noun, noun or participle which takes 'suru', intransitive verb
acidification; going sour; becoming acidic
Technical and somewhat formal term for the process of turning acidic, often used in food science, chemistry, or describing spoiled food. Can be used as a noun or intransitive suru-verb.
牛乳が酸敗して、酸っぱい臭いがした。
The milk had gone sour and smelled acidic.
油脂の酸敗
To prevent acidification of oils and fats, it is important to store them in a cool, dark place.