食品保鲜膜作为一种新型卫生用品,在家庭中的使用日益普及。它在防止冰箱中各种菜肴串味、保持菜肴的新鲜度方面有一定的作用,但是它对菜肴(蔬菜)的营养素究竟有无保护作用呢?有关人员做了一些试验,检测结果归纳为以下几个方面。 菜热时,勿盖保鲜膜 当菜热的时候即加盖保鲜膜,不仅不能保护蔬菜中的维生素C,反而会增加其损失。包菜不盖膜的维生素C保存率为85％,而盖膜的为71％;花菜不盖膜的为97％,盖膜的仅为58％。其他如青菜等 Food cling film as a new type of hygiene products, the use of the family is increasingly popular. It has a certain effect in preventing various dishes in the refrigerator from smelling and keeping the freshness of the dishes, but does it have any protective effect on the nutrients of the dishes (vegetables)? Some tests have been made by the personnel concerned and the test results are summarized as follows Aspects. When the dish is hot, do not cover the plastic wrap when the dish is hot when covered with plastic wrap, not only can not protect the vitamin C in vegetables, but will increase their losses. Cabbage does not cover the membrane of vitamin C preservation rate of 85%, while the cover of 71%; cauliflower is not covered by 97%, only 58% of the cover film. Other such as vegetables and so on