| salicyl | <chemistry> The hypothetical radical of salicylic acid and of certain related compounds. Origin: Salicin + -yl. Source: Websters Dictionary (01 Mar 1998) |
|---|---|
| acetic aldehyde | <chemical> A colourless, flammable liquid used in the manufacture of acetic acid, perfumes, and flavors. It is also an intermediate in the metabolism of alcohol. It has a general narcotic action and also causes irritation of mucous membranes. Large doses may cause death from respiratory paralysis. Chemical name: Acetaldehyde (12 Dec 1998) |
| active aldehyde | Any aldehyde derivative of thiamin pyrophosphate. (05 Mar 2000) |
| aflatoxin B1 aldehyde reductase | <enzyme> Catalyses the conversion of the dialdehydic form of aflatoxin b1-dihydrodiol to the dialcohol form Registry number: EC 1.1.1.- Synonym: aflatoxin b1-aldehyde reductase, afb1-ar (26 Jun 1999) |
| aldehyde | <chemistry> A carbon atom double-bonded to an oxygen, single-bonded to a hydrogen, and single-bonded to another chemical group (such as methane, benzene, another hydrogen, anything). The carbon oxygen double bond part is known as a carbonyl group (C=O). An example is acetaldehyde, which is a carbonyl group single-bonded to a hydrogen and single-bonded to a methane (a methyl group: CH3). (09 Oct 1997) |
| aldehyde base | An obsolete term for an imide. (05 Mar 2000) |
| aldehyde decarbonylase | <enzyme> Catalyses the decarboxylation of aldehydes to form alkanes and co Registry number: EC 4.1.2.- (26 Jun 1999) |
| aldehyde dehydrogenase | <enzyme> An enzyme that oxidises an aldehyde in the presence of NAD+ and water to an acid and NADH. Before 1978, it was classified as EC 1.1.1.70. Chemical name: Aldehyde:NAD+ oxidoreductase Registry number: EC 1.2.1.3 (12 Dec 1998) |
| aldehyde dehydrogenase (acylating) | An oxidoreductase converting an aldehyde and CoA to acyl-CoA with NAD+ as H acceptor. (05 Mar 2000) |
| aldehyde dehydrogenase (NAD+) | An oxidoreductase reversibly converting aldehydes to acids with NADP+ as H acceptor. (05 Mar 2000) |
| aldehyde dehydrogenase (NAD(P)+) | An oxidoreductase reversibly converting aldehydes to acids with NAD+ or NADP+ as H acceptor. (05 Mar 2000) |
| aldehyde DPN transhydrogenase | aldehyde dehydrogenase (NAD+) |
| aldehyde ferredoxin oxidoreductase | <enzyme> Contains molybdopterin as the organic component of tungsten cofactor Registry number: EC 1.2.7.- (26 Jun 1999) |
| aldehyde fuchsin | A stain developed by Gomori, utilizing basic fuchsin paraldehyde and hydrochloric acid; it produces violet staining of elastic fibres, mast cell granules, gastric chief cells, beta cells of the pancreatic islets, and certain hypophyseal beta granules; other pituitary granules and cells stain in other colours. See: Gomori's aldehyde fuchsin stain. (05 Mar 2000) |
| aldehyde-ketone transferases | <enzyme> Enzymes that catalyze the transfer of aldehyde or ketone residues. Registry number: EC 2.2 (12 Dec 1998) |