Purple corn husk extract (PCHE) (containing 20 g anthocyanin/ 100 g purple corn husk extract) was prepared and extracted from purple corn husk (2 kg) by using 75% ethanol for 16 h at room temperature in darkness and evaporating at 50 C.
Purple corn husk extract (PCHE) (containing 20 g anthocyanin/100 g purple corn husk extract) was prepared and extracted frompurple corn husk (2 kg) by using 75% ethanol for 16 h at room temperaturein darkness and evaporating at 50 C.