Antiradical effect and phytochemical characterisation of the leaves of Parkia platycephala Benth

被引：0
|
作者：
Costa, Isabella Cristhina Goncalves [1 ]
Damasceno, Fernando Cruvinel [2 ]
Menegatti, Angela Camila Orbem [1 ,3 ]
Vieira Junior, Gerardo Magela [1 ]
Chaves, Mariana Helena [1 ]
Ferreira, Everton Leandro de Franca [1 ,2 ]
机构：
[1] Univ Fed Piaui, Ctr Ciencias Nat, Dept Quim, Teresina, Brazil
[2] Univ Fed Vale sao Francisco, Quim, Sao Raimundo Nonato, Brazil
[3] Univ Fed Paraiba, Ctr Ciencias Exatas & Nat, Dept Biol Mol, Joao Pessoa, Brazil
来源：
NATURAL PRODUCT RESEARCH | 2024年
关键词：
Parkia platycephala; leguminoseae; triterpenoids; phenolic profile; antiradical activity; ETHANOLIC EXTRACT; DERIVATIVES; FLAVONOIDS; ACID;
D O I：
10.1080/14786419.2024.2405009
中图分类号：
O69 [应用化学];
学科分类号：
081704 ;
摘要：
The objective of this study was to isolate and identify compounds present in the leaves of Parkia platycephala Benth (Leguminosae-Mimosoideae) and evaluate the antiradical potential of the derived extracts and fractions. Seven compounds were successfully isolated from the ethanolic leaf extract, comprising gallic acid, flavonoids, triterpenoids, and phytosteroids. Structural identification was accomplished through comprehensive spectroscopic data analysis, including NMR and mass spectrometry (ESI-MS), and comparison with existing literature. The antiradical efficacy of both the extract and its fractions was determined in vitro through assays measuring 1,1-diphenyl-2-picrylhydrazyl (DPPH) radical scavenging and quantifying total phenolics via UV/Vis, revealing notable antioxidant activity in extracts from P. platycephala Benth, especially in the EtOH, EtOAc, and aqueous fractions, attributed to their high phenolic content and prevalence of flavonoids. These findings contribute to a deeper understanding of Parkia's chemical composition and its potential biological benefits. [GRAPHICS] .
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页数：5
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