Fig. 1

DPPH scavenging activities of crude n-hexane extracts of Ipomoea batatas L. leaves. Blue—day 1, Red—day 7, Orange—day 14. Blue—ascorbic acid, Red—I. batatas
DPPH scavenging activities of crude n-hexane extracts of Ipomoea batatas L. leaves. Blue—day 1, Red—day 7, Orange—day 14. Blue—ascorbic acid, Red—I. batatas