Research Article

Crystal Guava (Psidium guajava L. “Crystal”): Evaluation of In Vitro Antioxidant Capacities and Phytochemical Content

Table 2

Correlation of the TPC and TFC of crystal guava extracts with AAI DPPH, CUPRAC, and FRAP.

Antioxidant parameterPearson’s correlation coefficient (r)
TPCTFC

AAI DPPH LV0.824−0.900
AAI DPPH FR0.9820.924
AAI FRAP LV0.990−0.969
AAI FRAP FR0.9870.948
AAI CUPRAC LV0.981−0.979
AAI CUPRAC FR0.9460.996

 = significant at .