The following study is for living knowledge about the chemical and nutritional content of maca and cañihua coming of the principal areas of production in our country, and for diffuseness of its nutritional value inside the population contributing to improve the level and quality of life of Peruvians.For this we took 25 samples of maca from the soils of Junín, Puno, Ancash y Cerro de Paseo. They were obtained at random from the cultivated fields. The circunstances of this work was when the crop of this species was carried out and taken to the regional markets.We proceed to the determination of the protein content by the method of Microkjeldhal, aminoacids content by liquid chromatography of high performance, fat, carbohydrates, ash, fiber, humidity determination according to Peruvian Thecnical norms and determination of mineral by spectrophotometric in atomic absortion.We obtained as co...