Japanese Medicinal Plant Oil, colloquially referred to as Minzöl, Japanese Mint Oil or Japanese Peppermint Oil, is derived from the herbaceous plant known as Ackerminze. This essential oil is rich in aromatic compounds and boasts a wide range of applications. Composition and Extraction The primary source of Japanese Medicinal Plant Oil is the cultivated forms of Ackerminze (Mentha arvensis L. var. piperascens Malinv. ex Holmes and Mentha canadensis L.). Through steam distillation, the oil is extracted from the mint-rich .