Health Benefits Of Spearmint: Facts And Information. Spearmint is pleasantly aromatic herb packed with numerous health benefiting vitamins, antioxidants and phyto-nutrients.
The leaves and herb parts contain essential oil, menthol. Unlike in peppermint, spearmint leaves composes only small amounts of menthol, 0.5% compared to the 40% in peppermint. Less menthol content would make this herb least pungent and subtly fragrant herb in the mint family.
The herb has low calories (about 43 calories per 100 g) and contains zero cholesterol.
The chief essential oil in spearmint is menthol. Other important chemical components of spearmint are a-pinene, ß-pinene, carvone, cineole, linalool, limonene, myrcene and caryophyllene. These compounds in mint help relieve fatigue and stress.
The herb parts are also very good in minerals like potassium, calcium, manganese, iron (148% of RDA), and magnesium. Iron is required for enzymes in cellular metabolism and synthesis of hemoglobin. Potassium is an important component of cell and body fluids that helps control heart rate and blood pressure. Manganese is used by the body as a co-factor for the antioxidant enzyme superoxide dismutase.
Further, the herb is also rich in many antioxidant vitamins, including vitamin A (provides 4054 IU or 135% of RDA), beta-carotene, vitamin C, folates (26% of RDA), vitamin B-6 (pyridoxine), riboflavin and thiamin.