Novel acyclic diterpeneoid from Bornean local red Chilli pepper Capsicum frutescens L.

Kazuki Tani and Norhidayah Tumiran and Rolinus Paulous and Charles S. Vairappan (2023) Novel acyclic diterpeneoid from Bornean local red Chilli pepper Capsicum frutescens L. Records and Natural Product, 17. pp. 145-150. ISSN 1307-6167

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Abstract

An unknown acyclic diterpene (3S, 6E, 10E, 14Z)-3-hydroxy-3,7,11,15-tetramethyl-1,6,10,14- hexadecatetraene acid (1) along with four known secondary metabolites (3S, 6E, 10E, 14Z)-20- hydroxygeranyllinalool (2), trans-capsaicin (3), nordihydrocapsaicin (4) and capsidiol (5) were isolated from the Bornean red chilli pepper Capsicum frutescens L. The structures of the secondary metabolites were determined based on spectroscopic data analysis such as NMR, HRESIMS, and IR data. The new compound 1 is a carboxylic acid precursor that would condensate with vanillylamine in the phenylpropanoid pathway in the biosynthesis of capsaicinoids. Discovery of this compound is an important milestone in our understanding of the capsaicinoids biosynthesis.

Item Type:	Article
Keyword:	Capsicum frutescens L, red chilli peppers, acyclic, diterpene
Subjects:	Q Science > QK Botany > QK1-989 Botany > QK474.8-495 Spermatophyta. Phanerogams S Agriculture > SB Plant culture > SB1-1110 Plant culture
Department:	INSTITUTE > Institute for Tropical Biology and Conservation
Depositing User:	SITI AZIZAH BINTI IDRIS -
Date Deposited:	21 Jul 2023 14:43
Last Modified:	21 Jul 2023 14:43
URI:	https://eprints.ums.edu.my/id/eprint/36055

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