Steroids and phenolic derivatives from Tabebuia aurea (Bignoniaceae)

Mariele Rondon Santos Gonçalves; Ana Fábia Giacomelli; Mário Geraldo de Carvalho; Virgínia Claudia Paulino  Silva

doi:10.36560/18420252097

Authors

Mariele Rondon Santos Gonçalves Universidade Federal Rural do Rio de Janeiro
Ana Fábia Giacomelli Universidade Federal de Mato Grosso
Mário Geraldo de Carvalho Universidade Federal Rural do Rio de Janeiro
Virgínia Claudia Paulino Silva Universidade Federal de São Carlos

DOI:

https://doi.org/10.36560/18420252097

Keywords:

Tabebuia aurea, Bignoniaceae, Phytochemical analysis

Abstract

Tabebuia aurea (Bignoniaceae) is a medicinal plant traditionally used to treat various diseases, including infections and inflammatory conditions. In this study, the chemical composition of the root and stem bark extracts was investigated, leading to the isolation of steroids and phenolic compounds. The extraction process involved cold maceration with methanol, followed by liquid-liquid partitioning and chromatographic fractionation. The main metabolites identified were p-hydroxybenzoic acid, p-coumaric acid, cholestanone, β-sitosterol, stigmasterol, campesterol, (E)-4-methoxycinnamic acid, and (Z)-4-hydroxycinnamic acid. Structural elucidation was performed using NMR and mass spectrometry.

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