The preparation of curdlan and soy protein isolate(SPI) edible composite films had been studied, and glycerol was added as plasticizer. Besides, the film-forming mechanism was investigated by FT-IR.

以凝胶多糖和大豆分离蛋白作为成膜基材，添加甘油作为增塑剂，研制了一种可食性复合膜，并通过红外光谱谱图初步探讨了复合膜的成膜机理。

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Thus, it appeared that it was more reasonable to make films prepared from soy protein isolate as biodegradable films rather than as edible films.

由于大豆分离蛋白制备成膜后，其消化率和赖氨酸有效性下降，因此将大豆蛋白膜称为生物可降解膜似乎比称作可食性膜更科学。

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