Ethnomedicinal, phytochemical and pharmacological updates on Peppermint (Mentha x piperitaL.)-A review

Peppermint (MenthaxpiperitaL) is a perennial, glabrous and strongly scented herb belongs to the family Lamiaceae. It is cultivated in a temperate region of Europe, Asia, United States, India and Mediterranean countries due to their commercial value and distinct aroma. In addition to traditional food flavouring uses,M.xpiperitais well recognized for their traditional use to treat fever, cold, digestive, anti-viral, anti-fungal and oral mucosa and throat inflammation. The scientific studies provide awareness on the use ofM.xpiperitafor biological effects such as anti-oxidant, anti-microbial, anti-viral, anti-inflammatory, biopesticidal, larvicidal, anticancer, radioprotective effect, genotoxicity and anti-diabetic activity have been ascribed. A wide spectrum of bioactive phytochemicals such as flavonoids, phenolics lignans and stilbenes and essential oils are expected to be responsible for the aroma effects. In this sense, this present review provides an extensive overview of the traditional medicinal, phytochemical and multiple biological activities of this Peppermint.