Evaluation of Anti-HIV-1 Integrase and Anti-Inflammatory Activities of Compounds from Betula alnoides Buch-Ham

Table 1

Anti-HIV-1 IN activity of B. alnoides extract and its fractions.

Sample	IC50 (μg/mL)
Ethanol extract	17.6 ± 1.5^b
n-Hexane fraction	>100
Chloroform fraction	25.5 ± 1.4^d
Ethyl acetate fraction	76.5 ± 1.7^e
Water fraction	20.5 ± 0.7^c
Emulsion of water and chloroform fraction	>100
Suramin (positive control)	3.9 ± 0.3^a

Each value represents mean ± S.E.M. of four determinations. Different characters (a, b, c, d, and e) indicate significant differences among the compared means which in the same treatment group at .