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1·The ProPO was significantly activated by laminarin present in the plasma due to a much higher PO activity than that when the laminarin or the plasma was tested alone.

酚氧化酶原显著地受血浆和昆布多糖同时存在的激活，但两者单独存在时对酚氧化酶原的激活作用较弱。

2·Objectives to sulfate the laminarin, then analyze the structure of polysaccharide sulfate, so as to make a foundation for the further research about its biological activity.

目的昆布多糖进行硫酸酯化后，对产物结构进行分析，为研究其生物活性奠定物质基础。

3·The cytoplasm and intercellular fluid can be extracted from enzyme hydrolyzed cellulosic material and pectin, then the laminarin can be obtained via separation and purification.

应用酶解技术将纤维质和果胶质水解，提取出细胞质和细胞间液，再经分离纯化可提取海带多糖。

4·When laminarin as an immune activator was present, phenoloxidase (PO) activities in cell debris, hemocyte lysate solution and plasma were measured as 26.80, 16.68, and 2.53 u, respectively.

在免疫激活剂昆布多糖存在下，分别测得小菜蛾幼虫血细胞碎片、血细胞裂解液和血浆的酚氧化酶活性为26.80 U, 16.68 U和2.53 U。

5·Objectives: to sulfate the laminarin, then analyze the purity and elucidate the structure of polysaccharide sulfate, so as to make a foundation for the further research about its biological activity.

目的：对昆布多糖进行硫酸酯化，并对产物的纯度与结构进行分析，为研究其生物活性奠定物质基础。