lactin

lactin
lactose lac"tose` (l[a^]k"t[=o]s`), n. 1. (Physiol. Chem.) The main sugar present in milk, called also {sugar of milk} or {milk sugar}. When isolated pure it is obtained crystalline; it is separable from the whey by evaporation and crystallization. It is a disaccharide with the formula {C12H22O11}, being chemically 4-([beta]-D-galactosido)-D-glucose. It has a slightly sweet taste, is dextrorotary, and is much less soluble in water than either cane sugar or glucose. Formerly called {lactin}. When hydrolyzed it yields glucose and galactose. In cells it may be hydrolyzed by the enzyme [beta]-galactosidase. [1913 Webster +PJC]

2. (Chem.) See {Galactose}. [1913 Webster]


The Collaborative International Dictionary of English. 2000.

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Look at other dictionaries:

  • Lactin — Lac tin, n. [L. lac, lactis, milk: cf. F. lactine. Cf. {Galactin}.] (Physiol. Chem.) See {Lactose}. [1913 Webster] …   The Collaborative International Dictionary of English

  • Lactin — Lactin, so v.w. Milchzucker …   Pierer's Universal-Lexikon

  • lactin — …   Useful english dictionary

  • C12H22O11 — lactose lac tose (l[a^]k t[=o]s ), n. 1. (Physiol. Chem.) The main sugar present in milk, called also {sugar of milk} or {milk sugar}. When isolated pure it is obtained crystalline; it is separable from the whey by evaporation and crystallization …   The Collaborative International Dictionary of English

  • Galactin — Ga*lac tin, n. [Gr. ?, ?, milk. Cf. {Lactin}.] (Chem.) (a) An amorphous, gelatinous substance containing nitrogen, found in milk and other animal fluids. It resembles peptone, and is variously regarded as a coagulating or emulsifying agent. (b) A …   The Collaborative International Dictionary of English

  • lactose — lac tose (l[a^]k t[=o]s ), n. 1. (Physiol. Chem.) The main sugar present in milk, called also {sugar of milk} or {milk sugar}. When isolated pure it is obtained crystalline; it is separable from the whey by evaporation and crystallization. It is… …   The Collaborative International Dictionary of English

  • milk sugar — lactose lac tose (l[a^]k t[=o]s ), n. 1. (Physiol. Chem.) The main sugar present in milk, called also {sugar of milk} or {milk sugar}. When isolated pure it is obtained crystalline; it is separable from the whey by evaporation and crystallization …   The Collaborative International Dictionary of English

  • sugar of milk — lactose lac tose (l[a^]k t[=o]s ), n. 1. (Physiol. Chem.) The main sugar present in milk, called also {sugar of milk} or {milk sugar}. When isolated pure it is obtained crystalline; it is separable from the whey by evaporation and crystallization …   The Collaborative International Dictionary of English

  • Super Colossal — Infobox Album | Name = Super Colossal Type = Album Artist = Joe Satriani Released = March 14, 2006 Recorded = 2005 2006 Genre = Instrumental rock Length = 58:50 Label = Epic Producer = Joe Satriani and Mike Fraser Reviews = *Allmusic Rating|3.5|5 …   Wikipedia

  • Milchzucker — (Lactin), C12H12O12, eine Zuckerart, welche bisher nur in der Milch der Säugethiere gefunden worden ist. Er krystallisirt in weißen vierseitigen Säulen, ist ziemlich hart, knirscht zwischen den Zähnen, schmeckt wenig süß u. sandig; löst sich in 6 …   Pierer's Universal-Lexikon

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