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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.
Lactitol is produced by hydrogenation of lactose using Raney nickel catalyst. The product can be obtained as an anhydrous, monohydrate, or dihydrate. Two manufacturers, Danisco and Purac Biochem, produce about 10,000 tons/y. [1]
Glucose is present in solid form as a monohydrate with a closed pyran ring (α-D-glucopyranose monohydrate, sometimes known less precisely by dextrose hydrate). In aqueous solution, on the other hand, it is an open-chain to a small extent and is present predominantly as α- or β- pyranose , which interconvert.
For example, milk sugar (lactose) is a disaccharide made by condensation of one molecule of each of the monosaccharides glucose and galactose, whereas the disaccharide sucrose in sugar cane and sugar beet, is a condensation product of glucose and fructose. Maltose, another common disaccharide, is condensed from two glucose molecules. [7]
The digestive system is unable to process the lactose sugar, and the unprocessed sugars in the gut produce the symptoms of lactose intolerance. Lactose intolerance is not an allergy , because it is not an immune response, but rather a sensitivity to dairy caused by a deficiency of lactase enzyme.
Current research is finding new application of α-lactalbumin outside the physiological lactose production. Nutrition: α-Lactalbumin is essential for newborn nutrition. This protein provides essential amino acids and bioactive compounds necessary for optimal growth, development, and health. α-Lactalbumin is the most abundant whey protein in ...
The Food and Drug Administration (FDA) considers American cheese to be “pasteurized process cheese.” All cheese—real or not—undergoes some degree of processing to achieve the final product.
Lactococcus lactis is of crucial importance for manufacturing dairy products, such as buttermilk and cheeses. When L. lactis ssp. lactis is added to milk, the bacterium uses enzymes to produce energy molecules , from lactose. The byproduct of ATP energy production is lactic acid.