目的研究普鲁兰多糖的潜在致突变性。
Objective To explore the potential mutagenic action of pullulan on mice.
普鲁兰多糖是一种天然物质，看其化学机构即可一目了然。
Nevertheless, pullulan is a natural substance, as is apparent from its chemical structure.
因此，普鲁兰多糖在水溶液中带有正电荷而其固有特性不变的性质非常重要。
Therefore, it was considered to be of considerable significance to render pullulan positively charged in an aqueous solution, its inherent characteristics being retained.
普鲁兰糖是一种由出芽短梗霉菌分泌的胞外多糖，广泛用于食品及医药行业。
Pullulan, a kind of exopolysaccharides produced by Aureobasidium pullulans, is widely used in food industry and Pharmaceutical industry.
从无毒生物材料中筛选出生物多糖普鲁兰，代替现有涂改液中的有毒物质，用于涂改液的制作。
One of the biotic polysaccharides-pullulan was selected from many nontoxic biotic materials in order to replace some toxic substances in the liquid used in correction pen.
从无毒生物材料中筛选出生物多糖普鲁兰，代替现有涂改液中的有毒物质，用于涂改液的制作。
One of the biotic polysaccharides-pullulan was selected from many nontoxic biotic materials in order to replace some toxic substances in the liquid used in correction pen.
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