Original sentence: M1 (20-O-beta-D-glucopyranosyl-20(S)-protopanaxadiol is a ppd-type monoglucoside ginsenoside metabolized by intestinal bacteria in Humans
Edited sentence: M1 (20-O-beta-D-glucopyranosyl-20(S)-protopanaxadiol) is a ppd-type monoglucoside ginsenoside metabolized by intestinal bacteria in Humans