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.

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结论利用壳多糖作为基质网架制备的组织工程化人工皮肤具有合成和分泌胶原蛋白的能力。

Conclusion the tissue engineering artificial skin which is reconstructed by chitosan as scaffold has the ability of synthesis and secretes collagen.

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黄原胶是野油菜黄单孢菌分泌的胞外多糖，可用淀粉或葡萄糖为碳源发酵生产。

The xanthan gum is the extracellular polysaccharide secreted by xanthomonas campestris from wild rape. It can be produced by fermentation with starch or glucose as the carbon source.

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