oryza sativa Species 0.000 title 1
- 241000209094 Oryza Species 0.000 claims abstract description 62
- 238000001914 filtration Methods 0.000 claims abstract description 16
- 238000003756 stirring Methods 0.000 claims abstract description 16
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 15
- 239000000463 material Substances 0.000 claims abstract description 14
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 claims abstract description 11
- 229910001882 dioxygen Inorganic materials 0.000 claims abstract description 11
- 238000012805 post-processing Methods 0.000 claims abstract description 8
- 238000012545 processing Methods 0.000 claims description 13
- RBTARNINKXHZNM-UHFFFAOYSA-K iron trichloride Chemical compound Cl[Fe](Cl)Cl RBTARNINKXHZNM-UHFFFAOYSA-K 0.000 claims description 11
- 238000002156 mixing Methods 0.000 claims description 11
- 239000000203 mixture Substances 0.000 claims description 3
- 230000001954 sterilising effect Effects 0.000 abstract description 14
- 238000011031 large-scale manufacturing process Methods 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 10
- 239000000575 pesticide Substances 0.000 description 9
- 238000001035 drying Methods 0.000 description 6
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 5
- 239000001301 oxygen Substances 0.000 description 5
- 229910052760 oxygen Inorganic materials 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 4
- 239000002689 soil Substances 0.000 description 4
- 230000015556 catabolic process Effects 0.000 description 3
- 238000006731 degradation reaction Methods 0.000 description 3
- 235000013305 food Nutrition 0.000 description 3
- 230000001976 improved effect Effects 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000002516 radical scavenger Substances 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 239000002904 solvent Substances 0.000 description 2
- 108010068370 Glutens Proteins 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 230000000844 anti-bacterial effect Effects 0.000 description 1
- 230000001580 bacterial effect Effects 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000007590 electrostatic spraying Methods 0.000 description 1
- 239000000796 flavoring agent Substances 0.000 description 1
- 235000019634 flavors Nutrition 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 230000003449 preventive effect Effects 0.000 description 1
- 238000001814 protein method Methods 0.000 description 1
- 239000002728 pyrethroid Substances 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Classifications
-
- 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
- Cereal-Derived Products (AREA)
Abstract
The invention discloses the methods of Isoprothiolane in hydrogen peroxide under a kind of neutrallty condition and ethyl alcohol removing rice protein, include the following steps：（1）Dioxygen water process：The hydrogen peroxide that the exceeded rice protein of Isoprothiolane and mass concentration are 0.5 5% is pressed 1:47 weight ratios mix, and adjust pH to 6.5 7.5,1 2h of stir process, and filtering obtains filter residue；（2）Alcohol treatment：By step（1）The ethanol solution that gained filter residue is 60% or more with mass concentration presses 1:47 weight ratios mix, 35 DEG C of 75 DEG C of stir process 1.5h 2h, and filtering to 55% or less moisture obtains filter residue；（3）Post-processing：By step（2）Gained filter residue is washed, and is dried, sterilizing, and the rice protein that Isoprothiolane content is less than 10ppb is obtained after the crushing material after sterilizing.The present invention can reach 90% or more to Isoprothiolane removal efficiency, simple for process, easy to operate, suitable large-scale production.
Description
Technical field
The present invention relates to food processing technology field, more particularly to hydrogen peroxide removes rice with ethyl alcohol under a kind of neutrallty condition
The method of Isoprothiolane in albumen.
Background technology
Pesticide use has caused extensive concern to the pollution that soil environment is brought.With the continuous hair for the technology that sprays
Exhibition, the utilization rate of pesticide is greatly improved, as pesticide efficacy can be increased to 90% by electrostatic Spraying technique, but by
In various reasons, which can not also promote and apply in production at present.Traditional pesticide application technology make pesticide after application into
Enter soil, so that soil becomes " storage " and " distribution centre " of pesticide in the environment, pollution by pesticides has become agricultural development and grinds
The important topic and hot issue studied carefully.
After Isoprothiolane was registered from 1974 as rice blast pesticide control, it is made that in terms of preventing rice blast prominent
The contribution gone out, China's most area are still using so far.Isoprothiolane be used to prevent rice blast, and to rice sheath blight disease, small
Ball sclerotiniose and bacterial leaf-blight have certain preventive effect.The rice residue exceeded using Isoprothiolane as the raw material of rice protein, directly to
The harm that rice protein product causes Isoprothiolane exceeded.U.S. FDA provides Isoprothiolane content in China's export to the food in the U.S.
10ppb is must not exceed, since 2012, FDA is served as reasons with doubtful containing Isoprothiolane, repeatedly detains China's food.Exploitation is removed
The method of Isoprothiolane becomes the problem of urgent need to resolve." Isoprothiolane degradation in the soil and its impact factor " section of Guangdong agriculture
It learns the 24th phase in 2012 to study the degradation mode of Isoprothiolane, but how to remove Isoprothiolane method and have not been reported.
Fu Xiaoyan etc. removes organophosphor and pyrethroid pesticide in kuh-seng under acid, alkaline condition with hydrogen peroxide, obtains
Good effect has been arrived, it is found that effect becomes apparent under alkaline condition, when pH is 12, removal efficiency can reach 100%, and neutral
Under the conditions of removal efficiency there was only half or so.But it is undeclared how to remove Isoprothiolane method.
Invention content
The purpose of the present invention is to provide Isoprothiolanes in hydrogen peroxide under a kind of neutrallty condition and ethyl alcohol removing rice protein
Method makes Isoprothiolane content in rice protein be less than 10ppb, to abolish the barrier of FDA settings
The technical solution adopted by the present invention to solve the technical problems is：
The method of hydrogen peroxide and Isoprothiolane in ethyl alcohol removing rice protein, includes the following steps under a kind of neutrallty condition：
（1）Dioxygen water process：The exceeded rice protein of Isoprothiolane and mass concentration are pressed 1 for the hydrogen peroxide of 0.5-5%:4-7
Weight ratio mixes, and adjusts pH to 6.5-7.5, stir process 1-2h, and filtering obtains filter residue；
Routine thinks that the function and effect of hydrogen peroxide under alkaline condition can more preferably, and the present invention is counterintuitive to use neutrallty condition
（PH to 6.5-7.5）The Isoprothiolane in rice protein is removed, this is designed for the characteristic of rice protein, because of rice egg
Alkali solubility glutelin accounts for 66%~78% in white, and removing the Isoprothiolane in rice protein with hydrogen peroxide under alkaline condition is unfavorable for protecting
Hold the quality of rice protein.
Hydrogen peroxide concentration is 0.5-5%, processing time 1-2h, and hydrogen peroxide concentration is excessively high, processing time is long or number of processes
Excessively, rice protein expansion water suction can be led to, and color mouthfeel is bad.Hydrogen peroxide pH value is adjusted to 6.5-7.5, pH is less than 6.5
Degradation efficiency is low, and pH is more than 7.5, can destroy alkali-soluble protein in rice protein, is unfavorable for keeping the quality of rice protein.
（2）Alcohol treatment：By step（1）The ethanol solution that gained filter residue is 60% or more with mass concentration presses 1:4-7 weight
Than mixing, 35 DEG C of -75 DEG C of stir process 1.5h-2h, filtering to 55% or less moisture obtains filter residue；It controls rice protein and quality is dense
The ethyl alcohol 1 that degree is 60% or more:The weight ratio of 4-7 is very crucial, and ethanol consumption is bigger, and removal effect is more apparent, but excessively high leads to second
Alcohol wastes, and the rice protein amount of processing is reduced, and reduces efficiency, is not suitable for industrialized production, ethanol consumption is few, and removal effect is poor.
（3）Post-processing：By step（2）Gained filter residue is washed, and is dried, sterilizing, and Isoprothiolane is obtained after the crushing material after sterilizing
Content is less than the rice protein of 10ppb.
The present invention is directed to the problem that Isoprothiolane is exceeded in rice protein, and the technique to removing Isoprothiolane in rice protein carries out
Exploitation, it is determined that use solvent removal method, the physiological-toxicity and effect and cost to removing Isoprothiolane of comprehensive solvent itself
Consider, applicant passes through long-term exploration, and it is a scavenger to develop with hydrogen peroxide, ethyl alcohol is the specific de- of secondary scavenger
Except technique, effectively the Isoprothiolane in rice protein is removed, and cost is relatively low.
Preferably, the hydrogen peroxide is edible hydrogen peroxide, the ethyl alcohol is food-grade ethanol.It is safe.
Preferably, step（1）The exceeded rice protein of middle Isoprothiolane is mixed with the hydrogen peroxide that mass concentration is 0.5-5%
Ferric trichloride is additionally added in object, ferric trichloride dosage is the 1-5% of rice protein weight.Inventor sends out by long-term research
It is existing, the ferric trichloride of specific quantity is added in rice protein and dioxygen aqueous mixtures, hydrogen peroxide removing Isoprothiolane can be significantly improved
Effect.
Preferably, step（2）The mass concentration of the ethanol solution is 80-95%.Removal effect is good.
Preferably, step（3）It is to material progress ultraviolet irradiation processing, the time of ultraviolet irradiation processing while crushing
1-2h。
Preferably, the ultraviolet wavelength control of ultraviolet irradiation is in 230-260nm, ultraviolet irradiation intensity is 40-80W/m2.This
While last crush, side crushes, and side carries out ultraviolet irradiation for invention.Selection ultraviolet irradiation, such rice protein when crushing
It can more thoroughly expose under ultraviolet light, with improvement effect.On the one hand ultraviolet irradiation can degrade Isoprothiolane, reinforce final de-
Except effect, while bactericidal effect can also be played.Ultraviolet wavelength control is controlled in 230-260nm, ultraviolet irradiation intensity is 40-80W/
m2It is the key that ultraviolet irradiation works, this particular design for rice protein of the present invention removing Isoprothiolane, only at this
Preferable effect can be just played under conditions of sample.
Preferably, step（3）Crushing material is to 200-1000 mesh.
The beneficial effects of the invention are as follows：
（1）Dioxygen water process will not destroy the quality of rice protein under neutrallty condition；
（2）Hydrogen peroxide easily decomposes, safe, and dosage does not destroy rice protein flavor less；
（3）Ethyl alcohol is safe, by washing and drying on a small quantity, you can is removed, will not cause to pollute again.
（4）90% or more can reach to Isoprothiolane removal efficiency.
（5）It is simple for process, it is easy to operate, it is suitble to large-scale production.
Specific implementation mode
Below by specific embodiment, technical scheme of the present invention will be further explained in detail.
In the present invention, if not refering in particular to, used raw material and equipment etc. are commercially available or commonly used in the art.
Method in following embodiments is unless otherwise instructed the conventional method of this field.
Embodiment 1：
The method of hydrogen peroxide and Isoprothiolane in ethyl alcohol removing rice protein, includes the following steps under a kind of neutrallty condition：
（1）Dioxygen water process：The food-grade pair for being 3% with mass concentration by the rice protein that Isoprothiolane content is 200ppb
Oxygen water presses 1:7 weight ratios match, and the ferric trichloride mixing of rice protein weight 3% is added, and adjust pH to 7.0, stir process
2h, filtering, obtains filter residue；
（2）Alcohol treatment：By step（1）The food-grade ethanol solution that gained filter residue is 80% with mass concentration presses 1:7 weight
Than mixing, 75 DEG C of stir process 1.5h, filtering to 55% or less moisture obtains filter residue；
（3）Post-processing：By step（2）Gained filter residue is washed, drying（Temperature is 60 DEG C, time 3h）, sterilizing（Temperature is 80
DEG C, time 3h）, crushing material to the 200-1000 mesh after sterilizing obtain Isoprothiolane content be less than 10ppb rice protein；It crushes
Ultraviolet irradiation processing is carried out to material simultaneously, the time of ultraviolet irradiation processing is 2h.The ultraviolet wavelength control of ultraviolet irradiation exists
230-260nm, ultraviolet irradiation intensity are 40W/m2。
Embodiment 2：
The method of hydrogen peroxide and Isoprothiolane in ethyl alcohol removing rice protein, includes the following steps under a kind of neutrallty condition：
（1）Dioxygen water process：The food-grade pair for being 3% with mass concentration by the rice protein that Isoprothiolane content is 100ppb
Oxygen water presses 1:6 weight ratios match, and the ferric trichloride mixing of rice protein weight 3% is added, and adjust pH to 7.0, stir process
1.5h, filtering, obtains filter residue；
（2）Alcohol treatment：By step（1）The food-grade ethanol solution that gained filter residue is 90% with mass concentration presses 1:6 weight
Than mixing, 35 DEG C of stir process 2h, filtering to 55% or less moisture obtains filter residue；
（3）Post-processing：By step（2）Gained filter residue is washed, drying（Temperature is 60 DEG C, time 3h）, sterilizing（Temperature is 80
DEG C, time 3h）, crushing material to the 200-1000 mesh after sterilizing obtain Isoprothiolane content be less than 10ppb rice protein.
Embodiment 3：
The method of hydrogen peroxide and Isoprothiolane in ethyl alcohol removing rice protein, includes the following steps under a kind of neutrallty condition：
（1）Dioxygen water process：The food-grade pair for being 5% with mass concentration by the rice protein that Isoprothiolane content is 200ppb
Oxygen water presses 1:5 weight ratios match, and the ferric trichloride mixing of rice protein weight 5% is added, and adjust pH to 6.5, stir process
2h, filtering, obtains filter residue；
（2）Alcohol treatment：By step（1）The food-grade ethanol solution that gained filter residue is 95% with mass concentration presses 1:4 weight
Than mixing, 65 DEG C of stir process 2h, filtering to 55% or less moisture obtains filter residue；
（3）Post-processing：By step（2）Gained filter residue is washed, drying（Temperature is 60 DEG C, time 3h）, sterilizing（Temperature is 80
DEG C, time 3h）, crushing material to the 200-1000 mesh after sterilizing obtain Isoprothiolane content be less than 10ppb rice protein；It crushes
Ultraviolet irradiation processing is carried out to material simultaneously, the time of ultraviolet irradiation processing is 1h.The ultraviolet wavelength control of ultraviolet irradiation exists
230-260nm, ultraviolet irradiation intensity are 80W/m2。。
Embodiment 4：
The method of hydrogen peroxide and Isoprothiolane in ethyl alcohol removing rice protein, includes the following steps under a kind of neutrallty condition：
（1）Dioxygen water process：The food-grade pair for being 0.5% with mass concentration by the rice protein that Isoprothiolane content is 50ppb
Oxygen water presses 1:4 weight ratios match, and the ferric trichloride mixing of rice protein weight 1% is added, and adjust pH to 6.5, stir process
1.5h, filtering, obtains filter residue；
（2）Alcohol treatment：By step（1）The food-grade ethanol solution that gained filter residue is 60% with mass concentration presses 1:6 weight
Than mixing, 60 DEG C of stir process 2h, filtering to 55% or less moisture obtains filter residue；
（3）Post-processing：By step（2）Gained filter residue is washed, drying（Temperature is 60 DEG C, time 3h）, sterilizing（Temperature is 80
DEG C, time 3h）, crushing material to the 200-1000 mesh after sterilizing obtain Isoprothiolane content be less than 10ppb rice protein.
Embodiment 5：
The method of hydrogen peroxide and Isoprothiolane in ethyl alcohol removing rice protein, includes the following steps under a kind of neutrallty condition：
（1）Dioxygen water process：The food-grade pair for being 2% with mass concentration by the rice protein that Isoprothiolane content is 100ppb
Oxygen water presses 1:5 weight ratios mix, while it is the 2% of rice protein weight that addition, which has ferric trichloride, ferric trichloride dosage, adjusts pH
To 7, stir process 1h, filtering obtains filter residue；
（2）Alcohol treatment：By step（1）The food-grade ethanol solution that gained filter residue is 70% with mass concentration presses 1:5 weight
Than mixing, 75 DEG C of stir process 2h, filtering to 55% or less moisture obtains filter residue；
（3）Post-processing：By step（2）Gained filter residue is washed, drying（Temperature is 60 DEG C, time 3h）, sterilizing（Temperature is 80
DEG C, time 3h）, crushing material to the 200-1000 mesh after sterilizing obtain Isoprothiolane content be less than 10ppb rice protein.It crushes
Ultraviolet irradiation processing is carried out to material simultaneously, the time of ultraviolet irradiation processing is 1.5h, and the ultraviolet wavelength control of ultraviolet irradiation exists
230-260nm, ultraviolet irradiation intensity are 60W/m2。
Above-mentioned embodiment is only a preferred solution of the present invention, not the present invention is made in any form
Limitation, on the premise of not exceeding the technical scheme recorded in the claims also other variations and modifications.
Claims (4)
1. under a kind of neutrallty condition in hydrogen peroxide and ethyl alcohol removing rice protein Isoprothiolane method, which is characterized in that including with
Lower step：
（1）Dioxygen water process：The exceeded rice protein of Isoprothiolane and mass concentration are pressed 1 for the hydrogen peroxide of 0.5-5%:4-7 weight
Than mixing, pH to 6.5-7.5, stir process 1-2h are adjusted, filtering obtains filter residue；
（2）Alcohol treatment：By step（1）Gained filter residue presses 1 with the ethanol solution that mass concentration is 80-95%:4-7 weight ratios are mixed
It closes, 35 DEG C of -75 DEG C of stir process 1.5h-2h, filtering to 55% or less moisture obtains filter residue；
（3）Post-processing：By step（2）Gained filter residue is washed, and is dried, and is sterilized, and is crushed, and carries out ultraviolet spoke to material while crushing
According to processing 1-2h, in 230-260nm, ultraviolet irradiation intensity is 40-80W/m for ultraviolet wavelength control2；It is low finally to obtain Isoprothiolane content
In the rice protein of 10ppb.
2. according to the method described in claim 1, it is characterized in that：The hydrogen peroxide is edible hydrogen peroxide, and the ethyl alcohol is
Food-grade ethanol.
3. method according to claim 1 or 2, it is characterised in that：Step（1）The exceeded rice protein of middle Isoprothiolane and matter
It measures and has been additionally added ferric trichloride in the dioxygen aqueous mixtures of a concentration of 0.5-5%, ferric trichloride dosage is the 1- of rice protein weight
5%。
4. method according to claim 1 or 2, it is characterised in that：Step（3）Crushing material is to 200-1000 mesh.
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| CN108864246B (en) * | 2018-05-18 | 2021-07-20 | 南昌大学 | Method for removing lead in rice residue protein |
| CN109527195A (en) * | 2018-12-10 | 2019-03-29 | 无锡初晨生物科技有限公司 | A method of utilizing Isoprothiolane and hexaconazole in complexed surfactant removing plant protein powder |
| CN113698500B (en) * | 2021-09-06 | 2022-07-15 | 江南大学 | Method for extracting edible rice starch and rice protein from pesticide residue super-standard broken rice |
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|---|---|---|---|---|
| CN101396059A (en) * | 2007-09-29 | 2009-04-01 | 景凯 | Production method of edible silkworm protein powder |
| CN103283931A (en) * | 2013-04-22 | 2013-09-11 | 义乌市海之纳生物工程有限公司 | Cadmium-eliminated desensitized rice protein, and preparation method and application thereof |
| CN103931969A (en) * | 2014-05-08 | 2014-07-23 | 西昌学院 | Konjac flour desulphurizing method and device |
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2015
- 2015-08-04 CN CN201510469699.0A patent/CN105104920B/en active Active
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|---|---|---|---|---|
| CN101396059A (en) * | 2007-09-29 | 2009-04-01 | 景凯 | Production method of edible silkworm protein powder |
| CN103283931A (en) * | 2013-04-22 | 2013-09-11 | 义乌市海之纳生物工程有限公司 | Cadmium-eliminated desensitized rice protein, and preparation method and application thereof |
| CN103931969A (en) * | 2014-05-08 | 2014-07-23 | 西昌学院 | Konjac flour desulphurizing method and device |
Non-Patent Citations (2)
| Title |
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| "H2O2降解大豆分离蛋白中残留乐果、抗蚜威农药的工艺优化";曹冬梅 等;《食品科学》;20131231(第16期);第58-61页 * |
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