. 2013 Aug 12;10(5):283–291.

Table 5.

Percentage NO scavenging activities of extracts from various parts P. biglobosa

Extracts	Concentration (µg/ml)

	15	30	60	120	240

Stem bark
EtOAc	−24.74 ± 2..31^a	−47.96 ± 1.53^a	−47.96 ± 16.07^a	−100.00 ± 0.00^a	−100.00 ± 0.00^a
EtOH	55.47 ± 7.54^g	50.78 ± 3.67^f	31.60 ± 9.42^e	36.91 ± 8.00^c	43.45 ± 1.82^e
Aqueous	10.73 ± 0.72^d	18.53 ±0.69^d	33.40 ± 1.33^e	32.22 ± 5.05^c	22.51 ± 1.14^b
Root
EtOAc	0.00 ± 0.00^b	0.00 ± 0.00^b	0.00 ± 0.00^b	14.57 ± 7.66^b	24.71 ± 2.93^b,c
EtOH	34.39 ± 2.45^f	49.67 ± 0.85^f	48.73 ± 0.88^e,f	39.55 ± 1.62^c,d	29.08 ± 0.73^d
Aqueous	28.92 ± 1.78^e	32.36 ± 0.65^e	14.61 ± 2.20^c	20.20 ± 6.75^b	38.49 ± 6.05^e
Leaves
EtOAc	61.06 ± 4.96^g,h	63.54 ± 6.89^g	62.74 ± 14.33^f,g,h	42.53 ± 9.34^c,d,f	60.51 ± 2.86^g
EtOH	73.45 ± 1.98ⁱ	64.88 ± 7.31^g	65.19 ± 3.97^h	15.03 ± 6.28^b	18.02 ± 3.29^b
Aqueous	15.19 ± 7.08^d	32.45 ± 1.23^e	41.30 ± 7.71^e	51.67 ± 3.82^f	39.36 ± 4.67^e
Ascorbic acid	47.81 ± 0.51^g	50.97 ± 1.35^f	52.82 ± 1.35^g	56.72 ± 3.69^f,g	64.08 ± 4.25^g
Gallic acid	4.43 ± 2.69^c	7.52 ± 1.11^c	25.74 ± 0.44^d,e	27.66 ± 1.91^b,c	31.70 ± 2.51^d
Trolox	66.30 ± 1.23^h	65.51 ± 1.27^g	63.39 ± 1.84^h	59.53 ± 1.81^g	52.21 ± 2.47^f

Data are presented as mean ± SD values of triplicate determinations.

^a–i

Different superscripted letters for a given value within a column are significantly different from each other (Tukey's-HSD multiple range post hoc test, P<0.05)