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Maltose is the two-unit member of the amylose homologous series, the key structural motif of starch. When beta-amylase breaks down starch, it removes two glucose units at a time, producing maltose. An example of this reaction is found in germinating seeds, which is why it was named after malt. [4] Unlike sucrose, it is a reducing sugar. [5]
Due to its rapid absorption, maltodextrin is used by athletes as an ingredient in sports drinks or recovery supplements to replenish glycogen stores and enhance performance during prolonged exercise. [18] It can be taken as a dietary supplement in powder form, gel packets, energy drinks [6] or oral rinse.
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]
Added sugars [4] include brown sugar, corn sweetener, corn syrup, dextrose (also known as glucose), fructose, high fructose corn syrup, honey, invert sugar (a mixture of fructose and glucose), lactose, malt syrup, maltose, molasses, raw sugar, sucrose, trehalose, and turbinado sugar.
A molecule of maltose is formed by the combination of two molecules of glucose. It is less sweet than glucose, fructose or sucrose. [72] It is formed in the body during the digestion of starch by the enzyme amylase and is itself broken down during digestion by the enzyme maltase. [80] Sucrose is found in the stems of sugarcane and roots of ...
Mannitol is commonly produced via the hydrogenation of fructose, which is formed from either starch or sucrose (common table sugar). Although starch is a cheaper source than sucrose, the transformation of starch is much more complicated. Eventually, it yields a syrup containing about 42% fructose, 52% glucose, and 6% maltose.
Inulin is a significant part of the daily diet of most of the world's population. FOS can also be synthesized by enzymes of the fungus Aspergillus niger acting on sucrose. GOS is naturally found in soybeans and can be synthesized from lactose. FOS, GOS, and inulin are also sold as nutritional supplements. [citation needed]
An oligosaccharide has both a reducing and a non-reducing end. The reducing end of an oligosaccharide is the monosaccharide residue with hemiacetal functionality, thereby capable of reducing the Tollens’ reagent, while the non-reducing end is the monosaccharide residue in acetal form, thus incapable of reducing the Tollens’ reagent. [2]