Supinya Tewtrakul, Sanan Subhadhirasakul, and Sopa Kummee

pp. 785 - 790

Abstract

The extracts of selected medicinal plants used as self medication by AIDS patients were investigated for their inhibitory activities against HIV-1 integrase (HIV-1 IN) using the multiplate integration assay (MIA). Of these, the water extract of Eclipta prostrata (whole plant) exhibited the most potent inhibitory activity with
an IC₅₀ value of 4.8 µg/ml, followed by the methanol extract of Eclipta prostrata (whole plant, IC₅₀ = 21.1 µg/ml), the water extract of Barleria lupulina (stem, IC₅₀ = 26.4 µg/ml), the chloroform extract of Barleria lupulina (stem, IC₅₀ = 33.0 µg/ml), the methanol extract of Barleria lupulina (stem, IC₅₀ = 38.2 µg/ml) and the
chloroform extract of Piper betle (leaf, IC₅₀ = 39.3 µg/ml), respectively.