Foods that are rich in nitrogen include meat, fish, potato, milk, eggs, cereals and legumes. Most of the nitrogen in foods are found in proteins as amino acids, although nitrogen can also be present in various forms such as free amino acids, creatine, choline, creatinine, purines, pyrimidines and amino sugars. These trace compounds are called non-protein nitrogen, or NPN.
The nitrogen in meat comprises free amino acids and peptides, while the nitrogen found in fish is in the form of methyl-amino substances. Urea nitrogen makes up half of the nitrogen composition in human milk, and 50 percent of the nitrogen content in the potato is NPN.Learn More
Foods that are good sources of phosphorus are meat, fish, eggs and poultry. Lesser sources of this essential mineral are whole grains, seeds and nuts, which store a type of phosphorus called phytin. Fruits and vegetables are relatively low in phosphorus. The recommended daily allowance of phosphorus for healthy adults is 700 milligrams per day.Full Answer >
Foods that provide vitamin D include cod liver oil, cooked swordfish, cooked sockeye salmon and canned tuna fish. Other sources of vitamin D are egg yolks, beef liver, fortified milk, yogurt and orange juice. Canned sardines, fortified breakfast cereals, mushrooms and Swiss cheese also contain vitamin D.Full Answer >
Foods that begin with the letter E include eggs, eggplant, edamame, eclairs, English muffins and two leafy vegetables called escarole and endive. When including drinks, espresso is also a possibility.Full Answer >
Foods that have vitamin E include sunflower seeds, which have 82 percent of the daily value of vitamin E according to the World's Healthiest Foods. Almonds have 40 percent DV, while spinach has 25 percent DV.Full Answer >