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Preparation method and application of Chinese breast milk triglyceride substitute fat

A technology of triglyceride and palmitic acid triglyceride, applied in the field of synthetic human milk substitutes, can solve problems such as large differences, and achieve the effects of abundant sources, increased yield and high nutritional value

Pending Publication Date: 2021-02-05
NANCHANG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, the fat in most infant formula milk powder can be similar to breast milk fat in terms of fatty acid composition, but the triglyceride configuration is quite different from that in breast milk, which is also one of the main reasons for constipation in infants and young children after eating milk powder

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  • Preparation method and application of Chinese breast milk triglyceride substitute fat
  • Preparation method and application of Chinese breast milk triglyceride substitute fat
  • Preparation method and application of Chinese breast milk triglyceride substitute fat

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preparation example Construction

[0086] A kind of preparation method of Chinese breast milk triglyceride substitute fat of the present invention comprises the following steps:

[0087] S1. Palm stearin is catalyzed by sodium methoxide, neutralized by citric acid, washed with warm water, bleached with clay and washed with ethanol to obtain 52° palm stearin;

[0088] S2. get sunflower oil, high oleic sunflower oil and perilla seed oil by proportioning to prepare free fatty acid, make mixed oil after mixing with lauric acid, myristic acid and step S1 gained 52 ° of palm stearin, mix to Add directional lipase enzymatic hydrolysis catalysis to oil to obtain Chinese breast milk triglyceride substitute fat;

[0089] S3. Detect and evaluate the Chinese breast milk triglyceride substitute fat obtained in step S2, and obtain the similarity score MD between the sn-2 fatty acid composition and triglyceride configuration in the substitute fat and Chinese breast milk.

[0090] The process of adding directional lipase enzy...

Embodiment 1

[0112]Weigh 10gsn-2 palmitic acid triglyceride in a reaction bottle, and add free fatty acids, lauric acid, and myristic acid from sunflower oil, high oleic sunflower oil, perilla seed oil, and mix with 1:6 molar ratio, 8 wt% of Novozyme 435 lipase (based on the total mass of the substrate) was added thereto, the reaction flask was filled with nitrogen and sealed, and reacted in a water bath at 60° C. at a stirring rate of 200 rpm for 8 h, and repeated three times. The triglyceride fatty acid composition, distribution and triglyceride configuration of the obtained product, as well as the model comparison score with Chinese breast milk, the specific results are shown in Table 4 below.

[0113] The obtained product is mixed with 65% of desalted whey powder, 20% of maltodextrin, 0.5% of vitamins and 0.5% of minerals, and spray-dried to prepare a dietary food for infants and young children.

[0114] Table 4 Fatty acid composition and distribution and triglyceride configuration of ...

Embodiment 2

[0118] Weigh 400g sn-2 palmitic acid triglyceride in a reaction flask, and add free fatty acids, lauric acid, and myristic acid from sunflower oil, high oleic sunflower oil, perilla seed oil, and mix in a molar ratio of 1:6 , 8 wt% of Lipozyme RM IM lipase (based on the total mass of the substrate) was added thereto, the reaction flask was filled with nitrogen and sealed, and reacted at a stirring rate of 200 rpm for 8 h in a water bath at 60 °C, and repeated three times. The triglyceride fatty acid composition, distribution and triglyceride configuration of the obtained product, as well as the model comparison score with the Chinese breast milk, the specific results are shown in Table 5 below.

[0119] The obtained product is mixed with 65% desalted whey powder, 20% maltodextrin, 0.8% fructo-oligosaccharide, 1% galacto-oligosaccharide, 0.5% vitamin and 0.5% mineral, and spray-dried to prepare a diet for infants and young children Food, used to eliminate infant constipation, i...

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Abstract

The invention discloses a preparation method and application of a Chinese breast milk triglyceride substitute. According to the substitute, vegetable oil is mainly used as a raw material to simulate astructure of Chinese breast milk triglyceride, and the vegetable oil raw material comprises palm stearin, sunflower seed oil, high oleic acid sunflower seed oil, perilla seed oil, lauric acid and myristic acid. The preparation method comprises the following steps: catalyzing 52-degree palm stearin with sodium methoxide, mixing the palm stearin with oils, and performing enzymatic hydrolysis. The substitute is rich in linoleic acid, has a low ratio of free fatty acids, fully simulates fatty acid composition, distribution and triglyceride configuration of Chinese breast milk,and is an excellentsubstitute for Chinese breast milk triglyceride.The preparation method is scientific, and can increase output in the same time and save amount of enzyme. The raw materials are abundant and easily available. Compared with selection of animal fats, especially lard, the substitute avoids promotion obstacles caused by religious taboo of lard raw materials, and further has characteristics of stable storage and wide range of use.

Description

technical field [0001] The invention relates to the technical field of synthetic human milk substitutes, in particular to a preparation method and application of Chinese breast milk triglyceride substitute fat. Background technique [0002] The nutritional needs of infants and young children are relatively special, and it is a critical period for growth and development in life. The quantity and quality of various nutrients intake during this critical period will have a major impact on future growth. The lack and insufficiency of key nutrients, will have irreversible consequences. Therefore, it is of great practical significance to provide healthy and reasonable infant formula milk powder for the majority of infants. [0003] Studies have found that the triglyceride structure of human milk fat can promote the absorption of calcium and energy by infants, and significantly reduce the chances of diarrhea, constipation and intestinal infarction in infants. However, due to the i...

Claims

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Application Information

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IPC IPC(8): A23C9/152G06F30/20G06K9/62
CPCA23C9/1528G06F30/20G06F18/22
Inventor 李静邓泽元贺杨正陈小露郑溜丰张兵
Owner NANCHANG UNIV
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