Effect of Betula pendula Leaf Extract on α-Glucosidase and Glutathione Level in Glucose-Induced Oxidative Stress

Table 3

Results of HPLC analysis phenolic content in B. pendula ethanolic (BP-E) and aqueous (BP-W) leaf extract before and after hydrolysis.

Extract	Before hydrolysis (mg/g)		After hydrolysis
	Rutin; (mg/g)	Chlorogenic acid; (mg/g)	Protocatechuic acid; (mg/g)	Ellagic acid; (mg/g)	Quercetin; (mg/g)
BP-E	52.6	1.7	bLOQ	1.15	26.90
BP-W	25.8	1.8	28.55	2.25	23.45

bLOQ: below limit of quantification.