褐かっ変ぺん

noun, noun or participle which takes 'suru'

browning; brown discoloration

Technical term for the process or result of turning brown, used especially in food science, biology, and materials science.

• リンゴの切きり口くちが空くう気きに触ふれて褐かっ変ぺんした。

  The cut surface of the apple turned brown upon exposure to air.

• 食しょく品ひんの褐かっ変ぺんを防ふせぐために、酸さん化か防ぼう止し剤ざいが使つかわれる。

  Antioxidants are used to prevent browning of food.