provitamins

См. также в других словарях:

• provitamins — n. substance which the body transforms into a vitamin (Biochemistry) …   English contemporary dictionary

• Vitamin A — Systematic (IUPAC) name (2E,4E,6E,8E) 3,7 Dimethyl …   Wikipedia

• Retinol — Chembox new ImageFile = Retinol structure.svg ImageSize = 350px IUPACName =(2E,4E,6E,8E) 3,7 dimethyl 9 (2,6,6 trimethylcyclohex 1 enyl)nona 2,4,6,8 tetraen 1 ol OtherNames = Section1 = Chembox Identifiers CASNo = 11103 57 4 PubChem = 1071 SMILES …   Wikipedia

• Provitamin — A provitamin is a substance that can be converted into a vitamin by animal tissues.Similar to a prodrug that is metabolized into a drug.List of provitaminsee also* Prodrug …   Wikipedia

• Vegetable — For other uses, see Vegetable (disambiguation). Farmers market showing vegetable …   Wikipedia

• Health freedom movement — The term health freedom movement is used to describe the loose coalition of consumers, activists, alternative medicine practitioners and producers of products around the world who are pushing for unhindered freedom of choice in healthcare. The… …   Wikipedia

• vitamin — vitaminic, adj. /vuy teuh min/; Brit. also /vit euh min/, n. any of a group of organic substances essential in small quantities to normal metabolism, found in minute amounts in natural foodstuffs or sometimes produced synthetically: deficiencies… …   Universalium

• ergosterol — The most important of the provitamins D2; ultraviolet irradiation converts e. to lumisterol, tachysterol, and ergocalciferol; main sterol in yeast, ergot, and molds. SYN: ergosterin. * * * er·gos·ter·ol (.)ər gäs tə .rȯl, .rōl …   Medical dictionary

• ionone — One of two cyclic terpene ketones with an odor of violets or cedar wood, the α and β varieties of which differ in the location of the double bond in the ring : provitamins A and vitamin A have i. configuration in the ring portion; α carotene… …   Medical dictionary

• Rachitis — englische Krankheit * * * Ra|chi|tis 〈[ xi: ] f.; ; unz.〉 durch Störung des Kalk u. Phosphorstoffwechsels charakterisierte Erkrankung, die auf Vitamin D Mangel beruht u. zur Erweichung der Knochen führt; oV Rhachitis [zu grch. rhachis „Rücken,… …   Universal-Lexikon

• Chemienobelpreis 1927: Heinrich Otto Wieland —   Der deutsche Wissenschaftler erhielt den Nobelpreis für »seine Forschungen zur Strukturermittlung der Gallensäuren und verwandter Substanzen«.    Biografie   Heinrich Otto Wieland, * Pforzheim 4. 6. 1877, ✝ München 5. 8. 1957; 1917 Ruf zum… …   Universal-Lexikon