Table 4. Nitr ite scavenging ability in the extracts of Metaplexis japonica Makino from leaf and stem in pH 1.2

Sample1)	Nitrite scavenging ability (%)
	62.5 μg/mL	125 μg/mL	250 μg/mL	500 μg/mL	1,000 μg/mL
	ALWE	54.47±0.24b3)	54.51±0.23b	54.68±0.65c	57.86±0.18c	77.30±0.47b
ASWE	52.33±0.99c	53.03±0.44c	54.55±0.71c	55.95±0.42c	56.60±0.65c
ALEE	53.07±0.93bc	54.68±0.91b	57.30±0.41b	61.57±0.31b	64.88±1.54c
ASEE	18.17±0.71d	19.22±0.41d	22.57±0.41d	29.54±2.70d	45.14±9.28d
AsA2)	93.20±0.12a	93.33±0.00a	99.17±0.59a	100.70±0.07a	100.05±0.00a

ALWE, Aneilema japonica leaf water extract; ASWE, Aneilema japonica stem water extract; ALEE, Aneilema japonica leaf ethanol extract; ASEE, Aneilema japonica stem ethanol extract.
AsA, ascorbic acid.
All value are expressed as mean±SD of triplicate Determinations. Different superscripts within the column are significantly different at p<0.05 by Duncan‘s multiple range test.