alkaloidal constituent

См. также в других словарях:

• theobromine — /thee euh broh meen, min/, n. Pharm. a white, crystalline, water insoluble, poisonous powder, C7H8N4O2, an isomer of theophylline and lower homologue of caffeine, occurring in tea and obtained from the cacao bean: used chiefly as a diuretic,… …   Universalium

• cryptopine — cryp·to·pine krip tə .pēn, pən n a colorless crystalline alkaloid C21H23NO5 obtained from opium and plants of the genus Corydalis * * * cryp·to·pine (kripґto pin) [crypto + Gr. opion opium] a minor alkaloidal constituent of opium, of Corydalis… …   Medical dictionary

• tannin — /tan in/, n. 1. Chem. any of a group of astringent vegetable principles or compounds, chiefly complex glucosides of catechol and pyrogallol, as the reddish compound that gives the tanning properties to oak bark or the whitish compound that occurs …   Universalium

• theophylline — /thee euh fil een, in/, n. Pharm. a white, crystalline, poisonous alkaloid, C7H8N4O2, an isomer of theobromine, extracted from tea leaves or produced synthetically: used to relieve bronchial spasms, in the treatment of certain heart conditions,… …   Universalium

• Iodine — An essential element in the diet used by the thyroid gland to make thyroid hormones. The two most important thyroid hormones are thyroxine (T4) and triiodothyronine (T3). Thyroxine (T4) has four iodine molecules attached to its structure, while… …   Medical dictionary