雙酚A是一種(zhong)普遍應用在塑(su)料食品(pin)包裝(zhuang)設計(ji)(ji)中(zhong)(zhong)(zhong)的(de)(de)化學物質，塑(su)料食品(pin)包裝(zhuang)設計(ji)(ji)中(zhong)(zhong)(zhong)的(de)(de)雙酚A在加熱后可融入(ru)食品(pin)中(zhong)(zhong)(zhong)。酚醛(quan)(quan)(quan)樹(shu)脂和脲醛(quan)(quan)(quan)中(zhong)(zhong)(zhong)甲(jia)醛(quan)(quan)(quan)含(han)量(liang)較高(gao)，塑(su)料食品(pin)包裝(zhuang)設計(ji)(ji)中(zhong)(zhong)(zhong)的(de)(de)游離甲(jia)醛(quan)(quan)(quan)可融入(ru)食品(pin)中(zhong)(zhong)(zhong)。