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(organic chemistry)
CH2OH(CHOH)3CH2OH Pentahydric alcohols derived from xylose. Also known as xylite.



CH2OH(CHOH)3CH2OH a polyhydric alcohol (pentitol), an optically inactive isomer; colorless hygroscopic crystals with a sweet taste. Xylitol is soluble in water, alcohol, glycols, acetic acid, and pyridine. It has the same calorific value as sugar (4 kcal/g) but is twice as sweet; however, it has no biological value. It has no adverse effect on organisms and is therefore used in the food industry, for example, as a sugar substitute in the manufacture of sweet edibles for individuals suffering from diabetes and obesity.

Xylitol exhibits a cholagogic and aperient effect; the prescribed daily dosage should not exceed 50 g. It can also be used in the preparation of esters, surface-active agents, and synthetic resins. In industry xylitol is prepared by the reduction of xylose; vegetable byproducts such as corn cobs and cotton husks serve as raw material for this process.

References in periodicals archive ?
The global xylitol market is anticipated to grow at a moderate pace owing to the demand for safe, healthy, and economic sugar substitutes.
Xylitol inhibits or arrests growth of certain bacteria that is responsible for dental caries which belongs to the family of Gram Positive Streptococci Mutans (by reducing and interrupting the acid production of bacteria).
For industry chain analysis, the report covers Xylitol upstream raw materials, equipment, downstream client survey, marketing channels, industry development trend and proposals, which more specifically include valuable information on Xylitol key applications and consumption, key regions and consumption, key global distributors, major raw materials suppliers and contact information, major manufacturing equipment suppliers and contact information, major suppliers and contact Information, key consumers and contact information, and supply chain relationship analysis.
Erythritol reduced dental plaque weight by 24% in a 3-year study period, while xylitol and sorbitol caused little to no change.
Armed with that information, and realizing that bacteria is often inhaled through the nose, he says another study showed xylitol to be effective when applied directly to the nasal passages.
Considerable research conducted since the early 1970s has established that consuming xylitol products results in reduction in tooth decay rates ranging from 30% up to levels in excess of 80%.
Jasmine Zhang, Deputy General Manager of Intertek China Green Initiatives, said, "Fu state is the first company in China to have Intertek carry out a life cycle assessment of its xylitol products.
The mothers with high counts of salivary MS (>105 colony forming units; n= 184) were randomly assigned into three experimental groups (A, B, C) and instructed to chew one piece of chewing gum three times daily, containing combinations of xylitol, sorbitol, chlorhexidine and fluoride as detailed below.
Xylitol is an alcohol-based sugar, so when it comes into contact with moisture, it evaporates.
Microbial xylitol production from agricultural wastes containing hemicelluloses could be a possible candidate because it has the potential to realize cheaper production of xylitol with low environmental impact by the effective utilization of renewable resources such as agricultural wastes [20,6].
The package insert also explains that "adding high levels of xylitol to the daily diet of RAOM-prone children helps them maintain a healthy balance of microflora in their upper airways" and that "specific oral bacteria are not sustained in the presence of xylitol and are therefore less available to affect the upper airway microflora.
Implementations may include liquefying the hydrolyzed cellulose stream to form a raw sugars stream, separating xylitol from the raw sugars stream and fermenting the sugars stream to form a raw ethanol stream by reacting the sugars stream with a yeast feed in at least one fermenter.