...Even when heated for a long time at normal pressure, it loses two water molecules to form lactide. (±)-Lactic acid (racemic form) is present in rancid foods and plants, but this is due to the action of lactic acid bacteria and is called fermentation lactic acid. The pure product is a colorless, viscous liquid with a melting point of 18°C and a boiling point of 120°C (12mmHg). ... *Some of the terminology that mentions "fermentation lactic acid" is listed below. Source | Heibonsha World Encyclopedia 2nd Edition | Information |
…常圧でも長時間加熱すると水2分子を失ってラクチドを形成する。(±)‐乳酸(ラセミ体)は酸敗した食物や植物中に存在するが,これは乳酸菌の働きによるもので,発酵乳酸fermentation lactic acidと呼ばれる。純品は無色粘稠な液体で,融点18℃,沸点120℃(12mmHg)。… ※「fermentation lactic acid」について言及している用語解説の一部を掲載しています。 出典|株式会社平凡社世界大百科事典 第2版について | 情報 |
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