Instituto de Ciência, Engenharia e Tecnologia, Universidade Federal dos Vales do Jequitinhonha e Mucuri, Teófilo Otoni, Brazil.
Departamento de Química Analítica, Universidade Federal de Juiz de Fora, Instituto de Ciências Exatas, Juiz de Fora, Brazil.
Nat Prod Res. 2021 Nov;35(22):4819-4823. doi: 10.1080/14786419.2020.1727472. Epub 2020 Feb 17.
The present study highlights the antioxidant and anti-inflammatory activities from leaves ethanolic extract (EEAc) and its phytochemical profile. The chemical profile of EEAc was determined and free radical scavenging potential, cell viability in RAW 264.7 and and anti-inflammatory activity were evaluated. The analysis of EEAc showed several phenolic compounds such as tannins and phenolic acids. The high antioxidant potential observed is possibly due to its high phenolic content. The EEAc (500 mg kg) showed an effect at the same level of dexamethasone; , at 50 μg mL, inhibited approximately 80% of nitric oxide production concentration, showed an inhibition of more than 50% of TNF-α production and presented high cell viability. The results show that leaves are an important source of phytochemicals that possesses antioxidant and anti-inflammatory properties.
本研究强调了 叶乙醇提取物 (EEAc) 的抗氧化和抗炎活性及其植物化学特征。测定了 EEAc 的化学成分,并评估了其自由基清除能力、RAW 264.7 细胞活力和抗炎活性。EEAc 的分析表明存在几种酚类化合物,如单宁和酚酸。观察到的高抗氧化潜力可能是由于其高酚含量。EEAc(500mg/kg)在与地塞米松相同的水平上表现出 作用;在 50μg/mL 时,抑制约 80%的一氧化氮产生浓度,表现出超过 50%的 TNF-α产生抑制作用,且细胞活力较高。结果表明, 叶是具有抗氧化和抗炎特性的植物化学物质的重要来源。