Antioxidant Properties and Characterization of Heterotrigona itama Honey from Various Botanical Origins according to Their Polyphenol Compounds

Table 3

Correlation matrix between total phenolic content (TPC) and total flavonoids content (TFC) and antioxidant activity (FRAP and DPPH (IC₅₀)) of Heterotrigona itama and Apis honey.

Variables	TPC	TFC	DPPH (IC50)	FRAP
TPC	1.000
TFC	0.922	1.000
DPPH(IC50)	−0.813	−0.658	1.000
FRAP	0.919	0.991	−0.588	1.000

Significant at ; Not significant at . TPC = total phenolic content, TFC = total flavonoids content, DPPH = free radical scavenging activity, and FRAP = ferric reducing antioxidant power.