Antioxidative Effect of Amomum testaceum Ridl. Extract for Protecting against Vascular Dementia

Table 1

Total phenolic compound, scavenging capacity of DPPH, and FRAP activity of SCE.

No.	Substance	Total phenolic compounds (mg/100 GAE)	EC50 of DPPH (ug/mL)	EC50 of FRAP (ug/mL)
1	SCE
2	Vitamin C	—

Remark: these values represent the deviation of three independent investigations. Total phenolic content is given as mg gallic acid equivalent/g. : the EC50 value is the effective concentration that elicits a reaction halfway between baseline and maximum after a defined exposure time.