| caffearine | N-methylnicotinic acid;the methyl betaine of nicotinic acid; a product of the metabolism of nicotinic acid; excreted in the urine. Synonym: caffearine, trigenolline. (05 Mar 2000) |
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| caffeate O-methyltransferase | <enzyme> Caffeic acid methylated to ferulic acid; a separate enzyme (EC 2.1.1.104) acts on caffeoyl-CoA; jrg5 isolated from barley Registry number: EC 2.1.1.68 Synonym: sam-ca-methyltransferase, s-adenosylmethionine caffeic acid o-methyltransferase, caffeic acid o-methyltransferase, 5-hydroxyferulic acid o-methyltransferase, bispecific o-methyltransferase, lignin o-methyltransferase, caffeic acid 3-o-methyltransferase, caomt protein, jrg5 gene product, omt1 protein (26 Jun 1999) |
| caffeate peroxidase | <enzyme> Catalyses dimerization of ferulic acid or caffeic acid via oxidative coupling and formation of beta,beta-linkage to lignan-type cpds 8,8'-bis(caffeic acid) or 8,8'-bis(ferulic acid) Registry number: EC 1.11.1.- (26 Jun 1999) |
| caffeic acids | 3,4-dihydroxycinnamic acids. A class of phenolic acids related to chlorogenic acid,p-coumaric acid, vanillic acid, etc., which are found in plant tissues. It is involved in plant growth regulation. (12 Dec 1998) |
| caffeine | <chemical> A xanthine derivative that elevates cAMP levels in cells by inhibiting phosphodiesterases. (18 Nov 1997) |
| caffeine and sodium benzoate | A mixture of equal parts of sodium benzoate and caffeine, used to meet the indication of caffeine. (05 Mar 2000) |
| caffeine and sodium salicylate | A mixture of sodium salicylate and caffeine used for the relief of headache and neuralgia. (05 Mar 2000) |
| caffeine citrate | Citrated caffeine, a mixture of equal parts of caffeine and citric acid. (05 Mar 2000) |
| caffeine hydrate | Monohydrate of caffeine, a central nervous system stimulant. (05 Mar 2000) |
| caffeinism | Caffeine intoxication characterised by restlessness, tremulousness, nervousness, excitement, insomnia, flushed face, diuresis, and gastrointestinal complaints, brought on by the ingestion of substances containing caffeine. (05 Mar 2000) |
| caffeoyl-CoA O-methyltransferase | <enzyme> Catalyses the methylation of caffeoyl-CoA to form trans-feruloyl-CoA; also accepts with low affinity various other caffeic esters as substrates; do not confuse with EC 2.1.1.68 which acts on caffeic acid; has been sequenced; genbank l22203 (stellaria longipes) Registry number: EC 2.1.1.104 Synonym: sam-c-CoA 3-o-methyltransferase, s-adenosylmethionin-trans-caffeoyl-coenzyme a 3-o-methyltransferase, sam-cca-methyltransferase, caffeoyl-CoA-3-o-methyltransferase, s-adenosyl-l-methionine-trans-caffeoyl-coenzyme a 3-o-methyltransferase, ccoaomt, s-adenosylmethionine-trans-caffeoyl-CoA 3-o-methyltransferase, ccoamt (26 Jun 1999) |
| caffey disease | <radiology> Infantile cortical hyperostosis, aetiology unknown, onset before 5 months of age, hyperostosis and periosteal reaction, mandible (80-95%), clavicles, ribs, long bones (DIAPHYSES often asymmetric) Differential diagnosis: if metaphyses involved, consider battery (child abuse) (12 Dec 1998) |
| Caffey's disease | Neonatal subperiosteal bone formation over many bones, especially the mandible and clavicles and the shafts of long bones; it follows fever, usually appearing before 6 months of age and disappearing during childhood. Synonym: Caffey's disease, Caffey's syndrome, Caffey-Silverman syndrome. (05 Mar 2000) |
| Caffey's syndrome | Neonatal subperiosteal bone formation over many bones, especially the mandible and clavicles and the shafts of long bones; it follows fever, usually appearing before 6 months of age and disappearing during childhood. Synonym: Caffey's disease, Caffey's syndrome, Caffey-Silverman syndrome. (05 Mar 2000) |
| Caffey, John Patrick | <person> U.S. Physician, radiologist, and peditrician, the "the father of paediatric radiology", 1895-1978. See: Caffey's disease, Caffey's syndrome, Caffey-Kempe syndrome, Caffey-Silverman syndrome. (05 Mar 2000) |