Journal of Food Quality / 2017 / Article / Tab 4

Research Article

Antioxidant Properties of Popular Turmeric (Curcuma longa) Varieties from Bangladesh

Table 4

FRAP and IC50 of DPPH values of turmeric varieties (mura and chora) collected from the Khulna and Chittagong divisions.

ParametersKMWKMEKCWKCECMWCMECCWCCE

DPPH radical-scavenging activity, IC50 (µg/mL)5.311.0812.513.0313.421.9716.551.19
FRAP (µM Fe per 100 g of sample)646.67 ± 2.483475.36 ± 173.101015.52 ± 3.114204.46 ± 74.48681.18 ± 24.203231.89 ± 337.10976.61 ± 2.481972.66 ± 104.78

FRAP data are expressed as the mean ± SD. IC50: inhibitory concentration 50%. Different letters (a, b, c, and d) in each row indicate a significant difference ().