Protoflavanones from the Wood Stem of Salvertia convallariodora

Author:

de Mesquita Mariana L.1,de Paula José E.2,Espindola Laila S.1,Soares Luiz A. L.3,da Silva Tania M. G.2,Camara Celso A.4,Da Silva Telma M. G.4

Affiliation:

1. Laboratório de Farmacognosia, Universidade de Brasília, Brasília, DF, Brazil, 70910-900

2. Laboratório de Anatomia Vegetal, Universidade de Brasília, Brasília, DF, Brazil, 70910-900

3. Programa de Pós-Graduação em Inovação Terapêutica, Universidade Federal de Pernambuco, Recife, PE, Brazil, 50670-901

4. Laboratório de Bioprospecção Fitoquímica, Universidade Federal Rural de Pernambuco, Recife, PE, Brazil, 52171-900.

Abstract

Phytochemical analysis of the ethyl acetate extract of stem wood of Salvertia convallariodora A. St.-Hil. (Vochysiaceae), a Brazilian Cerrado species, led to the isolation and full characterization of three new non-aromatic B-ring flavanones (1-3) as well as the terpene mixture of sericic acid (4), 24-hydroxytormentic acid (5), 24-hydroxytormentic acid glucosyl ester (6), and sericoside (7), all identified for the first time from S. convallariodora. The structures of the new flavanones (1-3) were established from IR, LC-PDA-qTOF-MS, and NMR spectral data, including 2D NMR experiments.

Publisher

SAGE Publications

Subject

Complementary and alternative medicine,Plant Science,Drug Discovery,Pharmacology,General Medicine

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