L-Menthol is extracted from the leaves and stems of peppermint, white crystals, and is the main component in the essential oils of peppermint and spearmint. L-Menthol has a range of physiological and pharmacological activities, including antibacterial, anti-inflammatory, analgesic, antipyretic, and anthelmintic effects.
Therefore, it is widely used in medicine, food, cosmetics and flavorings.