. 2020 Oct 26;10:18287. doi: 10.1038/s41598-020-71727-y

Table 2.

The correlation coefficient for antioxidant constituents, and antioxidant capacity in selected four drought-tolerant leafy vegetables amaranth.

	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)
Vitamin C	0.86**	0.89**	0.86**	0.92**
Total polyphenols		0.87**	0.92**	0.95**
Total flavonoids			0.84**	0.87**
AC (DPPH)				0.98**

AC (DPPH) antioxidant capacity (DPPH), AC (ABTS⁺) antioxidant capacity (ABTS⁺).

*Significant at 5% level.

**Significant at 1% level, (n = 3).