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Selenium in biology. Selenocysteine is the main organic molecule involving selenium in humans. Selenium is an essential micronutrient for animals, though it is toxic in large doses. In plants, it sometimes occurs in toxic amounts as forage, e.g. locoweed. Selenium is a component of the amino acids selenocysteine and selenomethionine.
In the context of nutrition, a mineral is a chemical element. Some "minerals" are essential for life, but most are not. [ 1][ 2][ 3] Minerals are one of the four groups of essential nutrients; the others are vitamins, essential fatty acids, and essential amino acids. [ 4] The five major minerals in the human body are calcium, phosphorus ...
Micronutrient. Micronutrients are essential dietary elements required by organisms in varying quantities to regulate physiological functions of cells and organs. [ 1][ 2] Micronutrients support the health of organisms throughout life. [ 3][ 4][ 5] In varying amounts supplied through the diet, micronutrients include such compounds as vitamins ...
Choline. Vitamin A (e.g. retinol (see also - provitamin A carotenoids)) Vitamin C (Ascorbic acid) Vitamin D. Ergocalciferol. Cholecalciferol. Vitamin E ( tocopherols and tocotrienols) Vitamin K. Vitamin K 1 (phylloquinone)
Snails are a good source of selenium. Of the recommended daily requirement of selenium, the snail provides up to 50% (in women) and 30% (in men). [21] Snail flesh is a good supply of essential amino acids such as lysine, methionine, and cysteine, which are difficult to get in other sources of protein, according to Adeyeye et al. (2020).
Nutrient. A nutrient is a substance used by an organism to survive, grow and reproduce. The requirement for dietary nutrient intake applies to animals, plants, fungi and protists. Nutrients can be incorporated into cells for metabolic purposes or excreted by cells to create non-cellular structures such as hair, scales, feathers, or exoskeletons.
The tables below include tabular lists for selected basic foods, compiled from United States Dept. of Agriculture ( USDA) sources. Included for each food is its weight in grams, its calories, and (also in grams,) the amount of protein, carbohydrates, dietary fiber, fat, and saturated fat. [ 1] As foods vary by brands and stores, the figures ...
At least 15 grams is a good goal. These 10 high-protein lunchtime foods can get you there. 1. Chicken Breast. A 3-ounce serving of grilled chicken breast provides an impressive 26 grams of protein ...