DPPH scavenging (a) and inhibition of linoleic acid peroxidation (b) of Yam-Curculigo pilosa composite flours. Y0CP, Control; Y1CP, 1% of yam flour was substituted by Curculigo pilosa; Y3CP, 3% of yam flour was substituted by Curculigo pilosa; Y5CP, 5% of yam flour was substituted by Curculigo pilosa; Y10CP, 10% of yam flour was substituted by Curculigo pilosa