ISOLATION OF AN ANTIFEEDANT TRITERPENOID FROM THE SEED OF Barringtonia asiatica

https://doi.org/10.22146/ijc.21873

Emma J Pongoh(1*), Rymond J Rumampuk(2), Ponis Tarigan(3), Anthony J Herlt(4), Lewis N Mander(5)

(1) Jurusan Kimia, Universitas Negeri Manado, Tondano-Minahasa, Sulawesi Utara 95618
(2) Pusat Penelitian Kimia, Lembaga Ilmu Pengetahuan Indonesia, Jalan Cisitu-Sangkuriang Gedung 50, Bandung 40135
(3) Jurusan Kimia, Universitas Padjadjaran, Jalan Singaperbangsa no.2 Bandung 40133
(4) Research School of Chemistry, Australian National University, Canberra ACT 0200
(5) Research School of Chemistry, Australian National University, Canberra ACT 0200
(*) Corresponding Author

Abstract


An antifeedant triterpenoid saponin has been isolated from the seed of Barringtonia asiatica and its structure elucidated mainly by two dimensional NMR spectroscopy is identified as 3-O-{[β-D-galactopyranosyl(1→3)-β-D-glucopyranosyl (12)]-β-D-glucuronopyranosyloxy}-22-O-[2-(E)-methyl-2-butenyloyloxy]-15, 16,28-trihydroxy-(3β,15α,16α,22α)-olean-12-ene. This compound showed antifeedant activity towards Epilachna sp larvae

 

Keywords: Barringtonia asiatica, saponin, antifeedant

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DOI: https://doi.org/10.22146/ijc.21873

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Indonesian Journal of Chemisty (ISSN 1411-9420 / 2460-1578) - Chemistry Department, Universitas Gadjah Mada, Indonesia.

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