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Header of Lactulose


Definition of the noun Lactulose

What does Lactulose mean as a name of something?


  1. [organic compound] A disaccharide of galactose and fructose formed when milk is heated


Lactulose is a synthetic, non-digestible sugar used in the treatment of chronic constipation and hepatic encephalopathy, a complication of liver disease. It is a disaccharide formed from one molecule each of the simple sugars fructose and galactose. Lactulose is not normally present in raw milk, but is a product due to the heat-processes: the more the heat, the more the presence of this substance. It is produced commercially by isomerization of lactose.

  • also known as 4-O-b-D-Galactopyranosyl-D-fructose, 4-O-b-D-galactopyranosyl-D-Fructofuranose, D-Lactulose, Bifiteral, Cephulac, 乳膠糖, 異構化乳糖, 異構乳糖

Printed dictionaries and other books with definitions for Lactulose

Click on a title to look inside that book (if available):

Google previewFunctional Foods (2013)

Principles and Technology by Mingro Guo

Lactulose is a semisynthetic disaccharide comprised of galactose and fructose. Lactulose is resistant to human digestive enzymes and can be fermented by a limited number of bacteria in the colon, especially Lactobacilli and Bifidobacteria.

Google previewSaunders Manual of Small Animal Practice (2005)

by Stephen J. Birchard, Robert G. Sherding

Lactulose is a non-absorbable disaccharide (see Table 74-2) that is fermented by colonic bacteria to lactic acid and other organic acids that exert an osmotic effect and stimulate colonic fluid secretion and propulsive motility. Lactulose is a very ...

Google previewPills for Pets (2003)

The A to Z Guide to Drugs and Medications for Your Animal Companion by Debra Eldredge

Lactulose is an osmotic laxative. This is a drug that influences a normal body function — in this...

Lactulose is a powerful medication and should always be used under veterinary supervision. Sometimes lactulose is combined with antibiotics ...

Google previewDrugs in Palliative Care (2012)

by Andrew Dickman

Lactulose is a synthetic sugar consisting of fructose and galactose. In the colon, it is broken down primarily to lactic acid by the action colonic bacteria. This results in an increase in osmotic pressure and slight reduction of colonic pH which ...

Google previewDietary Sugars (2012)

Chemistry by Victor R Preedy

Lactulose. Lactulose is a synthetic disaccharide obtained from lactose through an isomerization reaction. Lactulose is widely used ...

Google previewEssentials of Organic Chemistry (2013)

For Students of Pharmacy, Medicinal Chemistry and Biological Chemistry by Paul M. Dewick

Lactulose is a semi- synthetic disaccharide prepared from lactose, and is composed of galactose linked β1 → 4 ...

Google previewSBA and MTF MCQs for the Primary FRCA (2012)

by James Nickells, Benjamin Walton, Writers Group

Lactulose is an expensive laxative and ispaghula husk would do just as well. Paracetamol should be prescribed regularly. Long explanation A stool bulking agent or faecal softener is an effective prophylactic agent against the constipation ...

Google previewClinical Pharmacology (2007)

With STUDENTCONSULT Access by Peter N. Bennett, Morris J. Brown

Lactulose is a synthetic disaccharide. Taken orally, it is unaffected by small intestinal disaccharidases, is not absorbed and thus acts as an osmotic laxative. Tolerance may develop. Lactulose is also used in ...

Google previewClinical Pharmacy and Therapeutics (2011)

by Roger Walker

Lactulose is a semisynthetic disaccharide, which is not absorbed from the gut. It increases faecal weight, volume and bowel movement and must be taken regularly. It may take 48 h or longer to work. It is also useful in the treatment of hepatic ...

Google previewThe Top 100 Drugs (2014)

Clinical Pharmacology and Practical Prescribing by Andrew Hitchings, Dagan Lonsdale, Daniel Burrage, Emma Baker

Lactulose. One of the main substances involved in the pathogenesis of hepatic encephalopathy is ammonia. Lactulose is an osmotic laxative that reduces absorption of ammonia by increasing transit rate of colonic contents and by acidifying ...

Google previewSmall Animal Therapeutics (2013)

by R. J. Martin

Lactulose (Duphalac) Lactulose is a disaccharide which is not hydrolysed by the enzymes of the pancreas and intestine. Once it has been taken orally it passes unchanged into the alimentary tract and is hydrolysed by the bacteria present in ...


by Mr. M.P. Kabra

Lactulose: An osmotic laxative, lactulose is a semisynthetic disaccharide – a type of carbohydrate – which is not absorbed from the gastrointestinal tract. It reduces the acidity of faeces. Lacuna: A small pit or depression. Lamella: A small disc of ...

Google previewParkinson's Disease: Current and Future Therapeutics and Clinical Trials (2016)

by Nestor Galvez-Jimenez, Hubert H. Fernandez, Alberto J. Espay, Susan H. Fox

Although lactulose is a nonabsorbable disaccharide, lactulose syrup may contain small amounts of absorbable sugars, and has rarely been reported to worsen glycemic control in diabetic patients, as reported by Kirkman et al. [53].

Google previewSmall Animal Internal Medicine - E-Book (2014)

by Richard W. Nelson, C. Guillermo Couto

LactuloseLactulose is a soluble fiber that acidifies colonic contents, reducing ammonia absorption, and also increases colonic bacterial cell growth, therefore incorporating ammonia into the bacterial cell walls. Cats should be given 2.5-5 mL ...

Google previewPharmacology for the Primary Care Provider (2013)

by Marilyn Winterton Edmunds, Maren Stewart Mayhew

Lactulose is a semisynthetic disaccharide of fructose and galactose. Sorbitol is a nonabsorbable sugar. However, glycerin is a naturally occurring trivalent alcohol suppository that acts via hyperosmotic action and through local irritation and ...

Google previewJoints and Connective Tissues (2012)

General Practice: The Integrative Approach Series by Kerryn Phelps, Craig Hassed

Lactulose is a semisynthetic disaccharide used for the treatment of constipation. It is not absorbed from the gut. It acts by increasing fluid accumulation in the intestinal lumen increasing peristalsis, thereby shortening the transit time of intestinal ...

Google previewInstant Pharmacology (1999)

by Kourosh Saeb-Parsy

Lactulose is an osmotic laxative. USES: Lactulose is used in the management of constipation and hepatic encephalopathy. MECHANISM OF ACTION: Lactulose is the pharmacological preparation of the disaccharide sugar ...

Google previewAdvances in Pediatrics (2012)

by Anupam Sachdeva, AK Dutta

Osmotic Agents Lactulose Lactulose is a very often used to treat constipation in children. Lactulose is a diasaccharide of sugars D-galactose and D-fructose and is not absorbed in the intestine. The enzymes in the gut cannot digest it and it ...

Google previewEssentials of Pharmacotherapeutics (2000)

by F S K Barar

Lactulose is a disaccharide which is not hydrolysed by the pancreatic and intestinal secretions. Taken orally, it passes unchanged to the lower alimentary tract, where it is hydrolysed by carbohydrate-fermenting bacteria, and thus ...

Google previewCanine and Feline Gastroenterology (2012)

by Robert J. Washabau, Michael J. Day

Lactulose is a nonabsorbable disaccharide, which is metabolized by the colonic bacteria into short-chain fatty acids. These fatty acids acidify the intraluminal content causing to form ammonium ion (NH4+) from ammonia (NH3). Because of its ...

Google previewSleisenger and Fordtran's Gastrointestinal and Liver Disease (2010)

Pathophysiology, Diagnosis, Management, Expert Consult Premium Edition - Enhanced Online Features by Mark Feldman, Lawrence S. Friedman, Lawrence J. Brandt

Lactulose is a synthetic disaccharide that cannot be hydrolyzed by the human intestine and is not absorbed intact in more than trace amounts. It thereby causes an osmotic diarrhea when given in sufficient quantity to overwhelm the metabolic ...

Google previewPharmacology and Therapeutics for Dentistry (2010)

by John A. Yagiela, Frank J. Dowd, Bart Johnson, Angelo Mariotti, Enid A. Neidle

Lactulose is a semisynthetic disaccharide. In the large ...

Google previewPrinciples of Ambulatory Medicine (2007)

by Nicholas H. Fiebach, Lee Randol Barker, John Russell Burton, Philip D. Zieve

Lactulose is the principal therapy for hepatic encephalopathy. Lactulose is a nonabsorbable synthetic disaccharide that reduces blood ammonia and improves ...

Google previewMedical Pharmacology and Therapeutics (2013)

by Derek G. Waller, Tony Sampson

Lactulose is a disaccharide of fructose and galactose. In the colon, bacterial action releases fructose and galactose, which are fermented to lactic and acetic acids with release of gas. The fermentation products are osmotically active. They also ...

Google previewPharmacology for Rehabilitation Professionals (2010)

by Barbara Gladson

Lactulose is a synthetic sugar that is not digested in the stomach or absorbed in the small intestine. However, it is metabolized in the large intestine into a hyperosmotic solution that draws fluid into the colon. Polyethylene glycol is a laxative ...

Google previewPharmacology for Women's Health (2010)

by Tekoa L. King, University of California at San Francisco Journal of Midwifery & Women's Health Tekoa King, Mary C. Brucker

Lactulose is an FDA Pregnancy Category B medication, and Laxatives 633.

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Video about Lactulose

Lactulose Meaning

Video shows what lactulose means. A disaccharide of galactose and fructose formed when milk is heated. Lactulose Meaning. How to pronounce, definition ...

Scrabble value of L1A1C3T1U1L1O1S1E1

The value of this 9-letter word is 11 points, but it's not an accepted word in the Official Scrabble Players Dictionary.

Anagrams of LACTULOSE

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