Vitamins found in maca comprise thiamin, riboflavin and ascorbic acid. Carbohydrates, coming from maca's cellulose and lignin, are polyholosides.
Amino acid proteins in maca include aspartic acid, glutamic acid, serine, histidine, glycine, threonine, cystine, alanine, arginine, tyrosine, phenylalanine, valine, methionine, lysine, tryptophan, proline, hoproline, and sarcosine.
Proteins make up 11% of maca root.
Calcium makes up 10% of maca's mineral count.
Magnesium and potassium are present in significant amounts.
Minerals include iron, silica, and traces of iodine, manganese zinc, copper, and sodium.
A hexosane polysaccharide in maca, contains the triple minerals calcium, phosphorus, and iron.
These investigations on the food content of maca were carried out in 1979 at the Institute of Nutrition in Lima.
Maca nutritional profile
Moisture-15.3%
Protein-10.2%
AshB4.8%
Fat-2.2%
Fiber-8.5%
Carbohydrates-59%
Minerals mg/100grams mg mineral/1 gram Maca mg mineral/5.0g(1tsp)
Calcium-220mg 2.2 mg 11 mg
Phosphorus-180mg 1.8 mg 9 mg
Iron-15.5mg .155 mg .775 mg
Manganese-0.8mg .0008 mg .004 mg
Copper-5.9mg .059 mg .295 mg
Zinc-3.8mg .038 mg .19 mg
Soduim-18.7mg .187 mg .935 mg
Potassium-2050mg 20.5 mg 103 g
Vitamins-milligrams%
Thiamine@B1"-0.20
Riboflavin@B2"-0.35
Vitamin C-2.50
Amino Acids- mg/1 gram protein
Aspartime- 91.7
Glutamine- 156.5
Serine- 50.4
Histidine- 21.9
Glycine- 68.3
Threonine- 33.1
Alanine- 63.1
Arginine- 99.4
Tyrosine- 30.6
Phenylalanine- 55.3
Valine- 79.3
Methionine- 28
Isoleucine- 47.4
Leucine- 91
Lysine- 54.5
OH-proline- 26
Proline- 0.5
Sarcosine- 0.7
Vitamins (mg/100g)
Carotene: 0.07
Thiamin(B1): 0.15-1.17
Riboflavin(B2): 0.31-0.76
Ascorbic Acid(C): 0.80-3.52
Niacin: 37.27-43.03 .
Other vitamins: B6,D3,P
Minerals (mg/100g)
Calcium: 150.00-650.00
Phosphorus: 183.00-329.00
Magnesium: 70.00-114.00
Potassium: 1000-2050
Sodium: 18.70-40.00
Minor minerals
Copper: 6-8 ppm and 5.90mg/100g
Zinc: 30-32 ppm and 2.8-6.12mg/100g
Manganese: 20-22 ppm and .8mg/100g
Iron: 62-86 ppm and 9.93-24.37mg/100g
Selenium: 0.27-0.30mg/100g
Boron: 12-26ppm
Also traces of Silicon and Aluminium and a vestige of Bismuth