galactose


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Related to galactose: saccharose

galactose

 [gah-lak´tōs]
a monosaccharide sugar of the aldose group, derived from lactose. d-galactose is found in lactose, in cerebrosides of the brain, in the sugar beet, and in many gums and seaweeds; l-galactose is found in flaxseed mucilage.
galactose tolerance test a laboratory test done to determine the liver's ability to convert the sugar galactose into glycogen. Two methods may be used. The oral method requires about 5 hours to complete, and the intravenous method, which is more accurate, requires about 2 hours. With the oral method, elimination of more than 3 g of galactose in the urine during a 5-hour period indicates liver damage. With the intravenous method, all galactose should have been eliminated from the blood 45 minutes after its injection.

ga·lac·tose (Gal),

(gă-lak'tōs),
An aldohexose found (in d form) as a constituent of compounds such as lactose, cerebrosides, gangliosides, and mucoproteins, in galactoside or galactosyl combination; an epimer of d-glucose.

galactose

/ga·lac·tose/ (gah-lak´tōs) a six-carbon aldose epimeric with glucose but less sweet, occurring naturally in both d- and l- forms (the latter in plants). It is a component of lactose and other oligosaccharides, cerebrosides and gangliosides, and glycolipids and glycoproteins.

galactose

(gə-lăk′tōs′)
n.
A monosaccharide, C6H12O6, commonly occurring in lactose and in certain pectins, gums, and mucilages.

galactose

[gəlak′tōs]
Etymology: Gk, gala + glykys, sweet
a simple sugar found in the dextrorotatory form in lactose (milk sugar), nerve cell membranes, sugar beets, gums, and seaweed and in the levorotatory form in flaxseed mucilage. Prepared galactose, a white crystalline substance, is less sweet and less soluble in water than glucose but is similar in other properties.

ga·lac·tose

(Gal) (gă-lak'tōs)
An aldohexose found (in d form) as a constituent of lactose, cerebrosides, gangliosides, mucoproteins, in galactoside or galactosyl combination; an epimer of d-glucose.

galactose

A monosaccharide sugar that is a constituent of LACTOSE, the main sugar of milk. Also known as cerebrose.

galactose

a monosaccharide CARBOHYDRATE that does not occur freely in nature, but is combined with GLUCOSE to form LACTOSE, a disaccharide sugar found in milk.

Galactose

One of the two simple sugars, together with glucose, that makes up the protein, lactose, found in milk. Galactose can be toxic in high levels.

ga·lac·tose

(Gal) (gă-lak'tōs)
An aldohexose constituent of lactose, cerebrosides, gangliosides, and mucoproteins.

galactose (gəlak´tōs),

n a simple sugar found in the dextrorotatory form in lactose (milk sugar), nerve cell membranes, sugar beets, gums, seaweed, and, in the levorotatory form, in flaxseed mucilage. Galactose, a white crystalline substance, is less sweet and less soluble in water than glucose but is similar in other properties.

galactose

a monosaccharide derived from lactose. d-galactose is found in lactose, cerebrosides of the brain, raffinose of the sugar beet, and in many gums and seaweeds; l-galactose is found in flaxseed mucilage.

galactose 1-phosphate uridylyl transferase
involved in the metabolism of galactose to glycogen. Congenital galactosemia of humans and macropods is associated with a deficiency of this enzyme.
galactose tolerance test
a laboratory test done to determine the liver's ability to convert the sugar galactose into glycogen. Not much used in animals.
References in periodicals archive ?
Monitoring of biochemical status in children with Duarte galactosemia: utility of galactose, galactitol, galactonate, and galactose 1-phosphate.
The amounts of arabinose and galactose in a soybean cotyledon change during development (Sasaki, 1983; Koch et al.
Their medical histories were reviewed, and dietary galactose intake was calculated from a 3-day diet record just before the study visit.
Of the pectin components, only galactose and rhamnose were positively correlated.
Blood tests measuring enzyme activity, conducted by the researchers, demonstrated that women with ovarian cancer were likely to be deficient in their abilities to break down the galactose into glucose, the end product of carbohydrate metabolism that can then be used by the body as a nutrient.
Without proper levels of these proteins, these people are unable to process the sugar, galactose, which makes up about half of the calories in milk.
Subsequent to the recognition of GALT deficiency, 2 additional enzymatic defects of galactose metabolism that also caused galactose accumulation were identified.
Their presence and distribution patterns is cultivar dependent, as illustrated for galactose (Fig.
Five years ago, Cramer linked galactose consumption with increased risk of ovarian cancer (SN: 7/22/89, p.
DAVANAT([R]), the Company's lead drug candidate, is a carbohydrate polymer, composed of mannose and galactose (galactomannan).
Galactosemia is an autosomal recessive disorder caused by an accumulation of unmetabolized galactose and its derivatives (galactose-1-phosphate and galactitol).
The scientists cultured skin cells in two different nutrient environments - glucose, which provides energy through both glycolysis and respiration, or galactose, which forces cells to rely on mitochondrial respiration alone.