Application of pomfret oil or component extracts thereof in preparation of breast milk fat substitutes

A technology to replace fat and pomfret, applied in application, edible oil/fat, dairy products, etc., can solve the problem of low similarity, achieve high similarity, improve hardness, and reduce the occurrence of constipation and intestinal diseases.

Active Publication Date: 2021-02-19
JIANGNAN UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The technical problem to be solved by the present invention is that the existing breast milk substitute fat has low similarity to breast milk fat in sn-2 fatty acid composition and triglyceride composition

Method used

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  • Application of pomfret oil or component extracts thereof in preparation of breast milk fat substitutes
  • Application of pomfret oil or component extracts thereof in preparation of breast milk fat substitutes
  • Application of pomfret oil or component extracts thereof in preparation of breast milk fat substitutes

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0053] Example 1: Golden Pomfret Oil

[0054] Chloroform-methanol method was used to extract golden pomfret oil (oval pomfret fish oil), and fresh golden pomfret liver was freeze-dried and crushed. Take 10g of crushed powder, add 100mL of methanol, shake, then add 200mL of chloroform, ultrasonic for 30min, take clear liquid after suction filtration, add 100mL of sodium chloride solution with a mass fraction of 0.88%, centrifuge the mixed solution at 4500rpm After 10 minutes, absorb the lower layer, place it in a round bottom flask, and remove the solvent by rotary evaporation to obtain golden pomfret oil. The measured total palmitic acid, sn-2 palmitic acid, OPO and OPL accounted for 23.52%, 37.25%, 15.84% and 25.67% of the total triglyceride content in golden pomfret oil respectively. 52.79% of the total palmitic acid content. And the content of OPL is higher than that of OPO, so breast milk substitute fat similar to Chinese breast milk fat can be formulated without adding ...

Embodiment 2

[0055] Embodiment 2: freshwater white pomfret oil

[0056] The freshwater pomfret oil was extracted with n-hexane as solvent. Take 10 g of the pulverized powder, add 100 mL of n-hexane, and ultrasonicate for 30 minutes. After suction filtration, put the clear liquid in a round bottom flask, and remove the solvent by rotary evaporation to obtain freshwater pomfret oil. The total palmitic acid, sn-2-position palmitic acid, OPO and OPL accounted for 25.26%, 36.96%, 26.39% and 19.38% of the total triglycerides in freshwater pomfret oil were measured. The calculation shows that the sn-2 palmitic acid accounts for 48.77% of the total palmitic acid content. Although the content of OPL is slightly lower than that of OPO and golden pomfret oil, it is higher than that of other fish oils. Therefore, a small amount of OPL structural fat can be added to adjust the ratio of OPL to OPO to replace breast milk fat. deployment.

Embodiment 3

[0057] Embodiment 3: a kind of preparation method of the fractionation product of gold pomfret oil

[0058] The golden pomfret oil obtained in Example 1 was fractionated by solvent method, the solvent used was acetone, the ratio of golden pomfret oil to solvent (w / v) was 1:8, the fractionation temperature was -25°C, and the fractionation time was 16h, to obtain Golden Pomfret Oil Fraction. The contents of total palmitic acid, sn-2 palmitic acid, OPO and OPL in the golden pomfret oil fraction were 27.82%, 45.37%, 20.28% and 29.46%, respectively. The calculation shows that the sn-2 palmitic acid accounts for 54.36% of the total palmitic acid content.

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Abstract

The invention discloses application of pomfret oil or component extracts thereof in preparation of breast milk fat substitutes, and belongs to the technical field of foods. Natural oil rarely containsUPU type triglyceride, a small amount of the natural oil is rich in OPO, but the content of OPL is very low. Trachin otusovatus oil contains the OPL as the highest triglyceride content and the OPO asthe second content, and the composition of the triglyceride is similar to that of the triglyceride of Chinese breast milk fat. The trachin otusovatus oil, colossoma brachypomum or the component extracts thereof are selected from the pomfret oil as base oil, and other natural oil or modified oil is added for compounding to obtain the breast milk fat substitutes. The breast milk fat substitutes have high similarity with the breast milk fat, solve the problem of a low absorption rate of fatty acid and calcium in infant formula milk powder, improve the absorption and utilization of energy, improve the hardness of excrement, and reduce the occurrence of constipation and intestinal diseases of infants.

Description

technical field [0001] The invention relates to the application of pomfret oil or its fractions in the preparation of breastmilk substitute fat, belonging to the technical field of food. Background technique [0002] Breast milk is the best food for infants and young children, it can provide all the nutrients needed for growth and development of infants and young children. The lipid component in breast milk is called breast milk fat, accounting for about 3% to 5%, providing 40% to 50% of energy and essential fatty acids for infants and young children, and can promote the absorption of fat-soluble vitamins. Breast milk fat is a complex oil mixture. Most of the triglycerides in breast milk fat exist in the form of sn-UPU, such as 1,3-dioleic acid-2-palmitic acid triglyceride (OPO) and 1-oleic acid-2 - palmitic acid-3-oleic acid triglyceride (OPL), etc. The unique distribution of fatty acids on the triglyceride backbone affects digestion, absorption and metabolism in infants....

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A23D9/04A23C9/152
CPCA23D9/04A23C9/1528
Inventor 王小三程昕祎杨壮壮江聪黄健花金青哲王兴国
Owner JIANGNAN UNIV
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