Table 4
Nitr ite scavenging ability of extracts from Ligularia fischeri

Sample1)		Nitrite scavenging ability (%)
		62.5 μg/mL	125 μg/mL	250 μg/mL	500 μg/mL	1,000 μg/mL
		pH 1.2	LWE	34.35±0.812)^bc3)	34.10±0.62^c	36.31±1.65^c	40.22±1.20^c	45.02±0.90^c
LEE	36.10±2.03^b		37.04±1.38^b	42.99±1.57^b	50.68±1.15^b	53.41±1.92^b
AsA	43.44±0.16^a		44.04±5.01^a	55.89±0.43^a	61.21±1.05^a	64.22±1.44^a
pH 3.0	LWE	28.44±1.26^b	30.50±0.99^bc	33.94±0.33^b	35.81±0.99^c	37.16±0.86^c
	LEE	27.98±0.40^bc	29.05±1.26^b	32.34±0.27^c	37.55±0.54^b	45.31±0.82^b
	AsA	44.31±1.10^a	45.31±0.56^a	46.19±0.88^a	47.40±1.33^a	51.90±0.57^a

LWE, Ligularia fischeri water extract; LEE, Ligularia fischeri 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.