. 2020 Mar 2;10:3868. doi: 10.1038/s41598-020-59848-w

Table 5.

Coefficient of correlation for antioxidant phytopigments, β-carotene, TAC (ABTS⁺ and DPPH), vitamin C, TPC, and TFC in 16 A. blitum genotypes.

Traits	Chl b (mg 100 g⁻¹ FW)	Chl ab (mg 100 g⁻¹ FW)	Beta cyanin (µg 100 g⁻¹ FW)	Beta xanthin (µg 100 g⁻¹ FW)	Betalain (µg 100 g⁻¹ FW)	Total catonenoirds (µg g⁻¹ FW)	β- carotene (µg g⁻¹ FW)	Vitamin C (µg g⁻¹ FW)	TPC (GAE µg g⁻¹ DW)	TFC (RE µg g⁻¹ DW)	TAC (TEAC µg g⁻¹ DW)	TAC (ABTS⁺) (TEAC µg g⁻¹ DW)
Chlorophyll a (mg100 g⁻¹ FW)	0.88**	0.78**	0.62**	0.61**	0.61**	−0.53**	−0.44**	−0.001	0.45**	0.44**	0.55**	0.63**
Chlorophyll b (mg 100 g⁻¹ FW)		0.83**	0.60**	0.58**	0.59**	−0.55**	−0.49**	−0.011	0.44**	0.45**	0.53**	0.57**
Chlorophyll ab (mg 100 g⁻¹ FW)			0.64**	0.62**	0.63**	−0.62**	−0.48**	−0.007	0.47**	0.47**	0.57**	0.53**
Betacyanin (µg 100 g⁻¹ FW)				0.85**	0.87**	−0.71**	−0.54**	−0.10	0.53**	0.55**	0.61**	0.68**
Betaxanthin (µg 100 g⁻¹ FW)					0.85**	−0.66**	−0.52**	−0.12	0.51**	0.54**	0.60**	0.68**
Betalain (µg 100 g⁻¹ FW)						−0.67**	−0.53**	−0.11	0.52**	0.54**	0.61**	0.75**
Total catonenoirds (µg g⁻¹ FW)							0.84**	−0.18	0.54**	0.48**	0.68**	0.85**
β-carotene (µg g⁻¹ FW)								−0.17	0.29*	0.44**	0.57**	0.54**
Vitamin C (µg g⁻¹ FW)									0.05	0.02	0.06	0.08
TPC (GAE µg g⁻¹ DW)										0.74**	0.66**	0.95**
TFC (RE µg g⁻¹ DW)											0.74**	0.79**
TAC (DPPH) (TEAC µg g⁻¹ DW)												0.98**

Chl a, Chlorophyll a; Chl ab, Chlorophyl ab; TAC, Total antioxidant capacity; TPC, Total polyphenol content; TFC, Total flavonoid content; *Significant at 5% level; **Significant at 1% level.