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一种来自Chlorella sp.的硫化外聚糖. 在体外表现出抗α-D-葡萄糖酶活性
Karima Guehaz1, Zakaria Boual2, Alia Telli2
1Laboratory for the Protection of Ecosystems in Arid and Semi-Arid Zones, FNSV, Kasdi Merbah University, 30000, Ouargla, Algeria. gagakarima@gmail.com.
Archives of microbiology
|April 16, 2024
概括
来自高度沙漠湖的一个新型Chlorella菌株产生具有显著的α-D-葡萄糖酶抑制活性的外聚糖,这表明它有可能作为一种天然的抗高血糖剂.
科学领域:
- 微生物学 微生物学
- 生物化学 生物化学
- 药理学 药理学是指药理学的学科.
背景情况:
- 微藻类正在探索来自极端环境的新生物活性化合物.
- 超的生态系统是独特的微藻菌株的潜在来源.
- 来自微藻的多糖体显示出各种应用的前景.
研究的目的:
- 从极端高盐环境中分离出产生多糖的微藻.
- 为了表征由孤立菌株产生的外聚糖 (EPS).
- 通过评估其α-D-葡萄糖酶抑制活性来评估EPS的抗高血糖潜力.
主要方法:
- 从阿尔及利亚沙漠的高盐湖中分离出微藻类.
- 从微藻超中提取和缩外聚糖.
- 福里埃变换红外光谱 (FTIR) 用于功能组分析.
- 气色谱-质谱 (GC-MS) 用于EPS成分分析.
- 在体外测定以确定α-D-葡萄糖酶抑制百分比和IC50值.
主要成果:
- 一种Chlorella菌株成功地从高盐湖中分离出来.
- FTIR分析表明,EPS中存在硫酸盐组.
- GC-MS发现EPS是一种异多聚糖,主要由银河糖,葡萄糖和树脂糖组成.
- EPS显示显著的α-D-葡萄糖酶抑制 (80.94%在10 mg/mL) 的IC50为4.31 mg/mL.
结论:
- 隔离的Chlorella菌株产生了一种强大的α-D-葡萄糖酶抑制剂.
- 外聚糖体显示出作为天然抗高血糖剂的潜力.
- 这项研究强调了极端友好型微藻在开发营养品和食品添加剂方面的价值.
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