Polyphenol and flavonoid profiles and radical scavenging activity in leafy vegetable Amaranthus gangeticus

BMC Plant Biology

Table 2 The correlation coefficient for antioxidant constituents and radical quenching capacity in four selected A. gangeticus leafy vegetables

	Vitamin C (mg 100 g^− 1 FW)	Total polyphenols (GAE μg g^− 1 FW)	Total flavonoids (RE μg g^− 1 DW)	AC (DPPH) (TEAC μg g^− 1 DW)	AC (ABTS⁺) (TEAC μg g^− 1 DW)
Pro-vitamin A	0.65^b	0.74^b	0.96^b	0.53^a	0.58^a
Vitamin C		0.78^b	0.85^b	0.77^b	0.78^b
Total polyphenols			0.61^b	0.88^b	0.87^b
Total flavonoids				0.58^a	0.56^a
AC (DPPH)					0.98^b

AC (DPPH) Antioxidant capacity (DPPH), AC (ABTS⁺) Antioxidant capacity (ABTS⁺), ^asignificant at 5% level, ^bsignificant at 1% level, (n = 3)

ISSN: 1471-2229