Lactose, or milk sugar, is a disaccharide composed of galactose and glucose and has the molecular formula C 12 H 22 O 11. Lactose makes up around 2–8% of milk (by mass). The name comes from lact (gen. lactis), the Latin word for milk, plus the suffix -ose used to name sugars.

2022年3月5日 · People with lactose intolerance are unable to fully digest the sugar (lactose) in milk. As a result, they have diarrhea, gas and bloating after eating or drinking dairy products. The condition, which is also called lactose malabsorption, is usually harmless, but its symptoms can be uncomfortable.

2024年2月22日 · Lactose intolerance is the inability to digest lactose, the sugar in milk and dairy products. Read on to know if you are intolerant or not.

2024年10月29日 · Lactose is a natural, complex sugar produced in all mammalian milk that’s difficult to breakdown unless you have lactase, a protein, in your small bowel.

2024年10月18日 · Lactose is a natural sugar that's found in milk. It is a carbohydrate. Structurally, it is a disaccharide— a sugar molecule that’s composed of two simple sugars: glucose and galactose. Lactose is an important source of energy for babies, and it is also commonly used in food processing and pharmaceutical drug manufacturing.

Lactose intolerance is the inability to digest lactose, the sugar in milk. It causes digestive symptoms, but isn’t dangerous.

Lactose intolerance is an inability to digest lactose, a sugar found in milk and milk products. This condition often runs in families and can affect both children and adults. Lactose intolerance is most common in Asian Americans, African Americans, Mexican Americans and Native Americans.

2024年12月28日 · Lactose, carbohydrate containing one molecule of glucose and one of galactose linked together. Composing about 2 to 8 percent of the milk of all mammals, lactose is sometimes called milk sugar. It is the only common sugar of animal origin.

Lactose is the principal sugar of mammal milk, with a few exceptions (e.g., sea lions and walruses), and is the source of nourishment for newborns . After weaning, mammals are not capable of digesting milk, and humans are the only species that continue to consume and digest milk daily, thanks to a phenomenon of gene–culture coevolution .

2023年7月6日 · Lactose intolerance is an inability to digest and absorb the sugar in dairy products. Learn the causes, symptoms, diagnostic tests, treatment, and complications of lactose intolerance, as well as which foods and medications contain dairy.