Bioactive polyphenolic compounds and antioxidant potentials of two leafy vegetables in Bangladesh: the Momordica charantia and the Ipomoea aquatica

Table 2 Yield and DPPH radical-scavenging activities of M. charantia and I. aquatica extracts

Samples	Yield (%)	DPPH scavenging activity (IC₅₀, µg/mL)	Regression equation of % Inhibition (r²)
MCE	16.59 ± 0.42	333.22 ± 67 .37^a	Y = 14.75ln(x)-35.68 r² = 0.976
IAE	14.16 ± 0.27	560.74 ± 10.25^b	Y = 12.27ln(x)-27.66 r² = 0.987
Ascorbic acid	-	16.08 ± 0.96^c	Y = 14.55ln(x) + 9.58 r² = 0.883

The same letter (s) on the top of the IC₅₀ of the same experiment did not differ significantly at the 5% level of significance

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