ALEXANDRIA, Va., May 5 -- United States Patent no. 12,616,227, issued on May 5, was assigned to ZHEJIANG NHU COMPANY LTD. (Shaoxing, China), ZHEJIANG UNIVERSITY (Hangzhou, China) and XINCHANG NHU VITAMINS COMPANY LTD. (Shaoxing, China).

"Stable carotenoid microcapsule having high bioavailability and preparation method therefor" was invented by Jiandong Li (Shaoxing, China), Zhirong Chen (Hangzhou, China), Lifang Shi (Shaoxing, China), Guodong Huang (Shaoxing, China), Lishuang Pan (Shaoxing, China), Hong Yin (Hangzhou, China), Dan Qiu (Ningbo, China), Qilei Zhang (Hangzhou, China), Xiaoyong Zhu (Shaoxing, China), Xiang Liu (Shaoxing, China) and Lidan Qi (Shaoxing, China).

According to the abstract* released by the U.S. Patent & Trademark O...