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Isolation and NMR Characterization of Ursane-Type Triterpenoid from the Leaves of Peperomia pellucida


J.C. Ibe–Diala
O.U. Igwe
C. Friday
U.C. Akwada

Abstract

Peperomia pellucida is a member of the Piperaceae family. Extraction of plant material was carried out by Soxhlet extraction method using hexane and ethylacetate as solvents respectively. The extract was concentrated using a rotary evaporator, followed by isolation and purification using column and thin layer chromatographic techniques. Fraction C20 showed a clearly defined single spot with Rf value of 0.51. Using 1HNMR, 13C-DEPT, COSY, HSQC and HMBC and by comparison with literature values, the structure of the compound was established as an Ursane-type triterpenoid. The use of P. pellucida in ethnomedicine for the treatment of various ailments could be attributed to the Ursane-type triterpenoid and other bioactive chemical compounds present in the plant.


Keywords: Peperomia pellucida, extraction, isolation, chromatographic techniques, ursane-type triterpenoid


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eISSN: 2659-1499
print ISSN: 2659-1502