Compendium of Materia Medica holds that mint is pungent, cool and non-toxic. Cooking raw food or cooked food for a long time can dispel evil spirits, relieve fatigue, relieve drowsiness and make people smell fragrant and clean.
Pharmacological action Menthol can be used locally to treat headache, neuralgia and itching. When applied to the skin, it felt very cold at first, and then it felt slightly burning. This cold feeling is not caused by the decrease of skin temperature, but stimulates the cold receptors of nerve endings. Menthol and menthone have contractile effect on isolated rabbit intestine, and the latter has stronger effect. It has spasmolytic (anti-acetylcholine) effect on isolated small intestine of mice and peppermint essential oil. However, it has no obvious effect on the propulsion speed of small intestine contents in mice, and even has an inhibitory tendency. It is speculated that its stomach-invigorating effect may be caused by the persistence of smell and taste. The alcohol solution of menthol has antiseptic effect. It has a certain therapeutic effect on respiratory inflammation, which may be due to its promotion of secretion and removal of mucus attached to mucosa. Menthol is more exciting than menthol. The total flavonoids of Mentha haplocalyx has cholagogic effect.
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