Table 5. Nitr ite scavenging ability in the extracts of Metaplexis japonica Makino from leaf and stem in pH 3.0

Sample1)	Nitrite scavenging ability (%)
	62.5 μg/mL	125 μg/mL	250 μg/mL	500 μg/mL	1,000 μg/mL
	ALWE	4.90±0.98^b3)	7.28±0.15^bc	9.47±0.36^b	11.43±0.81^b	17.41±1.74^b
ASWE	5.72±2.12^b	7.83±0.30^b	10.73±0.30^b	11.28±0.75^b	13.59±0.35^c
ALEE	4.53±0.64^b	6.38±0.55^c	9.50±0.29^b	12.21±0.40^b	16.41±0.51^b
ASEE	0.11±0.10^c	4.31±0.77^d	7.39±0.41^c	10.02±0.60^b	13.40±2.31^c
AsA2)	12.14±0.53^a	14.85±0.66^a	40.09±1.94^a	68.34±3.41^a	86.23±0.40^a

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.