Extraction of Flavonoids from Corn Silk and Biological Activities In Vitro

Table 1

Structures and molecular weight of flavonoids or flavone glycosides from corn silk.

Structures of flavonoids or flavone glycosides	Chemical ingredients	Molecular weight
	2″-O-α-L-Rhamnosyl-6-C-quinovosylluteolin	570
	2″-O-α-L-Rhamnosyl-6-C-fucosylluteolin	586
	2″-O-α-L-Rhamnosyl-6-C-fucosyl-3′-methoxyluteolin	600
	2″-O-α-L-Rhamnosyl-6-C-3″-deoxyglucosyl-3′-methoxyluteolin	608
	6,4′-Dihydroxy-3′-methoxyflavone-7-O-glucosides	451
	ax-5″-Methane-3′-methoxymaysin	584
	ax-4″–OH–3′-Methoxymaysin	586
	7,4′-Dihydroxy-3′-methoxyflavone-2″-O-α-L-rhamnosyl-6-C-fucoside	602
	Isoorientin-2-2″-O-α-L-rhamnoside	632
	Maysin	576
	Maysin-3′-methyl ether	590