ketone


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Related to ketone: Ketone bodies, ketosis

ketone

 [ke´tōn]
any compound containing the carbonyl group, C=O, and having hydrocarbon groups attached to the carbonyl carbon, i.e., the carbonyl group is within a chain of carbon atoms.
ketone bodies the substances acetone, acetoacetic acid, and β-hydroxybutyric acid; except for acetone (which may arise spontaneously from acetoacetic acid), they are normal metabolic products of lipid and pyruvate within the liver, and are oxidized by muscles. Excessive production leads to urinary excretion of these bodies, as in diabetes mellitus; see also ketosis. Called also acetone bodies.

ke·tone

(kē'tōn),
Any organic compound in which two carbon atoms are linked by the carbon of a carbonyl group (C-O). The simplest ketone and the most important in medicine is dimethyl ketone (acetone).

ketone

/ke·tone/ (ke´tōn) any of a class of organic compounds containing the carbonyl group, CdbondO, whose carbon atom is joined to two other carbon atoms, i.e., with the carbonyl group occurring within the carbon chain.
Ketone.

ketone

(kē′tōn′)
n.
1. Any of a class of organic compounds, such as acetone, characterized by having a carbonyl group in which the carbon atom is bonded to two other hydrocarbon groups and having the general formula R(CO)R′, where R may be the same as R′.

ke·ton′ic (-tŏn′ĭk) adj.

ketone

[kē′tōn]
Etymology: Fr, acetone
an organic chemical compound characterized by having in its structure a carbonyl, or keto, group, ═CO, attached to two alkyl groups. It is produced by oxidation of secondary alcohols.

ke·tone

(kē'tōn)
A substance with the carbonyl group linking two carbon atoms; the most important in medicine and the simplest in chemistry is dimethyl ketone (acetone).
Ketoneclick for a larger image
Fig. 199 Ketone . The molecular structure of acetone.

ketone

an organic molecule in which a C=O group is contained within the molecule rather than at one end. Ketones are highly varied in structure, ranging from the simple acetone (see Fig. 199) to FRUCTOSE, a KETOSE sugar.

ketone,

n compound that contains a carbonyl group attached to a carbon in a chain. Used as analgesics, antiinflammatories, expectorants, and stimulants.
Enlarge picture
Ketones.

ke·tone

(kē'tōn)
A substance with the carbonyl group linking two carbon atoms; acetone is the most important in medicine and the simplest in chemistry.

ketone

(kē´tōn),
n an organic chemical compound characterized by having in its structure a carbonyl or keto group attached to two alkyl groups. It is produced by oxidation of secondary alcohols.
ketone body,

ketone

any compound containing the carbonyl group, CO, and having hydrocarbon groups attached to the carbonyl carbon, i.e. the carbonyl group is within a chain of carbon atoms.

ketone bodies
the substances acetone, acetoacetic acid and β-hydroxybutyric acid; except for acetone (which may arise spontaneously from acetoacetic acid), they are normal metabolic products usually derived from excess acetyl CoA from fatty acids within the liver, and are oxidized by the extrahepatic tissues; excessive production leads to urinary excretion of these bodies, as in diabetes mellitus. Called also acetone bodies. See also ketosis, acetonemia, pregnancy toxemia.
ketone pulegone
References in periodicals archive ?
Novel copolymers of the polyfether ketone diphenyl ketone ether ketone ketone) (PEKDKEKK) and the poly (ether amide ether amide ether ketone ketone) (PEAEAEKK) were synthesized by electrophilic Friedel-Crafts solution copolycondensation of isophthaloyl chloride (IPC) with a mixture of BPOBDP and BPBDAE, over a wide range of BPOBDP/BPBDAE molar ratios, under very mild conditions.
As an added bonus, the Ketone is the element responsible for the aroma and sweet smell of the Red Raspberry and it's believed that this characteristic also gives the Ketones the propensity to suppress appetite.
Comprehensive data showing methyl ethyl ketone capacities, production, consumption, trade statistics, and prices in the recent years are provided (globally, regionally and by country)
Similarly, 2 of 8 responding laboratories were still using Acetest to confirm urine ketones.
Oz Show," Lynn explained that even though raspberry ketone will help the body lose weight, one must continue to use the extract for the weight to stay off.
Ketone levels in a child's urine must be examined often, and food proportions must be precisely measured.
The analysis of acetone, a ketone formed in the body by the decarboxylation of acetoacetate, could be a solution to the stringent requirements of clinical practice.
Conversions over 50% without considerable loss in stereoselectivity hint to the possible formation of an achiral intermediate from the racemic starting ketone and that enantioselection rather than kinetic resolution takes place.
China's demand for methyl isobutyl ketone (MIBK) has grown at a fast pace in the past decade.
com adds new methyl ethyl ketone (Butanone / MEK) market research reports titled "Global Methyl Ethyl Ketone (MEK) Market 2015-2019", "Methyl Ethyl Ketone Markets in China" and "Market Research Report on Global and Chinese butanone (CAS 78-93-3) Industry, 2009-2019" to the chemicals section of its research library.
A Facebook page showed before and after pictures of Lorraine, stating she used raspberry ketone tablets to shed pounds.
Through trial and error, she developed a treatment regimen that would keep his ketone levels high for most of the day.