Method for synthesizing functional foodstuff antioxidant feruloylated dibutyrated acylglycerol accelerated by enzyme

A technology of glyceryl dibutyrate and functional food, which is applied in the field of preparation of food antioxidants, can solve problems such as hydrophilicity hindering the application, and achieve the effect of eliminating harmful free radicals in the body, convenient source of raw materials, and mild preparation method

Inactive Publication Date: 2008-04-30
DONGHUA UNIV
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  • Abstract
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AI Technical Summary

Problems solved by technology

It is mainly used as an antioxidant in food and cosmetics, but its hydrophilicity hinders its application in preventing oil oxidation

Method used

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  • Method for synthesizing functional foodstuff antioxidant feruloylated dibutyrated acylglycerol accelerated by enzyme
  • Method for synthesizing functional foodstuff antioxidant feruloylated dibutyrated acylglycerol accelerated by enzyme
  • Method for synthesizing functional foodstuff antioxidant feruloylated dibutyrated acylglycerol accelerated by enzyme

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Embodiment 1

[0028] (1) Substrate ferulic acid hydrophobization

[0029] 5g of ferulic acid and 50mL of absolute ethanol were catalyzed by 3mL of thionyl chloride, heated under reflux at 80°C and continuously stirred for 5h, and the reaction solution was rotatively evaporated to remove the solvent to obtain a light yellow oily substance, which was dissolved in a small amount of ether and washed with saturated bicarbonate The sodium solution was extracted for 3 times, and then the ether was removed by rotary evaporation, and the obtained liquid substance was allowed to stand still until a large amount of white needle-like crystals were precipitated to obtain ethyl ferulate.

[0030] (2) column chromatography purification of ethyl ferulate

[0031] Purification conditions: Packing: Take 25-30g of silica gel G, use ethyl acetate as solvent to wet-pack the column, and control the flow rate to 1 drop / s. Chromatographic conditions: the method of step-by-step elution is adopted, and the ratio of...

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Abstract

The invention relates to a method for enzymic synthesis of anti oxidant, namely, ferulic acid bis-butanoic acid glyceride of functional food. The invention comprises the following steps: firstly, being catalyzed by thionyl chloride, ferulic acid and absolute ethyl alcohol are heated under reflux and react, are dissolved in ethylether, and are extracted by sodium bicarbonate, the ethylether is removed, and then standstill and seed out are performed to obtain ferulic acid ethyl ester which is then purified; secondly, the obtained ferulic acid ethyl ester, glycerol monobutyralte and tertiary butyl alcohol are reacted in the catalysis of Novozym435 lipase and purified, thereby obtaining the ferulic acid bis-butanoic acid glyceride. The method has mild and safe reaction condition, and prepared oxidant which maintains the property of the ferulic acid and the butanoic acid is released slowly under the function of lactonase in the human body. The method has the functions of being anti-oxidation and anti-fatigue, and removing harmful free radical in the human body, and also has the functions preventing and treating various cardiovascular and cerebrovascular diseases.

Description

technical field [0001] The invention belongs to the field of preparation of food antioxidants, in particular to a preparation method of functional food antioxidant ferulic acid dibutyrin. Background technique [0002] "Natural, nutritious, multi-functional" has become the current development policy of the food additive industry. The international quality requirements for food additives are: to make food more natural and fresh; to enhance the stability of food quality during storage; to use no or less chemically synthesized additives. The use of biological methods to replace chemical synthesis of safe and efficient new food additives and the development of functional food additives with immune regulation, anti-aging, anti-fatigue, resistance to hypoxia, anti-radiation, regulation of blood lipids, and adjustment of gastrointestinal function are the fields in the world in recent years. direction of development. [0003] At present, BHA (butyl hydroxyanisole) and BHT (dibutyl ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C12P7/62A23L3/3517
Inventor 朱利民郑妍权静柴艳倩
Owner DONGHUA UNIV
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