essential amino acid, or indispensable amino acid, is an amino acid that cannot be synthesized by the organism, and must be supplied in diet.
9 amino acids humans cannot synthesize (F V T W M L I K H):
Animal and plant proteins are made up of about
20 common amino acids.
6 other amino acids - conditionally essential - can be limited under special conditions (R C G Q P Y) : arginine, cysteine, glycine, glutamine, proline, and tyrosine.
Dispensable amino acids can be synthesized in the human body, 5 (A D N E S): alanine, aspartic acid, asparagine, glutamic acid and serine .
Last Updated: 23 October 2016
Isaac Bashevis Singer
What do they know-all these scholars, all these philosophers, all the leaders of the world - about such as you? They have convinced themselves that man, the worst transgressor of all the species, is the crown of creation. All other creatures were created merely to provide him with food, pelts, to be tormented, exterminated.
Nutrient-dense foods are foods that have a
lot of nutrients but relatively few calories.
Nutrient-dense foods and beverages
contain: vitamins, minerals, dietary fiber, and other beneficial substances that may have positive health effects.
They are also naturally lean or
low in saturated fat, and have little or no added saturated fat, sugars, refined starches, and sodium.
Examples of nutrient dense foods are: beans and peas, fresh fruit, unsalted nuts and seeds, vegetables, whole grains - most fruitarian foods are nutrient-dense.