日本一家包装公司利用生产豆腐等豆制品的副产品——豆腐渣,制成一种可溶解于水的食用纸。这种可食用纸,是将豆腐渣中加入脂酶及蛋白酶进行分解,经过温水洗、干燥成干纤维,再加上山药、芋头、糊精、低聚糖类、聚丙二醇等粘结剂制成。这种纸用于制作方便面、调味料及微波炉食品 A Japanese packaging company makes tofu, a byproduct of bean products such as tofu, to make a paper that dissolves in water. This edible paper, which is made by adding lipase and protease into the bean curd residue, is washed with warm water, dried into dry fiber, and then combined with a binder such as yam, taro, dextrin, oligosaccharide and polypropylene glycol to make. This paper is used to make instant noodles, seasonings and microwave food