Table 4.
Angiotensin converting enzyme inhibitory activity of Saururus chinensis extracts by gr inding technique

Grinding technique	Inhibition rate of angiotensin converting enzyme (%)
	Water extracts	50% Ethanol extracts
	Normal grinding	-	?24.21 1.2^a
Fine grinding	15.23 0.8^a	24.61 0.6^a
Ultrafine grinding	32.75 1.2^b	47.94 0.9^b

Means separation within columns by 5% DMRT.