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Lactose is a disaccharide found in animal milk. It consists of a molecule of D-galactose and a molecule of D-glucose bonded by beta-1-4 glycosidic linkage.. A carbohydrate (/ ˌ k ɑːr b oʊ ˈ h aɪ d r eɪ t /) is a biomolecule consisting of carbon (C), hydrogen (H) and oxygen (O) atoms, usually with a hydrogen–oxygen atom ratio of 2:1 (as in water) and thus with the empirical formula C m ...
The carbohydrate, protein and lipid content of plants is highly variable. Carbohydrates are mainly in the form of starch, fructose, glucose and other sugars. [36] Most vitamins are found from plant sources, with the exception of vitamin D and vitamin B 12. Minerals can also be plentiful or not.
The tables below include tabular lists for selected basic foods, compiled from United States Dept. of Agriculture 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]
Carbohydrates range from simple monosaccharides (glucose, fructose, galactose) to complex polysaccharides (starch). Fats are triglycerides, made of assorted fatty acid monomers bound to glycerol backbone. Some fatty acids, but not all, are essential in the diet: they cannot be synthesized in the body. Protein molecules contain nitrogen atoms in ...
Pistachios are a great source of plant-based protein because they are one of the few plants that contain all nine essential amino acids in adequate quantities. This means that they are a complete ...
The structure is similar in some respects to the USDA food pyramid, but there are clear distinctions between types of fats, and a more dramatic distinction where carbohydrates are categorized on the basis of free sugars versus sugars in their natural form. Some food substances are singled out due to the impact on the target issues that the ...
A vegan diet falls into the category of a plant-based diet, but it is more restrictive because you do not eat any animal products at all on a vegan diet. That means no eggs, honey, dairy or meat ...
Many plant fibers, for example, are indigestible to many herbivores leaving grazer community food webs more nutrient limited than detrital food webs where bacteria are able to access and release the nutrient and energy stores. [34] [35] "Organisms usually extract energy in the form of carbohydrates, lipids, and proteins. These polymers have a ...