Abstract
This work was aimed at isolating and characterizing the bioactive constituents from the crude methanol extract of the whole plant of Phaulopsis barteri . The crude extract which was subjected to a silica gel column chromatography separation using petroleum ether/ethyl acetate blend, eluted a white crystalline substance with a melting point of 215-216 0 C. PBA shows recognizable peak at 79.02ppm which is characteristic of a carbon carrying an oxygen and the 1 HNMR spectrum which shows an olefinic proton at δ 4.71 and 4.56 respectively was identified as lupeol which is a C 30 H 50 O moiety. Identification of the compound was purely by spectral analysis. Keywords: Phaulopsis barteri , Lupeol, C 30 H 50 O, Chromatography
Highlights
Africa is endowed with a wide array of medicinal plants which play important roles in the treatment of various ailments
Phaulopsis barteri was collected from Zaria, Kaduna state, Nigeria in the month of August, 2016 and identified by Mallam Namadi S. of the Herbarium, Department of Biological Sciences, Faculty of life Science, Ahmadu Bello University, Zaria, Nigeria
The 13C-NMR (400Hz) of PBA: 13C-NMR spectrum of PBA, the chemical shift observed at 79.02 ppm is typical of a carbon attached to an oxygen
Summary
Africa is endowed with a wide array of medicinal plants which play important roles in the treatment of various ailments. Acanthus ilicifolius Linn is distributed in South Africa, Seacoast of India, Philippines and Australia (Okoli, et al, 2008). Plants belonging to Acanthaceae family are medicinally important. Adhatoda vasicais used in Ayurvedic medicine for the treatment of various ailments of respiratory systems like bronchitis, asthma and it is used in the treatment of malaria, dysentery and diarrhea (Jain, 1984). Phaulopsis barteri is another member of this family with ethno medicinal usage in northern. The objective of this paper, is to isolate and characterize the bioactive compound(s) from the crude methanolic extract of the whole Phaulopsis barteri plant
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