Antidiabetic protolimonoids from the bark of Entandrophragma angolense

IF 2.6 3区 医学 Q3 CHEMISTRY, MEDICINAL Fitoterapia Pub Date : 2025-06-01 Epub Date: 2025-03-22 DOI:10.1016/j.fitote.2025.106487
Binh T.D. Trinh , Nhung T.H. Nguyen , Ngoc T.N. Ngo , Ly T.T. Nguyen , Lien-Hoa D. Nguyen , Le-Thu T. Nguyen
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Abstract

Three new protolimonoids, entandrophins A-C (13), together with two known compounds, methyl angolensate (4) and stigmas-4-en-3-one (5), were isolated from the bark of Entandrophragma angolense. Their structures were elucidated based on spectroscopic analyses, mainly 1D and 2D NMR spectral data. The compounds were evaluated for their cytotoxicity against HepG2 cells and α-glucosidase inhibitory activity. Compounds 14 displayed very weak activity against HepG2 cells but compounds 2 and 3 exhibited significant α-glucosidase inhibition with IC50 values of 57.5 ± 1.5 and 32.5 ± 0.9 μM, respectively.

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安哥兰树皮中抗糖尿病的类原胺素。
从安哥拉内参树皮中分离得到3个新的原甾烷类物质entandrophins A-C(1-3)和2个已知化合物安哥拉内参酸甲酯(4)和柱头-4-en-3-one(5)。通过波谱分析,主要通过一维和二维核磁共振数据对其结构进行了分析。研究了化合物对HepG2细胞的细胞毒性和α-葡萄糖苷酶抑制活性。化合物1-4对HepG2细胞的抑制作用较弱,而化合物2和3对α-葡萄糖苷酶的抑制作用显著,IC50值分别为57.5 ± 1.5和32.5 ± 0.9 μM。
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来源期刊
Fitoterapia
Fitoterapia 医学-药学
CiteScore
5.80
自引率
2.90%
发文量
198
审稿时长
1.5 months
期刊介绍: Fitoterapia is a Journal dedicated to medicinal plants and to bioactive natural products of plant origin. It publishes original contributions in seven major areas: 1. Characterization of active ingredients of medicinal plants 2. Development of standardization method for bioactive plant extracts and natural products 3. Identification of bioactivity in plant extracts 4. Identification of targets and mechanism of activity of plant extracts 5. Production and genomic characterization of medicinal plants biomass 6. Chemistry and biochemistry of bioactive natural products of plant origin 7. Critical reviews of the historical, clinical and legal status of medicinal plants, and accounts on topical issues.
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