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来自 Dioscorea dumetorum (Kunth) Pax. 的植物性固醇. 以及它们的抗氧化和抗糖尿病活性
Priscilla Oluwakemi Aiyedun1, Mubo Adeola Sonibare2, Clement Odunayo Ajiboye3
1Department of Pharmacognosy, Faculty of Pharmacy, University of Ibadan, Oduduwa Road, 200132 Ibadan, Oyo, Nigeria; Genetic Resources Centre, International Institute of Tropical Agriculture, Oyo Road, 200001 Ibadan, Oyo, Nigeria.
Fitoterapia
|June 30, 2024
概括
尼日利亚植物迪奥斯科雷亚杜梅托勒姆 (Dioscorea dumetorum) 含有新型化合物,可以抑制关键的糖尿病相关酶. 这项研究验证了其传统用途,并确定了强大的生物活性植物化学物质,以便进一步研究.
科学领域:
- 植物化学 植物化学
- 药理学 药理学是指药理学的学科.
- 民族植物学 民族植物学
背景情况:
- 糖尿病影响全球超过5.4亿成年人,需要新的治疗策略.
- Dioscorea dumetorum (非洲豆) 是一种传统的抗糖尿病植物,对其活性化合物的科学研究有限.
研究的目的:
- 从迪奥斯科雷亚杜梅托勒姆的茎和皮肤中分离和描述生物活性植物化学物质.
- 评估分离化合物的体外抗糖尿病潜力,特别是它们对α-葡萄糖酶和α-氨基酶的抑制作用.
主要方法:
- 使用从D.dumetorum中提取的乙烯酸乙烯酸提取物的指导分离来进行植物化学分离.
- 通过光谱和光谱分析来阐明分离化合物的结构.
- 在体外酶抑制试验测试以确定alpha-glucosidase和alpha-amylase的IC50值.
主要成果:
- 分离了三种植物性cdysteroids (两个新的:24-hydroxymuristerone A,24-hydroxykaladasterone) 和其他三种化合物 (2,2',7,7'-tetramethoxy-[1,1'-biphenanthrene]-4,4',6,6'-tetraol,Batatasin I,dihydroresveratrol) 的三种化合物.
- 乙酸乙烯提取物显示出高含量和抗氧化活性.
- 化合物 2,2',7,7'-tetramethoxy-[1,1'-biphenanthrene]-4,4',6,6'-tetraol和dihydroresveratrol表现出显著的α-葡萄糖酶抑制,表现优于阿卡尔.
- 化合物muristerone A,2,2',7,7'-tetramethoxy-[1,1'-biphenanthrene]-4,4',6,6'-tetraol和巴塔I显示出中度的α-氨酶抑制.这些化合物中含有氨酸.
结论:
- 这项研究成功地隔离和表征了Dioscorea dumetorum的新型和已知的化合物.
- 分离的化合物,特别是2,2',7,7'-tetramethoxy-[1,1'-biphenanthrene]-4,4',6,6'-tetraol和dihydroresveratrol,显示出作为α-葡萄糖酶抑制剂的显著潜力.
- 这些发现为D.dumetorum在糖尿病管理中的传统用途提供了科学验证,并提供了有价值的植物化学数据.
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