Research Article

Phytochemical Study and In Vitro Biological Activities of Hibiscus panduriformis Burm. f. (Malvaceae), Alternanthera pungens Kunth (Amaranthaceae), and Wissadula rostrata (Schumach.) Hook. f. (Malvaceae)

Table 5

Correlations of IC50 values of DPPH and ABTS radical scavenging activity of the methanolic extracts of the three plants with total polyphenolic compounds.

Radical scavenging activityCorrelation
DPPHTPCTFCCTCHTC

DPPH—0.9376/0.8791-0.7931/0.6290-0.9103/0.8286-0.9757/0.9519
ABTS0.3621/0.13110.6636/0.44040.2805/0.07870.0563/0.0032-0.1489/0.0222

: correlation coefficient; : coefficient of determination. There was no statistically significant () difference between the correlations. TPC: total phenolic content; TFC: total flavonoid content; CTC: condensed tannin content; HTC: hydrolyzable tannin content.