Table 3.

Pearson’s correlation coefficients among bioactive components, antioxidant activity, inhibition rate of three lipid metabolism enzymes, and α-glucosidase inhibition rate

Item	CAF	TPs	TCs	TFs	DPPH	ABTS	ORAC	PL	HMG-COA reductase	LCAT
TPs	0.533ns
TCs	0.476 ns	0.925**
TFs	−0.441ns ns	−0.853*	−0.962**
DPPH	0.772*	0.572 ns	0.532 ns	−0.354 ns
ABTS	0.491ns	0.980**	0.981**	−0.927**	0.550 ns
ORAC	0.521 ns	0.969**	0.955**	−0.925**	0.515 ns	0.983**
PL	−0.274 ns	−0.711 ns	−0.880**	0.863*	−0.439ns	−0.817*	−0.747 ns
HMG-COA Reductase	0.340 ns	0.333 ns	0.270 ns	−0.009 ns	0.817*	0.297 ns	0.221 ns	−0.191 ns
LCAT	0.313 ns	0.902**	0.801*	−0.780*	0.235 ns	0.870*	0. 897**	−0.486 ns	0.086 ns
α-Glucosidase	−0.114 ns	−0.560 ns	−0.823*	0.857*	−0.191 ns	−0.711 ns	−0.683 ns	0.845*	−0.026 ns	−0.511 ns

CAF, caffeine content; TPs, TPs content; TC, TC content; TFs, total TFs content; DPPH, DPPH radical scavenging rate; ABTS, ABTS radical scavenging rate; ORAC, oxygen radical absorbing capacity; PL, PL inhibition rate; HMG-COA, HMG-COA reductase inhibition rate; LCAT, LCAT inhibition rate; α-Glucosidase, α-glucosidase inhibition rate. ns = non significant and *,** = significant at P < 0.05 or 0.01, respectively.