# 人工合成檸檬酸的原料,是來自於一種名為黑麴菌(Aspergillus niger)的黴菌產生的。黑麴菌原本是一種無用的東西,且只帶給人類生活麻煩,像是造成浴室裡的黑色污漬。然而在食品工業的實驗室裡搖身一變,不僅為食品業帶來檸檬酸,還順便為建材業生產石膏。——《把化學吃下肚》
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