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二氧化硫及亞硫酸鹽之毒性並不高,在一般食用狀況下,不會超過每人每日的耐受量(0.7毫克;以60公斤成人為例,每日可耐受的量為42毫克),而對健康造成不良影響。但食入過量的亞硫酸鹽可能會造成呼吸困難、腹瀉、嘔吐等症狀。食藥署為避免有不肖業者使用過氧化氫來達到防腐、殺菌、漂白效果,因此規定不得檢出含有過氧化氫及聯苯等成分,而二氧化硫殘留量應為500 ppm以下。

References

https://www.nownews.com/news/20170106/2364170
免洗筷致癌好恐怖?

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