Maca (scientific name:. Lepidium meyenii Walp), (Spanish: Maca). Is a cruciferous plant native of the Andes in South America. Leaves oval shape of small round radish roots, edible, is a pure natural food, rich in nutrients, the "South American ginseng" reputation. Maca hypocotyls was possible under the golden or yellow, red, purple, blue, black or green. Yellow root of the most common shapes, and tastes the best. Maca is rich in high unit nutrients, nourishing the physical human body function. Maca origin of high-altitude mountains, suitable for the growth in the high-altitude, low-latitude, high diurnal temperature, slightly acidic sandy loam, sunny land; distributed in the Andes of South America, cultivated in Peru and Central and southern China's Yunnan and Xinjiang and other regions, there is a large area of ??land suitable species. Italian scientists Dini A nutrition in 1994 for the first time systematically obtained Maca root in the chemical composition of dry ingredients: protein content of more than 10% (protein content Lake Junin Maca varieties more than 14%), 59% carbohydrate compound; 8.5% of fiber, contains a wealth of zinc, calcium, iron, titanium, rubidium, potassium, sodium, copper, manganese, magnesium, strontium, phosphorus, iodine and other minerals, and vitamins C, B1, B2, B6 , A, E, B12, B5, but not high in fat, mostly unsaturated fatty acids, linoleic and linolenic acid content of more than 53% natural active ingredients include alkaloids, glucosinolates and their decomposition products isothiocyanate cyanate benzyl esters, sterols, polyphenols and so on. In 1999, US scientists discovered Maca plant contains two new active ingredients, Maca amide (macamides) and Maca dilute (macaenes), and to determine the balance of these two substances on the human body have a significant role in hormone secretion, so Maca is also known as the natural hormone engines. Maca products in targeted research, and also found several special Maca alkaloids, with further research, Maca in there will be more new active substances have been isolated and identified. [8] After eating Maca sun tanning can eat, but also can be made into a salad, cooked food is better, long before Columbus reached America, Peruvian national treasure vegetables already attracted people of all ages, it can provide a lot of heat, tasted Maca people say that eating it is rewarding, it was very comfortable, and its sweet taste. Maca root of fresh meat or other vegetables can be eaten fried together, it can be dried after eating cooked with water or milk, the local indigenous people often put fresh root with honey and fruit juice as a beverage drink. Maca is rich in high unit nutrients, nourishing the physical human body function, people have eaten energetic, exuberant spirit will not feel tired.