Fig. 3From: Biosynthesis of three N-acetylaminosugar-conjugated flavonoids using engineered Escherichia coli Analysis of quercetin biotransformation product using E. coli strain QS-1. P1 Quercetin 3-O-(N-acetyl)glucosamine; P2 quercetin 3-O-(N-acetyl)quinovosamine; S, quercetinBack to article page