Disclosed are a composition including (6S)-5-methyl tetrahydrofolic acid or a salt thereof, and preparation and use thereof. In the composition, the content of (6S)-5-methyl tetrahydrofolic acid or the salt thereof is not less than 98.0%, the content of a related impurity JK12A is not greater than 0.1%, and 5-methyl tetrahydropterioic acid is not detectable.
本发明公开了一种包括(6S)-
5-甲基四氢叶酸或其盐的组合物及其制备和使用方法。在该组合物中,(6S)-
5-甲基四氢叶酸或其盐的含量不低于 98.0%,相关杂质 JK12A 的含量不高于 0.1%,且检测不到 5-甲基四氢
蝶酸。