CN101732820A - Application of fatty acid composition - Google Patents
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- CN101732820A CN101732820A CN200810203076A CN200810203076A CN101732820A CN 101732820 A CN101732820 A CN 101732820A CN 200810203076 A CN200810203076 A CN 200810203076A CN 200810203076 A CN200810203076 A CN 200810203076A CN 101732820 A CN101732820 A CN 101732820A
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Abstract
The invention relates to application of fatty acid composition. The application of the fatty acid composition is characterized in that the fatty acid composition at least comprises the following components: component A, component B and component C, wherein the component A is food-grade fatty acid and at least comprises octanoic acid, decanoic acid and n-nonanoic acid; the component B is surfactant and comprises alkane sulfonate; and the component C is acid. The fatty acid composition is used for decomposing residual pesticide on the surfaces of fruits and vegetables, prolonging the storage time of the fruits and vegetables and sterilizing sudden infectious disease epidemic regions in public environments. The fatty acid can decompose the residual pesticide on the surfaces of the fruits and vegetables such as hexachloro-cyclohexane soprocide, dichloro-diphenyl-trichloroethane and the like. The fatty acid composition can prolong the storage time of the fruits and vegetables, for example, the apples can be stored at least for 20 days at the normal temperature under the normal humidity, and the tomatoes can be stored at least for 10 days at the normal temperature under the normal humidity.
Description
Technical field
The present invention relates to application of fatty acid composition, the purposes of particularly this aliphatic acid composition aspect decomposition fruit and vegetable surfaces remains of pesticide, prolongation fruits and vegetables storage time, PE burst epidemic locality disinfection sterilization.
Background technology
At applicant's application number under one's name is 200810034171.0, and publication number is CN101233852A, and open day is the Chinese invention patent application on August 6th, 2008, discloses a kind of aliphatic acid composition.This aliphatic acid composition comprises following component at least: the A component: be food grade fats acid, comprise sad, capric acid and n-nonanoic acid at least; B component: be surfactant, comprise alkylsulfonate; C component: be acid.Above-mentioned patent application has also proposed this aliphatic acid composition in the purposes of killing aspect gold look staphylococcus, Escherichia coli, Candida albicans, Pseudomonas aeruginosa, the poliovirus.On this basis, this case inventor continues research, has found some other purposes of this aliphatic acid composition.
Summary of the invention
The objective of the invention is at above-mentioned its new purposes of aliphatic acid composition proposition.
A kind of application of fatty acid composition, this aliphatic acid composition comprises following component at least:
A component: be food grade fats acid, comprise sad, capric acid and n-nonanoic acid at least;
B component: be surfactant, comprise alkylsulfonate;
C component: be acid;
This application of fatty acid composition is to be used to decompose fruit and vegetable surfaces remains of pesticide, prolongation fruits and vegetables storage time, PE burst epidemic locality disinfection sterilization.
Preferably, the acid in the described C component is one or more the combination in lactic acid, phosphoric acid, propionic acid, the HEDP.
Preferably, sad, capric acid in the described A component and the weight ratio between n-nonanoic acid are 20: 80～80: 20.
Preferably, described aliphatic acid composition comprises following component by weight percentage:
(a) sad, capric acid and n-nonanoic acid 4～12%
(b) sulfonate 25～40%
(c) lactic acid 15～20%
(d) phosphoric acid 30～40%
(e) water or deionized water balance amount.
Preferably, described aliphatic acid composition comprises following component by weight percentage:
(a) sad, capric acid and n-nonanoic acid 4～12%
(b) alkylsulfonate 25～40%
(c) lactic acid 40～50%
(d) water or deionized water balance amount.
Preferably, described aliphatic acid composition comprises following component by weight percentage:
(a) sad, capric acid and n-nonanoic acid 4～12%
(b) sulfonate 25～40%
(c) propionic acid 10～20%
(d) phosphoric acid 30～40%
(e) water or deionized water balance amount.
Preferably, the component of described aliphatic acid composition also comprises hydrogen peroxide.
Preferably, described aliphatic acid composition comprises following component by weight percentage:
(a) sad, capric acid and n-nonanoic acid 4～12%
(b) alkylsulfonate 25～40%
(c) propionic acid 20～50%
(d) HEDP 0～5%
(e) hydrogen peroxide 20～50%
(f) water or deionized water balance amount.
Above-mentioned aliphatic acid composition can decompose fruits and vegetables such as apple, tomato remained on surface agricultural chemicals, as decomposing agricultural chemicals such as BHC, DDT.Above-mentioned aliphatic acid composition can prolong the fruits and vegetables storage time, is that example can be preserved under usual conditions 20 days at least with the apple, is that example can be preserved under usual conditions 10 days at least with the tomato, has prolonged the fruits and vegetables storage time 1/3 at least.Above-mentioned aliphatic acid composition can be used for PE burst epidemic locality disinfection sterilization.
The specific embodiment
Further specify technical scheme of the present invention below in conjunction with embodiment.
In the following embodiments, with reference to following experimental technique, experimentize.
1, the diluent preparing of aliphatic acid composition
500 times, 800 times, 1000 times each 10L of dilution with deionized water preparation aliphatic acid composition
2, the processing of fruits and vegetables
Get the test fruits and vegetables, be divided into two groups, one group is embathed in the dilution of the aliphatic acid composition of variable concentrations, another group is then sprayed the aliphatic acid composition of going up variable concentrations, embathe with spraying time and be respectively 30s, 1min, 2min, 4min, 10min, each time is got some samples as test group, is used for analyzing and testing.Other establishes blank group (replacing dilution with deionized water).
3, the check and analysis aliphatic acid composition is to the influence (0 day, 5 days, 10 days, 20 days, 40 days) in fruits and vegetables storage time, and condition of storage is normal temperature, often wet, keep away straight solarization, stuffy, blow-by, bulk storage.
1) proportion
Method is with reference to State Standard of the People's Republic of China GB/T5518-85
2) total acid number
Adopt titration
Organic acid in the food (weak acid) with the standard base (SB) drop regularly is neutralized the generation salt.Make indicator with phenolphthalein,, amass, calculate the content of sample total acid according to the standard base (SB) liquid that consumes when being titrated to terminal point when (pH=8.2, indicator show red).Its reaction equation is as follows: RCOOH+NaOH → RCOONa+H
2O
The processing of sample and preparation
With sample appropriateness crushing screening, mix, get an amount of sample, add the distilled water of a small amount of no carbon dioxide, with sample dissolution in the 250ml volumetric flask, 0.5 hour (if preserved fruit class of heating in 75～80 ℃ of water-baths, then in boiling water, heated 1 hour), cooling, constant volume filter with dry filter paper, discard liquid just, collect filtrate for later use.
The sample titration
Accurately draw the filtrate 50ml of preparation, add 2～3 of phenolphthalein indicators, colour-fast to blush 30 seconds with the titration of 0.1mol/L standard base (SB), the record consumption is done blank test, simultaneously with following formula calculation sample acid content.
Total acidity (%)=C (V
1-V
2) KV
3100/ (MV
4)
In the formula:
The concentration mol/L of C-----standard caustic soda solution
V
1The volume ml of-----titration institute quota of expenditure alkali lye
V
2The volume ml of-----blank institute quota of expenditure alkali lye
V
3-----sample diluting liquid cumulative volume ml
V
4The volume ml of the sample liquid that----draws during-titration
M-----sample quality or volume (g or ml)
K-----0.067, promptly 1mol NaOH is equivalent to the gram number of main acid
3) peroxide value
Method is with reference to State Standard of the People's Republic of China GB/T5009.37-2003
4) polyphenol oxidase is lived
Adopt colorimetric method
Crude enzyme liquid preparation: the fruit meat tissue (includes the 0.02M mercaptoethanol in 1: 1 (W/V) ratio and 003M phosphate buffer pH6.0,0.001MEDTA, 5% glycerine, 1% polyvinylpyrrolidone) mixes, filtered through gauze after 4 layers of the homogenate, filtrate is with the centrifugal 10min of 6000rpm, and the reject precipitation obtains zyme extract.
Enzyme activity determination: in reaction tube, add 0.1mol/LpH5.0 acetate buffer 3.4ml, 0.1mol/L catechol 0.5ml, crude enzyme liquid (or dilution) 0.1ml, 30 ℃ of water bath with thermostatic control insulation 30min, on 756MC type ultraviolet-uisible spectrophotometer, survey 400mm place's optical density (OD value), with the enzyme liquid that boils deactivation is the colorimetric contrast, increases by 0.01 with the per minute OD value and is defined as an enzyme activity unit (u).
5) Vc content
Method is with reference to State Standard of the People's Republic of China GB/T6195-86
6) AFB1
Method is with reference to State Standard of the People's Republic of China GB/T5009.22-2003
7) organophosphor is measured
Adopt back titration: the Ca-EDTA method
Organic phosphorus containg substances is behind strong acid and oxidant reaction, and all phosphorus all becomes PO
4 3-, and C element wherein becomes CO earlier
3 -After become CO after the acidifying
2Air scavenge interference.After add alkali NaOH and be neutralized under the weak base condition, use NH
3-NH
4Cl makees cushioning liquid, adds quantitative but excessive Ca
2-Make PO
4 3-Become Ca
3(PO
4)
2Precipitate fully, filter the back, excessive Ca
2-Return with the EDTA standard liquid and to drip.Ca in the main source of error process
2-Loss, think that eliminating error can get and precipitated the clear liquid at the middle and upper levels that leaves standstill, carries out titration with EDTA.
Reagent:
EDTA solution (0.01mol/L), ammonia cushioning liquid (pH=10), CaCO
3Standard buffer solution chromium black T indicator (1%)
Method:
EDTA standardizing of solution: accurately take by weighing 0.22-0.26gCaCO
3In the 100ml beaker, addend drips wetting, covers surface plate, slowly splashes into (1+1) HCl solution to CaCO
3Dissolving adds 20ml water fully, and little fire boils 2min, transfers to after the cooling in the 250ml volumetric flask, is diluted with water to scale, shakes up.Pipette above-mentioned solution 25.00ml in conical flask, add 50ml water and 3mlMg-EDTA solution, add the 15mlEDTA standard liquid in advance, add 10ml ammonia cushioning liquid and 4 chromium black T indicators again, immediately with the EDTA standard solution titration to solution by the purplish red pure blue that becomes, be terminal point.Three parts of parallel titration, the concentration a of calculating EDTA standard liquid.
Produce Ca
2+Standard liquid: take by weighing 1gCaCO
3, the back adds the hydrochloric acid of capacity, and heating makes it to melt fully set aside for use.
Organic sample Mg is through HNO
3After-HCl the dissolving, bubble is thrown out in heating, after add NaOH and be neutralized to pH=10.Add an amount of NH
3-NH
4Cl cushioning liquid adds Ca in the 100ml volumetric flask
2+Standard liquid precipitation, after add water to 100ml.
Pipette the 25.00ml test solution in conical flask, add 15ml water, 15ml ammonia cushioning liquid and 4 chrome black indicator have just become pure blue with EDTA titration to solution by aubergine, three parts of parallel titration.Mean consumption is VL.
The result:
The amount of P: (1/100) 0.1-(4Va)=X
Percentage: (X/M) 100%
8) the single determination of residual amount of BHC, DDT and isomers thereof or metabolin
Method is with reference to State Standard of the People's Republic of China GB/T5009.19-2003
Embodiment 1
With apple as subjects.The concrete constituent content of aliphatic acid composition is as follows:
(a) sad, capric acid and n-nonanoic acid 4%
(b) alkylsulfonate 40%
(c) lactic acid 40%
(d) level is weighed.
Sad, capric acid and n-nonanoic acid are to mix at 50: 50 by commercially available Emery658 (hot capric acid C8-C10) and Emery1202 (n-nonanoic acid C9) by weight, and Emery658 and Emery1202 purchase in U.S. Ke Ning company (Cognis Corporation).
Alkylsulfonate adopts dodecyl sodium sulfate.
(1) 500 of aliphatic acid composition times of dilutions are prolonging the effect of apple aspect the storage time
1) embathes group
2) sprinkling group
With reference to embathing the group result
3) blank group
The apple of blank group addled in the time of the 14th day.
(2) 800 of aliphatic acid composition times of dilutions are prolonging the effect of apple aspect the storage time
1) embathes group
2) sprinkling group
With reference to embathing the group result
3) blank group
The apple of blank group addled in the time of the 14th day.
(3) 1000 of aliphatic acid composition times of dilutions are prolonging the effect of apple aspect the storage time
1) embathes group
2) sprinkling group
With reference to embathing the group result
3) blank group
The apple of blank group addled in the time of the 14th day.
Embodiment 2
With tomato as subjects.The concrete constituent content of aliphatic acid composition is as follows:
(a) sad, capric acid and n-nonanoic acid 12%
(b) alkylsulfonate 25%
(c) lactic acid 50%
(d) deionized water balance amount.
Sad, capric acid and n-nonanoic acid are to mix at 50: 50 by commercially available Emery658 (hot capric acid C8-C10) and Emery1202 (n-nonanoic acid C9) by weight, and Emery658 and Emery1202 purchase in U.S. Ke Ning company (Cognis Corporation).
Alkylsulfonate adopts dodecyl sodium sulfate.
(1) 500 of aliphatic acid composition times of dilutions are prolonging the effect of tomato aspect the storage time
1) embathes group
2) sprinkling group
With reference to embathing the group result
3) blank group
The tomato of blank group addled in the time of 7 days.
(2) 800 of aliphatic acid composition times of dilutions are prolonging the effect of tomato aspect the storage time
1 embathes group
2) sprinkling group
With reference to embathing the group result
3) blank group
The tomato of blank group addled in the time of 7 days.
(3) 1000 of aliphatic acid composition times of dilutions are prolonging the effect of tomato aspect the storage time
1) embathes group
2) sprinkling group
With reference to embathing the group result
3) blank group
The tomato of blank group addled in the time of 7 days.
Those of ordinary skill in the art will be appreciated that, above embodiment is used for illustrating the present invention, and be not to be used as limitation of the invention, as long as in connotation scope of the present invention, all will drop in claims scope of the present invention variation, the modification of the above embodiment.
Claims (10)
1. application of fatty acid composition, this aliphatic acid composition comprises following component at least:
A component: be food grade fats acid, comprise sad, capric acid and n-nonanoic acid at least;
B component: be surfactant, comprise alkylsulfonate;
C component: be acid;
It is characterized in that: this application of fatty acid composition is to be used to decompose fruit and vegetable surfaces remains of pesticide, prolongation fruits and vegetables storage time, PE burst epidemic locality disinfection sterilization.
2. a kind of application of fatty acid composition according to claim 1 is characterized in that: the acid in the described C component is one or more the combination in lactic acid, phosphoric acid, propionic acid, the HEDP.
3. a kind of application of fatty acid composition according to claim 1 is characterized in that: sad, capric acid in the described A component and the weight ratio between n-nonanoic acid are 20: 80～80: 20.
4. according to claim 1,2 or 3 described a kind of application of fatty acid composition, it is characterized in that: described aliphatic acid composition comprises following component by weight percentage:
(a) sad, capric acid and n-nonanoic acid 4～12%
(b) sulfonate 25～40%
(c) lactic acid 15～20%
(d) phosphoric acid 30～40%
(e) water or deionized water balance amount.
5. according to claim 1,2 or 3 described a kind of application of fatty acid composition, it is characterized in that: described aliphatic acid composition comprises following component by weight percentage:
(a) sad, capric acid and n-nonanoic acid 4～12%
(b) alkylsulfonate 25～40%
(c) lactic acid 40～50%
(d) water or deionized water balance amount.
6. according to claim 1,2 or 3 described a kind of application of fatty acid composition, it is characterized in that: described aliphatic acid composition comprises following component by weight percentage:
(a) sad, capric acid and n-nonanoic acid 4～12%
(b) sulfonate 25～40%
(c) propionic acid 10～20%
(d) phosphoric acid 30～40%
(e) water or deionized water balance amount.
7. according to claim 1,2 or 3 described a kind of application of fatty acid composition, it is characterized in that: the component of described aliphatic acid composition also comprises hydrogen peroxide.
8. a kind of application of fatty acid composition according to claim 7 is characterized in that: described aliphatic acid composition comprises following component by weight percentage:
(a) sad, capric acid and n-nonanoic acid 4～12%
(b) alkylsulfonate 25～40%
(c) propionic acid 20～50%
(d) HEDP 0～5%
(e) hydrogen peroxide 20～50%
(f) water or deionized water balance amount.
9. a kind of application of fatty acid composition according to claim 1 is characterized in that: described fruits and vegetables are apple or tomato.
10. a kind of application of fatty acid composition according to claim 1 is characterized in that: described fruit and vegetable surfaces remains of pesticide is BHC, DDT, organophosphor or aflatoxins.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810203076A CN101732820A (en) | 2008-11-21 | 2008-11-21 | Application of fatty acid composition |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810203076A CN101732820A (en) | 2008-11-21 | 2008-11-21 | Application of fatty acid composition |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101732820A true CN101732820A (en) | 2010-06-16 |
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ID=42457179
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200810203076A Pending CN101732820A (en) | 2008-11-21 | 2008-11-21 | Application of fatty acid composition |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105638657A (en) * | 2015-01-30 | 2016-06-08 | 中国烟草总公司湖南省公司 | Insect and bacterium killing agent, preparation method and application method thereof |
| CN108605933A (en) * | 2018-04-20 | 2018-10-02 | 上海康归生物科技有限公司 | A kind of fatty acid complexes |
| CN111565572A (en) * | 2017-09-29 | 2020-08-21 | 0903608 B.C.有限公司 | Synergistic pesticidal compositions and methods for delivering active ingredients |
| CN113509435A (en) * | 2021-07-23 | 2021-10-19 | 天津华源化工有限公司 | Formula for nursing cow nipples and production method thereof |
| US11839212B2 (en) | 2018-09-27 | 2023-12-12 | 0903608 B.C. Ltd. | Synergistic pesticidal compositions and methods for delivery of insecticidal active ingredients |
-
2008
- 2008-11-21 CN CN200810203076A patent/CN101732820A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105638657A (en) * | 2015-01-30 | 2016-06-08 | 中国烟草总公司湖南省公司 | Insect and bacterium killing agent, preparation method and application method thereof |
| CN111565572A (en) * | 2017-09-29 | 2020-08-21 | 0903608 B.C.有限公司 | Synergistic pesticidal compositions and methods for delivering active ingredients |
| CN108605933A (en) * | 2018-04-20 | 2018-10-02 | 上海康归生物科技有限公司 | A kind of fatty acid complexes |
| CN108605933B (en) * | 2018-04-20 | 2021-06-15 | 上海康归生物科技有限公司 | Fatty acid compound |
| US11839212B2 (en) | 2018-09-27 | 2023-12-12 | 0903608 B.C. Ltd. | Synergistic pesticidal compositions and methods for delivery of insecticidal active ingredients |
| CN113509435A (en) * | 2021-07-23 | 2021-10-19 | 天津华源化工有限公司 | Formula for nursing cow nipples and production method thereof |
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Open date: 20100616 |