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Ketogenesis is the biochemical process through which organisms produce ketone bodies by breaking down fatty acids and ketogenic amino acids. [ 1 ] [ 2 ] The process supplies energy to certain organs, particularly the brain , heart and skeletal muscle , under specific scenarios including fasting , caloric restriction , sleep, [ 3 ] or others.
In organic chemistry, a ketone / ˈ k iː t oʊ n / is an organic compound with the structure R−C(=O)−R', where R and R' can be a variety of carbon-containing substituents. Ketones contain a carbonyl group −C(=O)− (a carbon-oxygen double bond C=O). The simplest ketone is acetone (where R and R' are methyl), with the formula (CH 3) 2 CO ...
The ketone group is the double-bonded oxygen. In organic chemistry, a ketose is a monosaccharide containing one ketone (>C=O) group per molecule. [1] [2] The simplest ketose is dihydroxyacetone ((CH 2 OH) 2 C=O), which has only three carbon atoms. It is the only ketose with no optical activity.
Ketone bodies are transported from the liver to other tissues, where acetoacetate and β-hydroxybutyrate can be reconverted to acetyl-CoA to produce reducing equivalents (NADH and FADH 2), via the citric acid cycle. Though it is the source of ketone bodies, the liver cannot use them for energy because it lacks the enzyme thiophorase (β ...
C 6 H 12 O 6 (from cellulose) + 6 H 2 (from lignin) → 3 CH 3 CH 2 OH + 3 H 2 O (Overall reaction) A more comprehensive description of the economics of each of the fuels is given on the pages alcohol fuel and ethanol fuel , more information about the economics of various systems can be found on the central page biofuel .
In organic chemistry, carbonyl reduction is the conversion of any carbonyl group, usually to an alcohol. It is a common transformation that is practiced in many ways. [1] Ketones, aldehydes, carboxylic acids, esters, amides, and acid halides - some of the most pervasive functional groups, -comprise carbonyl compounds.
Physiological ketosis is the non-pathological (normal functioning) elevation of ketone bodies that can result from any state of increased fatty acid oxidation including fasting, prolonged exercise, or very low-carbohydrate diets such as the ketogenic diet. [5] In physiological ketosis, serum ketone levels generally remain below 3 mM. [1]
There are three main kinds of food with this name: foods based on curdled milk products like yogurt or cheese are within the realm of dairy products. Kaymak: Turkey: A creamy dairy product, similar to clotted cream. It is made from the milk of water buffalos or of cows. Kefir: Caucasus