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Preparation method of breast-milk patterned structured oil and breast-milk patterned structured oil prepared by preparation method and use of breast-milk patterned structured oil

A technology of structured oils and fats, applied in dairy products, applications, milk preparations, etc., can solve the problems of difficult large-scale application and high cost, and achieve the effects of easy absorption, control of production costs, and large-scale industrial production

Active Publication Date: 2016-03-30
COFCO NUTRITION & HEALTH RES INST +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, this method requires crystallization and enrichment of OPO by fractionation of acetone, which not only has high cost, but also may introduce harmful solvent acetone into the product, making it difficult to apply on a large scale in industrialization

Method used

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  • Preparation method of breast-milk patterned structured oil and breast-milk patterned structured oil prepared by preparation method and use of breast-milk patterned structured oil

Examples

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Effect test

preparation example Construction

[0077] (1) The preparation method of the present invention uses edible oils of natural origin as raw materials. Because the raw materials of edible oils are widely available, and compared to using commercially available processed products (such as oleic acid, etc.) as raw materials In terms of cost, the cost is lower, which enables the production cost to be significantly reduced when preparing breast-emulsion structured grease according to the method of the present invention, improves the profit margin of the product, and brings good economic benefits to the production enterprise.

[0078] (2) In the preparation method of the present invention, the random transesterification reaction and the directional transesterification reaction are combined, so as to realize the preparation of the desired breast-emulsion structured fat with a simple and controllable process. At the same time, because the above-mentioned process is simple and controllable, it is more conducive to the production...

Embodiment 1

[0087] The palm oil fraction with IV=8 and coconut oil are placed in a reactor at a mass ratio of 3:1 and mixed uniformly to obtain a mixed fat. The mixed grease is vacuum dried at 105° C. for 30 minutes to remove the moisture therein and obtain a dried mixed grease. Then, the dried mixed fat is kept at a temperature of 100° C., 0.3 wt% of sodium methoxide is added thereto, and a random transesterification reaction is performed under vacuum conditions. After the transesterification reaction was carried out for 0.1 h, an aqueous solution of citric acid was added to terminate the reaction to obtain a reaction product. The reaction product was fully shaken and mixed and centrifuged, and then the upper oil phase obtained by centrifugation was washed with distilled water to neutrality and dried under vacuum for 30 minutes, and finally decolorized and deodorized (at a temperature of 110 ℃, 8mmHg Add 1.0wt% of the white clay by weight of the reaction product and decolorize for 20 min...

Embodiment 2

[0091] The palm oil fraction with IV=30 and MCT were placed in a reactor at a mass ratio of 5:1 and mixed uniformly to obtain a mixed fat. With respect to the total weight of the obtained mixed oil and fat, 8 wt% of lipase Lipozyme TLIM was added to the mixed oil and fat, and the transesterification reaction was performed at 65° C. for 8 h. The lipase is removed by filtration to obtain a reaction product. The reaction product was processed through the decolorization and deodorization refining operations described in Example 1 to obtain refined random transesterified fats and oils.

[0092] The sunflower oil and olive oil are mixed at a mass ratio of 1:1 to obtain a mixed vegetable oil. Subsequently, NaOH and distilled water were added to the mixed vegetable oil to carry out a hydrolysis reaction, and the mixture was refluxed and condensed at 75° C. for 1 hour to obtain the product. Subsequently, the product was placed at room temperature for cooling, distilled water and n-hexan...

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Abstract

The present invention provides a preparation method of breast-milk patterned structured oil and the breast-milk patterned structured oil prepared by the preparation method and use of the breast-milk patterned structured oil. More specifically, according to the method, palmitic-acid-rich oil, oil rich in saturated fatty acids having the carbon number of 6-14, and oil rich in unsaturated fatty acids are used as raw materials for preparation of the breast-milk patterned structured oil by combination of random ester exchange reaction and directional ester exchange reaction. The Sn-2 position of the breast-milk patterned structured oil is the saturated fatty acid, the saturated fatty acid accounts for 50wt%-70wt% of the weight of total saturated fatty acids in the breast-milk patterned structured oil, and the Sn-1 position and the Sn-3 position of the breast-milk patterned structured oil are unsaturated fatty acids, so that the breast-milk patterned structured oil is in close proximity to the structure of breast milk triglyceride, and the breast-milk patterned structured oil prepared by the preparation method can be more easily absorbed by infants and young children, and is more conducive to promoting of growth and development of the infants and young children.

Description

Technical field [0001] The invention relates to a method for preparing a breast-emulsified structured fat, a breast-emulsified structured fat prepared by the method, and the use of the fat. Specifically, the present invention relates to a method for preparing breast-emulsified structured fat with palmitic acid at the Sn-2 position, the breast-emulsified structured fat prepared by the method, and the use of the fat in infant formula food (especially infant formula milk powder). ). Background technique [0002] It is known that breast milk is the most ideal food during the growth of infants and young children, and can provide comprehensive and sufficient nutrition for the growth of infants and young children. Among them, the energy contained in breast milk fat accounts for more than 40% of the total energy provided by breast milk. Some current studies show that the fat contained in breast milk includes 98% by weight of triglycerides. Moreover, the triglycerides in breast milk hav...

Claims

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Application Information

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IPC IPC(8): C12P7/64A23C9/152
Inventor 陆健王风艳李世磊张君慧
Owner COFCO NUTRITION & HEALTH RES INST
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