Phytochemical analysis, radical scavenging and glioblastoma U87 cells toxicity studies of stem bark of buckthorn (Rhamnus pentapomica R. Parker)

Table 1 DPPH free radical scavenging effect of Rhamnus Pentapomica R. Parker

S. No	Conc. µg/ml	Scavenging % ± SEM (n = 3)
S. No	Conc. µg/ml	Rp.Cme	Rp.Chf	Rp.EtAc	Rp.Bt	Ascorbic acid
1	100	40.42 ± 1. 20^ns	33.33 ± 0. 59**	38.70 ± 1.60*	33.70 ± 0.99**	55.31 ± 0.05
2	200	54.38 ± 1. 36^ns	49.42 ± 0.89^ns	54.83 ± 0.28^ns	48.31 ± 0.81^ns	60.6 3 ± 0.01
3	400	74.25 ± .1.16^ns	67.81 ± 0. 95^ns	66.66 ± 0.12^ns	64.83 ± 1.34^ns	75.53 ± 0.02
4	800	84.25 ± 1.97^ns	80.45 ± 0.82^ns	76.34 ± 1.87^ns	73.03 ± 1.43^ns	87.23 ± 0.001
5	1000	89.36 ± 1.20^ns	83.90 ± 0.18^ns	84.51 ± 1.12^ns	83.14 ± 2.14^ns	93.61 ± 0.05

Rp.Cme Methanol extract, Rp.Chf Chloroform, Rp.EtAc Ethyl acetate, Rp.Bt Butanol fractions, ns Values not significantly different when compared with standard/control group
^*p < 0.05 and **p < 0.01 when compared with standard group

ISSN: 2662-7671