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Preparation method of structural lipid based on breast milk triglyceride composition

A technology of triglycerides and structured lipids, applied in the field of oils and fats, can solve problems such as lack of means

Active Publication Date: 2021-11-02
JIANGNAN UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] At present, in the production of structural lipids that simulate breast milk fat, due to the lack of necessary means, the product is mainly restricted at the level of fatty acids

Method used

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  • Preparation method of structural lipid based on breast milk triglyceride composition
  • Preparation method of structural lipid based on breast milk triglyceride composition
  • Preparation method of structural lipid based on breast milk triglyceride composition

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0060] Choose 58% palm stearin as raw material, the content of palmitic acid is 70.3%, and the content of sn-2 palmitic acid is 58.3%. The fatty acid composition and distribution are shown in the table below. Compared with breast milk fat, in the composition of total fatty acids, palm stearin lacks linoleic acid, linolenic acid and medium-chain fatty acids; in the composition of sn-2 fatty acids, palm stearin lacks medium-chain fatty acids and linolenic acid; sn-1, Among the 3 fatty acids, the content of palmitic acid is relatively high, lacking medium-chain fatty acids, linoleic acid, and linolenic acid. At the same time, the relative content of sn-2 palmitic acid in palm stearin is much lower than that of breast milk fat. Therefore, palm stearin can be hydrolyzed by first selecting a suitable proportion of mixed fatty acids, reducing the content of sn-1,3 palmitic acid, adjusting the composition of other fatty acids, and then removing saturated fatty acids and saturated trigl...

Embodiment 2

[0170] Choose 52-degree palm stearin fraction as raw material, the content of palmitic acid is 82.4%, and the content of sn-2 palmitic acid is 75.5%. The fatty acid composition and distribution are shown in the table below. Compared with breast milk fat, in the composition of total fatty acids, palm stearin lacks linoleic acid, linolenic acid and medium-chain fatty acids, and in the composition of sn-2 fatty acids, palm stearin lacks medium-chain fatty acids and linolenic acid, sn-1, Among the 3 fatty acids, the content of palmitic acid is relatively high, and it lacks medium-carbon chain fatty acids, linoleic acid and linolenic acid. At the same time, the relative content of sn-2 palmitic acid in palm stearin is much lower than that of breast milk fat. Therefore, palm stearin can be hydrolyzed by first selecting a suitable proportion of mixed fatty acids, reducing the content of sn-1,3 palmitic acid, adjusting the composition of other fatty acids, and then removing saturated f...

Embodiment 3

[0237] Select 58% palm stearin fraction as raw material, the content of palmitic acid is 91.2%, and the content of sn-2 palmitic acid is 84.3%. The fatty acid composition and distribution are shown in the table below. Compared with breast milk fat, in the composition of total fatty acids, palm stearin lacks oleic acid, linoleic acid, linolenic acid and medium-chain fatty acids, and in the composition of sn-2 fatty acids, palm stearin lacks medium-chain fatty acids, linoleic acid and Among the linolenic acid, sn-1, 3 fatty acids, the content of palmitic acid is relatively high, and lacks medium-carbon chain fatty acids, oleic acid, linoleic acid and linolenic acid. At the same time, the relative content of sn-2 palmitic acid in palm stearin is much lower than that of breast milk fat. Therefore, palm stearin can be hydrolyzed by first selecting a suitable proportion of mixed fatty acids, reducing the content of sn-1,3 palmitic acid, adjusting the composition of other fatty acids...

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Abstract

The invention discloses a preparation method of structural lipid based on breast milk triglyceride composition. The preparation method comprises the following steps: primary acidolysis, low-temperature fractionation, adjustment of liquid oil sn-2 fatty acid composition, adjustment of free fatty acid composition, adjustment of triglyceride composition and secondary acidolysis. The preparation method of the structural lipid provided by the invention can reduce the cost and the generation of harmful substances, the purposiveness and controllability of substrate reaction condition screening are realized under the condition of ensuring that the components are highly similar to breast milk components, and the method is beneficial to obtaining products with higher similarity to breast milk fat.

Description

technical field [0001] The invention relates to the technical field of fats and oils, in particular to a method for preparing structural lipids based on the composition of breast milk triglycerides. Background technique [0002] Breast milk provides various nutrients for babies and is the best food source for babies. Breast milk contains 3-5% fat, which not only provides energy, but also provides various functional fatty acids and fat-soluble vitamins. The triglyceride content in breast milk fat is more than 98%. These triglycerides have special fatty acid composition and molecular structure, and their composition varies due to lactation stage, mother's eating habits, personal circumstances and genetic characteristics. The main fatty acids (greater than 1%) in breast milk fat are oleic acid, palmitic acid, linoleic acid, stearic acid, myristic acid, lauric acid, linolenic acid and capric acid, among which more than 60% of palmitic acid is in sn -2 position, most unsaturate...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A23D9/007A23D9/04A23L5/20G16C20/10G16C20/30
CPCA23D9/007A23D9/04A23L5/25G16C20/10G16C20/30
Inventor 邹孝强晁仲昊徐秀丽姜萱
Owner JIANGNAN UNIV