The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 05, 2026
Filed:
Apr. 29, 2021
Zhejiang Nhu Company Ltd., Shaoxing, CN;
Zhejiang University, Hangzhou, CN;
Xinchang Nhu Vitamins Company Ltd., Shaoxing, CN;
Jiandong Li, Shaoxing, CN;
Zhirong Chen, Hangzhou, CN;
Lifang Shi, Shaoxing, CN;
Guodong Huang, Shaoxing, CN;
Lishuang Pan, Shaoxing, CN;
Hong Yin, Hangzhou, CN;
Dan Qiu, Ningbo, CN;
Qilei Zhang, Hangzhou, CN;
Xiaoyong Zhu, Shaoxing, CN;
Xiang Liu, Shaoxing, CN;
Lidan Qi, Shaoxing, CN;
ZHEJIANG NHU COMPANY LTD., Shaoxing, CN;
ZHEJIANG UNIVERSITY, Hangzhou, CN;
XINCHANG NHU VITAMINS COMPANY LTD., Shaoxing, CN;
Abstract
A stable carotenoid microcapsule having high bioavailability and a preparation method therefor. The method includes the following steps: a) mixing carotenoid crystals with an organic solvent, and dissolving the mixture to obtain a carotenoid solution; b) introducing the carotenoid solution and a grease into a dispersion system to fully disperse carotenoid into the grease, and vaporizing the organic solvent to obtain a carotenoid-containing dispersion liquid; c) mixing the carotenoid-containing dispersion liquid and a protective colloid aqueous solution, and emulsifying the mixture to obtain an emulsion; and d) performing spray granulation and drying to obtain a carotenoid microcapsule.