| SMDA | Safe Medical Devices Act [of 1990]; starch methylenedianiline |
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| soluble starch | A high-molecular-weight, water-soluble dextrin produced by the partial acid hydrolysis of starch; useful in iodimetry, as it gives an easily visible purple-black end point in the presence of free iodine. (05 Mar 2000) |
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| starch | <biochemistry> Storage carbohydrate of plants, consisting of amylose (a linear _(1-4) glucan) and amylopectin (an _(1-4) glucan with _(1-6) branch points). Present as starch grains in plastids, especially in amyloplasts and chloroplasts. (18 Nov 1997) |
| starch-eating | A morbid craving for starch. Synonym: starch-eating. Origin: amylo-+ G. Phago, to eat (05 Mar 2000) |
| starch equivalent | The amount of oxygen consumed in the combustion of a given weight of fat as compared with that consumed in the combustion of an equal weight of starch; the figure is about 2.38, that for starch being taken as 1. (05 Mar 2000) |
| starch gum | <chemistry> A translucent, gummy, amorphous substance, nearly tasteless and odorless, used as a substitute for gum, for sizing, etc, and obtained from starch by the action of heat, acids, or diastase. It is of somewhat variable composition, containing several carbohydrates which change easily to their respective varieties of sugar. It is so named from its rotating the plane of polarization to the right; called also British gum, Alsace gum, gommelin, leiocome, etc. See Achroodextrin, and Erythrodextrin. Origin: Cf. F. Dextrine, G. Dextrin. See Dexter. Source: Websters Dictionary (01 Mar 1998) |
| starch-iodine test | A test for sweating in which iodine in oil is painted on the skin, followed by dusting with a starch powder which turns blue-black in the presence of iodine and moisture. (05 Mar 2000) |
| starch sugar | See: d-glucose. (05 Mar 2000) |
| starch synthase | <enzyme> An enzyme that catalyses the transfer of glucose from adpglucose to glucose-containing polysaccharides in 1,4-alpha-linkages. Chemical name: ADPglucose:1,4-alpha-D-glucan 4-alpha-D-glucosyltransferase Registry number: EC 2.4.1.21 (12 Dec 1998) |
| electrophoresis, starch gel | Electrophoresis in which a starch gel (a mixture of amylose and amylopectin) is used as the diffusion medium. (12 Dec 1998) |
| liver starch | <biochemistry> Branched polymer of D glucose (mostly _(1-4) linked, but some _(1-6) at branch points). Size range very variable, up to 10exp5 glucose units. Major short term storage polymer of animal cells and is particularly abundant in the liver and to a lesser extent in muscle. In the electron microscope glycogen has a characteristic asterisk or star appearance. (18 Nov 1997) |