ALEXANDRIA, Va., June 4 -- United States Patent no. 12,318,421, issued on June 3, was assigned to King's Ground Biotech Co. Ltd. (Pingtung County, Taiwan).

"Mung bean hull extract with antiviral effect and extraction method thereof" was invented by Hui-Wen Chen (Taipei, Taiwan), Feng-Ling Yu (Neipu Township, Taiwan), Ying-Nien Hung (Neipu Township, Taiwan) and Chia-Chen Pi (Neipu Township, Taiwan).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention is a mung bean hull extract with antiviral effect, and the mung bean hull extract achieves antiviral effect by inhibiting Alpha-glucosidase and neuraminidase. The present invention also relates to a method for extracting the mung bean hull extract ...