Gaxilose - CAS 14087-31-1

Gaxilose, also known as 4-Galactosylxylose, a synthetic disaccharide and a substrate of intestinal lactase. Gaxilose is used in a new noninvasive diagnostic test based on urine or serum measurement of D-xylose after lactase cleavage of orally administered 4-galactosylxylose (gaxilose) . Gaxilose is hydrolyzed into galactose and xylose in vivo. Galactose is converted into glucose in the liver and xylose is absorbed from a passive way and partially metabolized endogenously (50%) . The rest appears in blood and it is excreted finally through urine. The amount of xylose in urine is proportional to the activity of intestinal lactase. This represents a direct measure of hypo or normo lactasia.

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14055

C11H20O10

312.271

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-20°C

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