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Soy sauce residue glyceride, agricultural vegetable oil emulsion as well as preparation method and application thereof

A technology of soy sauce residue and glyceride, which is applied in the field of pesticides, can solve the problems of increasing the amount of chemical pesticides used, phytotoxic spots on fruit surfaces or leaves, poor emulsification effect, etc., achieves good insect and disease prevention effects, and reduces the damage of diseases and insects. , good emulsification effect

Active Publication Date: 2021-11-19
HUNAN ACADEMY OF AGRI SCI +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] However, in the process of specific application, some problems were found. For example, farmers are often afraid that spraying pesticides will not kill pests. On the premise of using soy sauce residue glycerides, they excessively increase the amount of chemical pesticides used, resulting in fruit surface or leaves. Pesticide damage spots; in order to save trouble, many farmers did not dilute the glyceride residue of soy sauce for a second time, resulting in poor emulsification effect, unstable liquid medicine, and also caused phytotoxicity in some orchards
In addition, the condensation point of soy residue glyceride is high, and crystallization is easy to occur in winter, and this crystallization is difficult to dissolve again below 40°C, which seriously affects the commerciality of the product
The appearance of these problems has had a strong impact on the practical application of soy sauce residue glyceride, so urgently need to solve

Method used

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  • Soy sauce residue glyceride, agricultural vegetable oil emulsion as well as preparation method and application thereof
  • Soy sauce residue glyceride, agricultural vegetable oil emulsion as well as preparation method and application thereof
  • Soy sauce residue glyceride, agricultural vegetable oil emulsion as well as preparation method and application thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0051] The mass percent content of each component of an agricultural vegetable oil emulsion is: 85.0% of soy residue glyceride, 7.0% of emulsifier, 0.02% of antioxidant, and 7.98% of auxiliary agent.

[0052] Wherein, the preparation method of soy sauce residue glyceride is: add 5.0% diethylene glycol butyl ether to the oil extracted from soy sauce residue, add 5% Lipozyme RM IM For lipase, the oil and glycerol extracted from soy sauce residues are used in a mass ratio of 10:1, first reacted at 65°C for 1h, then lowered the temperature to 45°C for 6h, stirred continuously during the reaction, and then placed At about 0°C for 6 hours, filter out the crystals, and then separate the glyceride from soy sauce residue through a filter screen with a pore size of 200 mesh for later use.

[0053] Among them, the emulsifier is cardanol polyoxyethylene ether-9 and sophorolipid, the mass ratio is 2.0:1.0, and they are mixed for later use; the antioxidant is 0.02% tert-butylhydroquinone; t...

Embodiment 2

[0056] The mass percent content of each component of an agricultural vegetable oil emulsion is: 90.0% of soy residue glyceride, 5.0% of emulsifier, 0.02% of antioxidant, and 4.98% of auxiliary agent.

[0057] Wherein, the preparation method of soy sauce residue glyceride is: add 6.0% diethylene glycol propyl ether to the fat extracted from soy sauce residue, add 5% Lipozyme RM IM For lipase, the oil and glycerol extracted from soy sauce residues are used in a mass ratio of 10:1, first reacted at 65°C for 1h, then lowered the temperature to 45°C for 6h, stirred continuously during the reaction, and then placed At about 0°C for 6 hours, filter out the crystals, and then separate the glyceride from soy sauce residue through a filter screen with a pore size of 200 mesh for later use.

[0058] Among them, the emulsifier is cardanol polyoxyethylene ether-9, modified oil ethoxylate and sophorolipid, and the mass ratio is 1.0:1.0:1.0, which is mixed for later use; the antioxidant is 0...

Embodiment 3

[0061] The mass percent content of each component of an agricultural vegetable oil emulsion is: 90.0% of soy residue glyceride, 7.0% of emulsifier, 0.01% of antioxidant, and 2.99% of auxiliary agent.

[0062] Wherein, the preparation method of soy sauce residue glyceride is: add 6.0% butyl acetate to the fat extracted from soy sauce residue, add 5% Lipozyme RM IM For lipase, the oil and glycerol extracted from soy sauce residues are used in a mass ratio of 10:1, first reacted at 65°C for 1h, then lowered the temperature to 45°C for 6h, stirred continuously during the reaction, and then placed At about 0°C for 6 hours, filter out the crystals, and then separate the glyceride from soy sauce residue through a filter screen with a pore size of 150 mesh for later use.

[0063] Among them, the emulsifier is cardanol polyoxyethylene ether-9 and sophorolipid, the mass ratio is 2.0:1.0, and they are mixed for later use; the antioxidant is 0.01% fat-soluble rosemary extract; the auxilia...

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Abstract

The invention relates to the technical field of pesticides, in particular to an agricultural vegetable oil emulsion for preventing and controlling miniature pests as well as a preparation method and an application thereof. The preparation method of the soy sauce residue glyceride comprises the following steps: adding 3%-10% by mass of a solvent and 3%-10% by mass of lipase into grease extracted from soy sauce residues, then adding glycerol according to the mass ratio of the grease to the glycerol being (9.0-20.0): 1, reacting for 1-2 hours at 65 + / -5 DEG C, then reducing the temperature to 45 + / -5 DEG C, reacting for 6-7 hours, continuously stirring during the reaction period, and then placing at about 0+ / -2 DEG C for 6-8 hours, and filtering to obtain the soy sauce residue glyceride. The emulsion prepared from the soy sauce residue glyceride has obviously better film-forming property and stability than the prior art, can block pores of miniature pests, directly kill the pests, form an oil film on the surfaces of plants, reduce the damage of diseases and pests, and greatly reduce the generation of phytotoxicity.

Description

technical field [0001] The invention relates to the technical field of pesticides, in particular to an agricultural vegetable oil emulsion for preventing and controlling micro-pests, a preparation method and application thereof. Background technique [0002] At present, there are three main sources of spray oil that are often used in the field of pesticide technology: plant body, animal body and petroleum, which have the advantages of environmental protection and safety. Commonly used agricultural vegetable oils include plant essential oils, modified vegetable oils, turpentine and vegetable oils. Plant essential oils and modified vegetable oils are often used as adjuvants, which have a certain synergistic effect on most pesticides. Turpentine is often used as a pesticide solvent. None of them can be used for direct insecticide. The main component of vegetable oil is fatty acid triglyceride, which is composed of C14-C18 saturated or unsaturated fatty acid glycerol, which can...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C12P7/64C11C3/06A01G13/00A01N25/04A01N25/30A01P3/00A01P7/02A01P7/04
CPCC12P7/6454C11C3/06A01G13/00A01N25/04A01N25/30Y02A50/30
Inventor 龚碧涯肖伏莲欧阳革成刘慧李晓刚卢慧林向敏林文力程小梅
Owner HUNAN ACADEMY OF AGRI SCI
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