保鮮膜(mo)(mo)在生產過程中(zhong)普遍添加了塑化劑,保鮮膜(mo)(mo)對人(ren)體健康的(de)影響也(ye)受到(dao)了人(ren)們的(de)關注。
市場上的保鮮(xian)膜(mo)大體分為(wei)兩類(lei),一類(lei)是(shi)(shi)普通保鮮(xian)膜(mo),適用(yong)(yong)于冰箱保鮮(xian);一類(lei)是(shi)(shi)微(wei)波爐保鮮(xian)膜(mo),既可用(yong)(yong)于冰箱保鮮(xian),也可用(yong)(yong)于微(wei)波爐。后一種保鮮(xian)膜(mo)在(zai)耐熱(re)、無毒性等方面遠(yuan)遠(yuan)優于普通保鮮(xian)膜(mo)。因此,消(xiao)費者(zhe)在(zai)使用(yong)(yong)選擇(ze)上要(yao)特(te)別(bie)注意,分項使用(yong)(yong)。
購(gou)買保(bao)(bao)(bao)鮮(xian)(xian)(xian)膜(mo)時,首先建(jian)議購(gou)買聚乙(yi)烯(PE)材(cai)質(zhi)制(zhi)成(cheng)的(de)自粘保(bao)(bao)(bao)鮮(xian)(xian)(xian)膜(mo),尤其是在(zai)為肉食、水果(guo)(guo)等進行保(bao)(bao)(bao)鮮(xian)(xian)(xian)時,因(yin)為從安全性上(shang)來(lai)講(jiang),PE材(cai)質(zhi)的(de)保(bao)(bao)(bao)鮮(xian)(xian)(xian)膜(mo)是最(zui)安全的(de)。如(ru)果(guo)(guo)希望(wang)保(bao)(bao)(bao)鮮(xian)(xian)(xian)期較長,建(jian)議選擇聚偏二(er)氯乙(yi)烯(PVDC),因(yin)為這種材(cai)質(zhi)的(de)保(bao)(bao)(bao)鮮(xian)(xian)(xian)膜(mo)保(bao)(bao)(bao)濕性能比較好,在(zai)三種材(cai)質(zhi)的(de)保(bao)(bao)(bao)鮮(xian)(xian)(xian)膜(mo)中保(bao)(bao)(bao)鮮(xian)(xian)(xian)期最(zui)長。聚氯乙(yi)烯(PVC)材(cai)質(zhi)的(de)保(bao)(bao)(bao)鮮(xian)(xian)(xian)膜(mo)由于透(tou)明度好、粘度好、彈性好,價格(ge)較為便宜,所(suo)以也(ye)成(cheng)為很多人的(de)選擇,但(dan)一(yi)定要注(zhu)意不能用來(lai)做(zuo)油脂食品的(de)保(bao)(bao)(bao)鮮(xian)(xian)(xian)