Table 4.

Some selected glycosylation of quercetin in other native bacterial strains.

Quercetin glycosides	Microorganisms used for biotransformation	References
Quercetin 3-O-β-D-glycoside	Gliocladium deliquescensNRRL 1086/quercetin to quercetin glycoside	22
Quercetin 4’-O-β-glucuronide	Streptomyces M52104/quercetin to quercetin glucuronides	23
Quercetin 3-O-β-glucuronide
Quercetin 7-O-β-glucuronide
Quercetin 3’-O-β-glucuronide
Quercetin-7-O- β-4’’-deoxy-hex-4’’-enopyranosiduronic acid	Streptomyces rimosus subsp. rimosus ATCC 10970/quercetin to Quercetin-7-O- β-4’’-deoxy-hex-4’’-enopyranosiduronic acid	24