Preparation method of glycosylated corn protein polypeptide carried xanthophyll nanoparticles

A corn protein and corn polypeptide technology, which is applied to the preparation methods of peptides, chemical instruments and methods, hydrolyzed protein components, etc. Problems such as unclear structure-activity relationship
CN114159409APending Publication Date: 2022-03-11QIQIHAR UNIVERSITY
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Patent Information

Authority / Receiving Office
CN · China
Current Assignee / Owner
QIQIHAR UNIVERSITY
Publication Date
2022-03-11

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Abstract

The problems that zein is easy to aggregate in water, poor in solubility, low in lutein loading efficiency, poor in dissolution controlled release effect and the like are solved. The preparation method of the glycosylated corn protein polypeptide carrying xanthophyll nanoparticles comprises the following steps: 1, carrying out enzyme hydrolysis on zein to obtain corn protein polypeptide with specific molecular weight; 2, preparing a corn protein hydrolyzed polypeptide subjected to glycosylation modification; and 3, preparing the high-load xanthophyll nanoparticles by taking the glycosylated corn peptide as a carrier. The invention has the advantages that: 1, the carrying and controlled release performance of the corn protein on the xanthophyll is improved; 2, the structural stability and digestion release property of the xanthophyll are improved; and thirdly, the nutrition safety is high, and the nutritional value of the fat-soluble lutein component can be improved. The preparation method of the modified corn polypeptide-xanthophyll nanoparticles has the advantages of high embedding efficiency on active ingredients such as fat-soluble xanthophyll, good dissolution dispersibility and strong nutrition functionality.
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Description

Technical field:

[0001] The invention relates to a preparation method of lutein nanoparticles carried by glycosylated zein polypeptide. Background technique:

[0002] Most of zein is gliadin, which is mainly derived from corn yellow powder, a by-product of corn processing. It is a safe, non-toxic, low-cost, high biocompatibility and good degradability zein. However, due to the low solubility and poor absorption and utilization rate of corn protein, it is mainly used in feed to replace some feed protein at present, and the development and utilization rate is low. In recent years, studies have found that the non-polar amino acids of zein itself (accounting for about 50% of the total amino acid residues of zein, including leucine, alanine and proline), can self-assemble into spherical particles. , making it an ideal delivery vehicle for bioactive compounds, drugs, and other nutraceuticals and food ingredients. For example, the zein / soluble soybean polysaccharide compound is u...

Claims

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