pectin


pectin
Class of plant cell wall polysaccharide, soluble in hot aqueous solutions of chelating agents or in hot dilute acid. Includes polysaccharides rich in galacturonic acid, rhamnose, arabinose and galactose, eg. the polygalacturonans, rhamnogalacturonans, and some arabinans, galactans and arabinogalactans. Prominent in the middle-lamella and primary cell wall.

Dictionary of molecular biology. 2004.

Look at other dictionaries:

  • Pectin — (from Greek πηκτικός pektikos , congealed, curdled [ [http://www.perseus.tufts.edu/cgi bin/ptext?doc=Perseus%3Atext%3A1999.04.0057%3Aentry%3D%2382916 Pektikos, Henry George Liddell, Robert Scott, A Greek English Lexicon , at Perseus] ] ), a white …   Wikipedia

  • Pectin — (Pflanzengallerte), C64H40O56 + 8HO, eine dem Pflanzenreich eigenthümliche, im Safte vieler Früchte u. Wurzeln sich findende Substanz (s. Pectinkörper). Nach Frémy enthalten nur reisende u. reife Früchte P.; dasselbe bildet sich aber, wenn… …   Pierer's Universal-Lexikon

  • Pectin — Pec tin, n. [Gr. ? curdled, congealed, from ? to make fast or stiff: cf. F. pectine.] (Chem.) One of a series of carbohydrates, commonly called {vegetable jelly}, found very widely distributed in the vegetable kingdom, especially in ripe fleshy… …   The Collaborative International Dictionary of English

  • pectin — pectin. См. пектин. (Источник: «Англо русский толковый словарь генетических терминов». Арефьев В.А., Лисовенко Л.А., Москва: Изд во ВНИРО, 1995 г.) …   Молекулярная биология и генетика. Толковый словарь.

  • Pectin — Pectin, von Brakanot als derjenige Stoff erkannt, welcher das Gelatiniren der mit Zucker aufgekochten Säfte von Aepfeln, Johannisbeeren, Kirschen etc. bedingt u. wird dargestellt, indem man den Saft fleischiger Früchte bis zum Sieden erhitzt,… …   Herders Conversations-Lexikon

  • pectin- — (var. «pectini ») Elemento prefijo del lat. «pecten, ínis», peine: ‘Pectiniforme’. * * * altpectin , pectini /alt ► Prefijos procedentes del l. pecten, peine …   Enciclopedia Universal

  • pectin — polysaccharide found in fruit and vegetables, crucial in forming jellies and jams, 1838, from Fr. pectine, coined early 1830s by French chemist Henri Braconnot (1781 1855) from acide pectique pectic acid, a constituent of fruit jellies, from Gk.… …   Etymology dictionary

  • pectin — ► NOUN ▪ a soluble jelly like substance present in ripe fruits, used as a setting agent in jams and jellies. ORIGIN from Greek pektos congealed …   English terms dictionary

  • pectin — [pek′tin] n. [< Gr pēktos (see PECTIC) + IN1] a water soluble carbohydrate, obtained from certain ripe fruits, which yields a gel that is the basis of jellies and jams pectinous adj …   English World dictionary

  • pectin — pectinaceous /pek teuh nay sheuhs/, pectinous, adj. /pek tin/, n. Biochem. a white, amorphous, colloidal carbohydrate of high molecular weight occurring in ripe fruits, esp. in apples, currants, etc., and used in fruit jellies, pharmaceuticals,… …   Universalium

  • Pectin — Pektine (v. griech.: πηκτός pektós = fest, geronnen) sind pflanzliche Polysaccharide, genauer Polyuronide, die im Wesentlichen aus α 1,4 glycosidisch verknüpften D Galacturonsäure Einheiten bestehen. Ernährungsphysiologisch betrachtet sind… …   Deutsch Wikipedia


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