US Patent Issued to XI'AN YUEDA BIOTECHNOLOGY on May 12 for "Production method of recombinant Escherichia coli and high-purity ursodeoxycholic acid" (Chinese Inventors)

ALEXANDRIA, Va., May 12 -- United States Patent no. 12,624,335, issued on May 12, was assigned to XI'AN YUEDA BIOTECHNOLOGY Co. LTD. (Xi'an, China).

"Production method of recombinant Escherichia coli and high-purity ursodeoxycholic acid" was invented by Tian Zhang (Xi'an, China), Tong Xue (Xi'an, China) and Lihui Zhu (Xi'an, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention belongs to the field of bioengineering technologies, and in particular, to a production method of recombinant Escherichia coli (E. coli) and high-purity ursodeoxycholic acid (UDCA). The present invention constructs novel double-enzyme co-expression gene engineered bacteria, that is, recombinant E. coli. The bacter...