可食用膜作为一种软包装材料，需要对其进行封口制袋。

Edible films needed to be sealed when used as a packaging bag.

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以小麦面筋蛋白为原料，制备可食用包装膜。

Edible packing films were prepared with wheat gluten.

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可食性胶原蛋白膜以胶原蛋白为主要原料，辅以可食性添加剂而成的食用薄膜，可用于糖果、蜜饯、果脯、糕点等的内包装膜。

The edible collagen protein film was made from collagen protein as main material and with eatable additives as auxiliary material.

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