Extraction Optimization, Preliminary Identification, and Bioactivities in Corn Silk

Table 7

The inhibitory effect of the corn silk ethanol extract on α-amylase changed with the change in the sample concentration and reaction time (ethanol reflux).

Corn silk ethanol extract concentration (mg/mL)	Inhibition rate (%)
	20 min	30 min	40 min
0.5	19.32 ± 0.03	21.43 ± 0.33	17.52 ± 0.21
1.0	27.71 ± 0.53	30.13 ± 0.32	23.28 ± 0.34
1.5	32.17 ± 0.14	38.76 ± 0.23	31.92 ± 0.33