The present invention relates to polymeric biosurfactants isolated from two bacterial strains of Microbacterium sp. strain BS-2 [MTCC 5822] and Brevibacillus sp. strain BS-207 [MTCC 5823]. The present invention relates to an acidic exopolysaccharide (EPS), termed Microsan, with chemical composition of glucose, mannose and glucuronic acid (β-D-glucuronyl-(1-2)-D-mannosyl-(1-4)-D-glucose) produced by Microbacterium sp. strain BS-2 and a neutral EPS, termed Brevisan, of galactomannan with galactose and mannose residues in the ratio of 1:1 produced by Brevibacillus sp. strain BS-207. Both these polysaccharides exhibited surface-active and potential antibacterial, antioxidant, anti-inflammatory, and immunomodulatory activities.
本发明涉及从微杆菌 BS-2 株[M
TCC 5822]和芽孢杆菌 BS-207 株[M
TCC 5823]两株细菌中分离出来的高分子
生物表面活性剂。本发明涉及一种由微细菌菌株 BS-2 产生的酸性外
多糖(EPS),称为 Microsan,其
化学成分为
葡萄糖、
甘露糖和
葡萄糖醛酸(β-
D-葡萄糖醛酸基-(1-2)-
D-甘露糖基-(1-4)-
D-葡萄糖);以及一种由
乳酸杆菌菌株 BS-207 产生的中性外
多糖,称为 Brevisan,其
化学成分为
半乳甘露聚糖,半
乳糖和
甘露糖残基的比例为 1:1。这两种
多糖都具有表面活性和潜在的抗菌、抗氧化、抗炎和免疫调节活性。