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Nat Prod Res ; 35(22): 4789-4793, 2021 Nov.
Artículo en Inglés | MEDLINE | ID: mdl-32011167

RESUMEN

Trichilia ramalhoi Rizz. is a species from Meliaceae family and its chemical composition and biological activities are still unknown. This work describes the chemical composition and biological activities of the organic extracts of this plant. Therefore, methanolic extract of stem barks and leaves were prepared and submitted to chromatographic procedures. Besides, T. ramalhoi extracts biological evaluation showed antioxidant, antinociceptive and, anti-inflammatory activities. Usual chromatographic procedures of the active extracts permitted to isolate methyl 5-O-caffeoylquinate, apocynin C, cinchonains Ia and Ib, besides ß-sitosterol, stigmasterol and lupeol. The identification of the isolates was based on 13C and 1H NMR (1 D and 2 D) spectroscopic data and mass spectrometry. Although the flavalignans cinchonains Ia and Ib were previously isolated from T. catigua, this is the first occurrence of apocynin C in the Meliaceae family.


Asunto(s)
Antioxidantes , Meliaceae , Analgésicos/farmacología , Antiinflamatorios/farmacología , Antioxidantes/farmacología , Extractos Vegetales/farmacología
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