1. 毕业设计（论文）的内容和要求

乳酸菌的胞外多糖（Exopolysaccharide,EPS）不仅具有重要的物理化学特性，还具有良好的生物活性，具有广阔的应用前景。

论文通过纯化得到植物乳杆菌胞外多糖，分析其结构组成，并结合体外抗氧化活性实验，研究乳杆菌胞外多糖的构效关系，为EPS的应用奠定基础。

2. 参考文献

1、ramchandran l, shah n p. effect of exopolysaccharides on the proteolytic and angiotensin-i converting enzyme-inhibitory activities and textural and rheological properties of low-fat yogurt during refrigerated storage[j]. journal of dairy science, 2009, 92(3):895-906.during refrigerated storage[j]. journal of dairy science, 2009, 92(3): 895-906.

2、liu c f, tseng k c, chiang s s, et al. immunomodulatory and antioxidant potential of lactobacillus exopolysaccharides[j]. journal of the science of food and agriculture, 2011, 91(12): 2284-2291.

3、wang k, li w, rui x, et al. characterization of a novel exopolysaccharide with antitumor activity from lactobacillus plantarum 70810[j]. international journal of biological macromolecules, 2014, 63: 133-139.

3. 毕业设计（论文）进程安排