Not to be confused with Maltol. For "malt sugar", see Maltose.
Maltitol
Chemical structure of maltitol
Names
IUPAC name
4-O-α-D-Glucopyranosyl-D-glucitol
Identifiers
3D model (JSmol)
ChEMBL
ChemSpider
ECHA InfoCard 100.008.699
E number E965 (glazing agents, ...)
UNII
  • InChI=1S/C12H24O11/c13-1-4(16)7(18)11(5(17)2-14)23-12-10(21)9(20)8(19)6(3-15)22-12/h4-21H,1-3H2/t4-,5+,6+,7+,8+,9-,10+,11+,12+/m0/s1 ☒N
    Key: VQHSOMBJVWLPSR-WUJBLJFYSA-N ☒N
  • InChI=1/C12H24O11/c13-1-4(16)7(18)11(5(17)2-14)23-12-10(21)9(20)8(19)6(3-15)22-12/h4-21H,1-3H2/t4-,5+,6+,7+,8+,9-,10+,11+,12+/m0/s1
    Key: VQHSOMBJVWLPSR-WUJBLJFYBZ
  • OC[C@H](O)[C@@H](O)[C@]([C@H](O)CO)([H])O[C@H]1O[C@H](CO)[C@@H](O)[C@H](O)[C@H]1O
Properties
C12H24O11
Molar mass 344.313 g·mol−1
Melting point 145 °C (293 °F; 418 K)
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Infobox references

Maltitol is a sugar alcohol (a polyol) used as a sugar substitute and laxative. It has 75–90% of the sweetness of sucrose (table sugar) and nearly identical properties, except for browning. It is used to replace table sugar because it is half as energetic, does not promote tooth decay, and has a somewhat lesser effect on blood glucose. In chemical terms, maltitol is known as 4-O-α-glucopyranosyl-D-sorbitol. It is used in commercial products under trade names such as Lesys, Maltisweet and SweetPearl.[1]

Production and uses

Maltitol is a disaccharide produced by hydrogenation of maltose obtained from starch. Maltitol syrup, a hydrogenated starch hydrolysate, is produced by hydrogenating corn syrup, a mixture of carbohydrates produced from the hydrolysis of starch. This product contains between 50% and 80% maltitol by weight. The remainder is mostly sorbitol, with a small quantity of other sugar-related substances.[2]

Maltitol's high sweetness allows it to be used without being mixed with other sweeteners. It exhibits a negligible cooling effect (positive heat of solution) in comparison with other sugar alcohols, similar to the subtle cooling effect of sucrose.[3] It is used in candy manufacture, particularly sugar-free hard candy, chewing gum, chocolates, baked goods, and ice cream. The pharmaceutical industry uses maltitol as an excipient, where it is used as a low-calorie sweetening agent. Its similarity to sucrose allows it to be used in syrups with the advantage that crystallization (which may cause bottle caps to stick) is less likely. Maltitol may also be used as a plasticizer in gelatin capsules, as an emollient, and as a humectant.[4]

Nutritional information

Maltitol provides between 2 and 3 kilocalories per gram [kcal/g] (8–10 kJ/g).[5] Maltitol is largely unaffected by human digestive enzymes and is fermented by gut flora, with about 15% of the ingested maltitol excreted unchanged in the feces.[6]

Chemical properties

Maltitol in its crystallized form measures the same (bulk) as table sugar and browns and caramelizes in a manner similar to that of sucrose after liquifying from being heated. The crystallized form is readily dissolved in warm liquids (≈ 50 °C (120 °F) and above); the powdered form is preferred if room-temperature or cold liquids are used. Due to its sucrose-like structure, maltitol is easy to produce and made commercially available in crystallized, powdered, and syrup forms.

It is not metabolized by oral bacteria, so it does not promote tooth decay.[1] It is more slowly absorbed than sucrose, a desirable property for diet in diabetes.

Effects on digestion

Like other sugar alcohols (with the possible exception of erythritol), maltitol has a laxative effect,[7] typically causing diarrhea at a daily consumption above about 90 g.[8] Doses of about 40 g may cause mild borborygmus (stomach and bowel sounds) and flatulence.[9]

See also

References

  1. 1 2 Schiweck, Hubert; Bär, Albert; Vogel, Roland; Schwarz, Eugen; Kunz, Markwart; Dusautois, Cécile; Clement, Alexandre; Lefranc, Caterine; Lüssem, Bernd; Moser, Matthias; Peters, Siegfried (2012). "Sugar Alcohols". Ullmann's Encyclopedia of Industrial Chemistry. doi:10.1002/14356007.a25_413.pub3. ISBN 9783527303854.
  2. ↑ Application A537 – Reduction in the energy factor assigned to Maltitol: Final Assessment Report (PDF), Food Standards Australia New Zealand, 5 October 2005, archived (PDF) from the original on 4 March 2016, retrieved 27 January 2014
  3. ↑ Field, Simon Quellen; Simon Field (2007). Why There's Antifreeze in Your Toothpaste. Chicago Review Press. pp. 86. ISBN 9781556526978.
  4. ↑ "Cargill:Products and Services". Archived from the original on 2007-08-12. Retrieved 2009-02-18.
  5. ↑ Franz, M. J.; Bantle, J. P.; Beebe, C. A.; Brunzell, J. D.; Chiasson, J.-L.; Garg, A.; Holzmeister, L. A.; Hoogwerf, B.; Mayer-Davis, E.; Mooradian, A. D.; Purnell, J. Q.; Wheeler, M. (2002). "Evidence-Based Nutrition Principles and Recommendations for the Treatment and Prevention of Diabetes and Related Complications". Diabetes Care. 25 (1): 148–198. doi:10.2337/diacare.25.1.148. PMID 11772915. Archived from the original on 2016-10-20. Retrieved 2015-04-28.
  6. ↑ Oku, T.; Akiba, M.; Lee, M. H.; Moon, S. J.; Hosoya, N. (October 1991). "Metabolic fate of ingested [14C]-maltitol in man". Journal of Nutritional Science and Vitaminology. 37 (5): 529–44. doi:10.3177/jnsv.37.529. PMID 1802977. Archived from the original on 28 May 2023. Retrieved 21 February 2019.
  7. ↑ Maltidex maltitol Archived 2016-04-05 at the Wayback Machine. Cargill – Food and Beverage Ingredients.
  8. ↑ Ruskoné-Fourmestraux, A.; Attar, A.; Chassard, D.; Coffin, B.; Bornet, F.; Bouhnik, Y. (2003). "A digestive tolerance study of maltitol after occasional and regular consumption in healthy humans". Eur. J. Clin. Nutr. 57 (1): 26–30. doi:10.1038/sj.ejcn.1601516. PMID 12548293. S2CID 6975213.
  9. ↑ Mäkinen, K. K. (2016). "Gastrointestinal Disturbances Associated with the Consumption of Sugar Alcohols with Special Consideration of Xylitol: Scientific Review and Instructions for Dentists and Other Health-Care Professionals". Int. J. Dent. 2016: 5967907. doi:10.1155/2016/5967907. PMC 5093271. PMID 27840639.
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