Table 5.

Correlation coefficients for chlorophylls, total carotene contents, antioxidant leaf pigments, and TPCs, TFCs, and TAAs of four selected genotypes of A. lividus leafy vegetable under salinity stress.

Parameters	Chl a (μg·g−1)	Chl b (μg·g−1)	T Chl (μg·g−1)	TCC (μg·g−1)	Betacyanin (ng·g−1)	Betaxanthin (ng·g−1)	Betalain (ng·g−1)	TPC (µg g−1 GAE dw)	TFC (µg g−1 QE dw)	TAA (%)
Chl a		0.956 **	0.994 **	0.856 **	0.768 **	0.807 **	0.805 **	0.309 *	0.261	0.225
Chl b			0.982 **	0.784 **	0.784 **	0.794 **	0.800 **	0.270	0.212	0.170
T Chl				0.838 **	0.781 **	0.810 **	0.810 **	0.299 *	0.246	0.206
TCC					0.617 **	0.645 **	0.644 **	0.094	0.174	0.237
Betacyanin						0.948 **	0.974 **	0.495 **	0.499 **	0.209
Betaxanthin							0.995 **	0.662 **	0.650 **	0.429 **
Betalain								0.619 **	0.612 **	0.368 *
TPC									0.736 **	0.617 **
TFC										0.724 **

Chl a = chlorophyll a (μg·g⁻¹); chl b = chlorophyll b (μg·g⁻¹); T Chl = total chlorophyll (μg·g⁻¹); TCC = total carotene content (μg·g⁻¹); TPC = total polyphenol content (µg/g GAE dw); TFC = total flavonoid content (µg/g QE dw); TAA = total antioxidant activity (%); * significant at 5% level, ** significant at 1% level, (n = 5).