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发明授权
CN105132318B 植物乳杆菌Grx16及其应用 有权

植物乳杆菌Grx16及其应用
摘要：
本发明涉及具有抑制α‑葡萄糖苷酶活性能力的乳酸菌的分离、筛选及鉴定，具体是一种植物乳杆菌及其应用。从广西巴马长寿人群肠道中分离乳酸菌，在比较耐酸及耐胆盐特性，体外抗氧化能力，对抗生素具敏感性综合比较基础上，通过体外试验筛选出一株具有抑制α‑葡萄糖苷酶活性能力最强的菌株，经生理生化试验、API试剂条及16s rDNA测序分析，将该菌株鉴定为植物乳杆菌Grx16(Lactobacillus plantarum Grx16)。该菌株可用于制备具有抑制α‑葡萄糖苷酶活性能力的发酵乳。
摘要（英）：

The invention relates to separation, selection and identification of lactobacilli having a function of inhibiting activity of alpha-glucosidase, in particular to a lactobacillus plantarum and an application thereof. Lactobacilli are separated out from intestinal canals of longevous people in Bama of Guangxi; on the basis of comprehensive comparison of acid resistance, cholate resistance, in-vitro antioxidant ability and sensitivity to antibiotics, a strain having a best inhibition function to activity of alpha-glucosidase is selected out by means of in-vitro tests; the strain is identified as Lactobacillus plantarum Grx16 by means of physiological and biochemical tests, API reagent strips and 16s rDNA sequencing analysis. The lactobacillus plantarum Grx16 can be used for preparation of fermented milk having the function of inhibiting activity of alpha-glucosidase.

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