粒毛盘菌胞外多糖体外降血糖和降血脂活性研究
In Vitro Hypoglycemic and Hypolipidemic Activities of LEP
DOI: 10.12677/AMB.2019.81004, PDF,  被引量   
作者: 刘玉婷, 王 进, 叶 明, 李井雷*:合肥工业大学食品与生物工程学院,安徽 合肥
关键词: 多糖粒毛盘菌降血糖降血脂Polysaccharides Lachnum sp. Hypoglycemic Hypolipidemic
摘要: 多种真菌活性多糖具有降血糖、降血脂等生物活性作用。粒毛盘菌经深层发酵可以产生胞外多糖,前期研究显示其具有多种生物活性。本研究首先采用大罐发酵粒毛盘菌YM240,再对其发酵液进行胞外多糖的提取、分离纯化,结果显示粒毛盘菌胞外多糖(LEP)的提取率为0.14 g/L,主要组分推测为中性多糖和酸性多糖。然后对LEP降血糖、降血脂活性进行了体外活性检测,发现LEP对α-葡萄糖苷酶和α-淀粉酶活性具有明显的抑制作用,表现出一定的体外降血糖活性;同时,LEP可以抑制脂肪酶活性,并且可以显著结合胆酸盐,表现出较强的体外降血脂活性。通过以上研究,表明了LEP在体外具有一定的降血糖和降血脂活性,为进一步阐明作用机理提供了科学根据。
Abstract: Several fungal polysaccharides possess hypoglycemic, hypolipidemic and other biological activi-ties. Through deep fermentation, Lachnum sp. can produce extracellular polysaccharides which have shown a variety of biological activities proved by previous studies. In this study, a 100 L fermenter was used to ferment Lachnum YM240, and the extracellular polysaccharide was extracted and separated from the fermentation broth. The results showed that the extraction rate of exopolysaccharide (LEP) was 0.14 g/L which is presumed to be mainly neutral and acidic polysaccharides. Then, in vitro hypolipidemic and hpyerglycemic activities of LEP were examined. It was found that LEP has a significant inhibitory effect on α-glucosidase and α-amylase activity, showing certain in vitro hypoglycemic activity. At the same time, LEP inhibited lipase activity and could significantly bind cholate, showing a strong in vitro hypolipidemic activity. Through the above studies, it is shown that LEP has a certain hypoglycemic and hypolipidemic activity in vitro, which provides a scientific basis for further elucidation of the working mechanism.
文章引用:刘玉婷, 王进, 叶明, 李井雷. 粒毛盘菌胞外多糖体外降血糖和降血脂活性研究[J]. 微生物前沿, 2019, 8(1): 22-32. https://doi.org/10.12677/AMB.2019.81004

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