Luh joined the University of California, Davis faculty in 1952 as a researcher and lecturer in food chemistry, working his way to professor rank until his 1986 retirement. He would be named a Fellow of the Institute of Food Technologists (IFT) that same year. Luh's career would involve mentoring over 100 graduate students, many of whom would have successful careers of their own.
Legacy and professional career
The UC Davis food science department would dedicate his food chemistry lab as the Bor S. Luh Food Laboratory in May 2001, less than a month prior to his death while visiting in Hilo, Hawaii. A memorial was held in Hawaii on June 8, 2001 while a memorial was held in Davis, California on June 13, 2001..