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:
Oct. 24, 2023
Filed:
Jun. 07, 2021
Honglong LI, Luohe, CN;
Ziheng Jin, Luohe, CN;
Xiaosong Xu, Luohe, CN;
Linzheng LI, Luohe, CN;
Wenjin Zhang, Luohe, CN;
Chunfeng Yu, Luohe, CN;
Huiting Xia, Luohe, CN;
Honglong Li, Luohe, CN;
Ziheng Jin, Luohe, CN;
Xiaosong Xu, Luohe, CN;
Linzheng Li, Luohe, CN;
Wenjin Zhang, Luohe, CN;
Chunfeng Yu, Luohe, CN;
Huiting Xia, Luohe, CN;
Abstract
A method of preparing water-soluble lutein ester microcapsules includes: mixing marigold flower particles with an extracting solvent, refluxing at 65-85° C.; removing the extracting solvent to obtain a crude extract; washing the crude extract with a washing solvent; removing the washing solvent to obtain a crude lutein ester; adding an oil-phase antioxidant and a vegetable oil to the crude lutein ester, mixing and heating at 90-100° C. to obtain a lutein ester oil phase; adding a wall material, an emulsifier, a water-phase antioxidant, and a water-phase filler into water, and heating to obtain a water phase; adding the lutein ester oil phase to the water phase under a high-speed shearing, mixing evenly, and homogenizing to obtain a lutein ester emulsion; drying twice to obtain semi-finished lutein ester microcapsules; and solidifying to obtain the lutein ester microcapsules. Water-soluble lutein ester microcapsules prepared by the method are also disclosed.