Article. When dairy . What is lactose intolerance? The name comes from lac (gen. lactis), the Latin word for milk, plus the suffix -ose used to name sugars. Lactose Intolerance Definition Lactose intolerance refers to the inability of the body to digest lactose. Lactose is commonly found in dairy products, such as milk and yogurt. Food intolerance is a broad term that is used to describe a wide range of adverse reactions to foods, that cause symptoms after eating some foods. This is the same definition as the -OH in a hemiacetal. These include stomach pain, bloating, gas/flatulence, diarrhoea, irritable bowel syndrome (IBS), rashes, hives (urticaria), recurrent mouth ulcers or headaches. Lactose intolerance causes by lactose malabsorption, a condition in which the small intestine cannot digest or break down all of the lactose that a person eats or drinks. There is lack of clear definition in terminology used for ' lactose intolerance ' which is interchangeably used for lactose intolerance, lactose malabsorbtion, lactase deficiency, alactasia, hypolactasia and several other conditions. For lactose to be absorbed by the body, it must be broken down in the gut by a protein called lactase. tofu. In this document we describe some aspects of lactose and milk intolerance, discuss the results of studies carried out previously in Mexico, and report an investigation whose objective was to quantify the impact of lactose intolerance on the habitual consumption of milk in an open population. The meaning of LACTOSE INTOLERANT is unable to digest lactose. Lactase is an enzyme your body produces to help you digest that sugar. Lactose intolerance is caused by lactose malabsorption, a condition in which your small intestine makes low levels of lactase and can't digest all the lactose you eat or drink. If your glucose level doesn't rise, it means your body isn't properly digesting and absorbing the lactose-filled drink. Persons with lactose intolerance are unable to digest significant amounts of lactose because of a genetically inadequate amount of the enzyme lactase. Lactose, a disaccharide, is a sugar composed of galactose and glucose subunits and has the molecular formula C 12 H 22 O 11.Lactose makes up around 2-8% of milk (by weight). Lactose is the primary sugar found in dairy products. The meaning of INTOLERANT is unable or unwilling to endure. Glucose intolerance is a term used to describe metabolic conditions that result in higher than normal blood sugar levels. Lactose intolerance. If you're predisposed to symptoms of acid reflux like heartburn and indigestion, having a lactose intolerance can make things worse. Definition of Lactose intolerance. Meaning of lactose intolerance. Lactase Definition. Related WordsSynonymsLegend: Switch to new thesaurus Noun 1. lactose intolerance - congenital disorder consisting of an inability to digest milk and milk products; absence or deficiency of lactase results in an inability to hydrolyze lactose lactase deficiency, milk intolerance congenital disease, genetic abnormality, genetic defect, genetic disease, genetic disorder, hereditary condition . The enzyme lactase, which is normally produced by cells lining the small intestine, breaks down lactose into substances that can be absorbed into the bloodstream. Lactose intolerance is a condition in which people have digestive symptomssuch as bloating, diarrhea, and gasafter eating or drinking milk or milk products. Males and females are equally affected; the disorder commonly is manifested between the ages of 20 and 40 years. Lactose malabsorption is a common condition caused by reduced expression or activity of lactase in the small intestine. Lactose intolerance is a common digestive problem where the body is unable to digest lactose, a type of sugar mainly found in milk and dairy products. The job of lactase is to break down lactose, the main sugar in milk. Lactose is a disaccharide sugar found in milk and is produced exclusively by the mammary glands of mammals. If you don't have enough lactase, you might experience gas, bloating, cramps, or diarrhea after you eat foods containing lactose, like dairy products. Information and translations of lactose intolerance in the most comprehensive dictionary definitions resource on the web. In lactose intolerance, digestive symptoms are caused by lactose malabsorption . Lactose is normally broken down by an enzyme called lactase, which is produced by cells in the lining of the small intestine. Lactose intolerance is a medical condition where the affected person's body is incapable of effectively digesting the sugar in milk. The two monosaccharides are joined by a - (14) glycosidic bond. Lactose Intolerance Market Definition and Overview. They may include: farting diarrhoea It is sometimes referred to as dairy intolerance and is rarely serious. Such blinded testing might be especially important in those with functional gastrointestinal diseases in whom self-reported lactose intolerance is common . Lactose-tolerant populations, they claim, could better survive famines, and may also have been better conquerors, aiding the spread of their civilizations and cultures. That's called being lactose-intolerant. Lactose intolerance is a common condition caused by a decreased ability to digest lactose, a sugar found in dairy products. Lactose intolerance is the inability to digest significant amounts of lactose, the predominant sugar of milk. This leads to uncomfortable digestive symptoms. The . Compare Lactose and Maltose Acetals. lactose [lakts] a sugar derived from the milk of mammals, which on hydrolysis yields glucose and galactose; used as a tablet and capsule diluent, a powder bulking agent, and as a component of infant feeding formulas. This can result in bloating, gas/flatulence, stomach upset and diarrhoea after having dairy products. Inability to fully digest and absorb lactose due to limited or no lactase activity in the small intestine. nausea, bloating, and pain) after ingestion of dairy products. Some people under-produce lactase, and this leads to a condition called lactose intolerance, which is defined as an inability to digest lactose due to a lack of lactase. How to use intolerant in a sentence. Lactose: structure, synthesis, sources, role, digestion, intolerance. The enzyme lactase, which is normally produced by cells lining the small intestine, breaks down lactose into substances that can be absorbed into the bloodstream. Miller-Keane Encyclopedia and Dictionary of . If you have lactose malabsorption, your small intestine makes low levels of lactasethe enzyme that breaks down lactoseand can't digest all the lactose you eat or drink. The condition, which is also called lactose malabsorption, is usually harmless, but its symptoms can be uncomfortable. For almost any dairy food imaginable, including butter, cheese, yogurt, and ice cream, there is a vegan alternative. The digestion of lactose depends on the small intestinal brush border enzyme lactase-phlorizin hydrolase (lactase). Inability to fully digest and absorb lactose due to limited or no lactase activity in the small intestine. Lactose intolerance is a condition in which you have digestive symptomssuch as bloating, diarrhea, and gas after you consume foods or drinks that contain lactose. Lactose or milk sugar or -D-galactopyranosyl- (1 4)-D-glucose is a disaccharide made up of one -D-galactose molecule and one D-glucose molecule, in pyranose form. Lactase breaks down the lactose in food so your body can absorb it. Most young mammals possess lactase but eventually the quantity lessens post weaning from their mothers milk. Lactose intolerance Lactose is a type of sugar found in milk and other dairy products. | Meaning, pronunciation, translations and examples since dairy is high in fat and also known to relax the sphincter muscle of the esophagus (allowing more acid to . An intolerance, such as coeliac disease or lactose intolerance, can create gas. Since glucose has a hemiacetal . The genetic basis of lactose malabsorption is established and several tests for . It's caused by reduced production of the enzyme lactase in your gut. You become lactose intolerant when. Lactose intolerance occurs when the ability of the gastrointestinal (GI) tract to digest lactose is impaired. People with lactose intolerance are unable to fully digest the sugar (lactose) in milk. For the mammals who lack the enzyme completely, lactose goes through the colon where it feeds the bacteria there. Lactose intolerance is an impaired ability to digest lactose, a sugar found in milk and other dairy products. Description Lactose is the predominant form of sugar present in Elimination Diet, Definition An elimination diet is the systematic elimination of foods or group of foods from the diet suspected in causing a food allergy. Mammals use milk to feed their young, and in most mammals, the activity of lactase decreases after the young is weaned and can consume other foods. Glucose Intolerance: Symptoms of Prediabetes trend www.verywellhealth.com. Lactose intolerance happens when your small intestine does not make enough of a digestive enzyme called lactase. . Description Lactose is the form of sugar present in milk. What is Lactose Intolerance? Congenital intolerance is inherited following an autosomal recessive pattern but is rare. This sugar is commonly known as lactose. Noun 1. lactose intolerance - congenital disorder consisting of an inability to digest milk and milk products; absence or deficiency of lactase results in. Lactose-intolerance synonyms, Lactose-intolerance pronunciation, Lactose-intolerance translation, English dictionary definition of Lactose-intolerance. This isn't the most common symptom of lactose intolerance, but it is an indicator that cutting back on dairy could help your symptoms. If you are lactose intolerant, make sure you get enough calcium each day. Lactose intolerance is caused by lactose malabsorption. Congenital intolerance is inherited following an autosomal recessive pattern but is rare. Bacteria in your colon break down the lactose and create fluid and gas. Lactose intolerance refers to the inability of the body to digest lactose. Lactose intolerance definition: Intolerance is unwillingness to let other people act in a different way or hold different. Of course this is because cow's milk is intended for the cow's young, the calf. products with labels that show they have added calcium, such as some cereals, fruit juices, and soy milk. Lactose Intolerance Definition. For the body to digest lactose, it uses a natural enzyme called lactase to break lactose down into these two sugars.