US Patent Issued to Zhongyang Biotechnology (Shanghai) on Aug. 18 for "Method for efficiently extracting and separating high-purity tetrodotoxin from pufferfish viscera" (Chinese Inventors)

ALEXANDRIA, Va., Aug. 18 -- United States Patent no. 12,709,618, issued on Aug. 18, was assigned to Zhongyang Biotechnology (Shanghai) Co. Ltd. (Shanghai).

"Method for efficiently extracting and separating high-purity tetrodotoxin from pufferfish viscera" was invented by Haihang Li (Shanghai), Linlin Zhang (Shanghai), Wenlong Zhang (Shanghai), Junmei Zeng (Shanghai), Zhiyong Chu (Shanghai), Jianhua Ye (Shanghai) and Xiaoming Qian (Shanghai).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method for extracting and separating high-purity tetrodotoxin (TTX) from pufferfish viscera, comprising the following steps: adding an acid alcohol homogenate to pufferfish viscera, adding a certain amount of a flow aid and ...