保鮮(xian)膜在生產(chan)過程中普(pu)遍添(tian)加了(le)塑化劑,保鮮(xian)膜對人體健康的影響(xiang)也受到了(le)人們的關注。
市場(chang)上的保鮮膜(mo)(mo)大體分為(wei)兩類,一(yi)類是普通保鮮膜(mo)(mo),適(shi)用(yong)(yong)于冰箱(xiang)保鮮;一(yi)類是微波爐保鮮膜(mo)(mo),既可用(yong)(yong)于冰箱(xiang)保鮮,也可用(yong)(yong)于微波爐。后一(yi)種保鮮膜(mo)(mo)在耐熱、無(wu)毒性(xing)等方面遠遠優于普通保鮮膜(mo)(mo)。因此,消(xiao)費(fei)者在使用(yong)(yong)選擇上要(yao)特(te)別注意,分項(xiang)使用(yong)(yong)。
購買(mai)保(bao)(bao)(bao)(bao)鮮(xian)(xian)膜(mo)時,首先建議購買(mai)聚(ju)乙烯(xi)(xi)(PE)材(cai)質(zhi)制成的(de)(de)(de)(de)自(zi)粘(zhan)保(bao)(bao)(bao)(bao)鮮(xian)(xian)膜(mo),尤(you)其是在(zai)為(wei)肉食、水果等進行保(bao)(bao)(bao)(bao)鮮(xian)(xian)時,因(yin)為(wei)從安(an)全性上來講,PE材(cai)質(zhi)的(de)(de)(de)(de)保(bao)(bao)(bao)(bao)鮮(xian)(xian)膜(mo)是最安(an)全的(de)(de)(de)(de)。如果希望保(bao)(bao)(bao)(bao)鮮(xian)(xian)期較長,建議選擇聚(ju)偏(pian)二氯(lv)乙烯(xi)(xi)(PVDC),因(yin)為(wei)這種材(cai)質(zhi)的(de)(de)(de)(de)保(bao)(bao)(bao)(bao)鮮(xian)(xian)膜(mo)保(bao)(bao)(bao)(bao)濕性能(neng)比較好,在(zai)三種材(cai)質(zhi)的(de)(de)(de)(de)保(bao)(bao)(bao)(bao)鮮(xian)(xian)膜(mo)中保(bao)(bao)(bao)(bao)鮮(xian)(xian)期最長。聚(ju)氯(lv)乙烯(xi)(xi)(PVC)材(cai)質(zhi)的(de)(de)(de)(de)保(bao)(bao)(bao)(bao)鮮(xian)(xian)膜(mo)由于透明度好、粘(zhan)度好、彈性好,價格較為(wei)便宜,所以(yi)也成為(wei)很多人的(de)(de)(de)(de)選擇,但一(yi)定要注意(yi)不能(neng)用來做油脂(zhi)食品的(de)(de)(de)(de)保(bao)(bao)(bao)(bao)鮮(xian)(xian)