Table 4.

Simple linear regression analysis of x-variable (X-var) versus y-variable (Y-var) (p < 0.05) for beetroot juice (BJ), beetroot puree (BP) and whole beetroot (WB)

Sample	X-var	Y-var	Coefficient	Intercept	R2
BJ	TB	a*	− 0.0172	17.004	0.9367
	TB	C*	− 0.0179	17.653	0.9355
BP	TB	a*	− 0.0093	32.109	0.7059
	TB	C*	− 0.0087	35.547	0.6956
WB	TB	a*	− 0.0182	25.983	0.8037
	TB	C*	− 0.0208	28.062	0.8520