Maltitol is a member of a family of bulk sweeteners known as polyols or sugar alcohols. It has a pleasant sweet taste--remarkably similar to sucrose. Maltitol is about 90% as sweet as sugar, non-cariogenic, and significantly reduced in calories. Maltitol is especially useful in the production of sweets, including sugarless hard candies, chewing gum, chocolates,* baked goods and ice cream. It is available worldwide from Roquette, SPI Polyols, Inc. and Towa Chemical Industry Co., LTD.
Maltitol is made by the hydrogenation of maltose which is obtained from starch. Like other polyols, it does not brown or caramelize as do sugars. Maltitol’s high sweetness allows it to be used without other sweeteners. It exhibits a negligible cooling effect in the mouth compared to most other polyols. Although maltitol is often used to replace sugars in the manufacture of sugar-free foods, it may also be used to replace fat as it gives a creamy texture to food.
Benefits of Maltitol
Does not promote tooth decay -- Maltitol, like other polyols, is resistant to metabolism by oral bacteria which break down sugars and starches to release acids that may lead to cavities or erode tooth enamel. Maltitol, therefore, is non-cariogenic. The usefulness of polyols, including maltitol, as alternatives to sugars and as part of a comprehensive program including proper dental hygiene has been recognized by the American Dental Association. The FDA has approved the use of a "does not promote tooth decay" health claim in labeling for sugar-free foods that contain maltitol or other polyols.
Facts About Maltitol
- Bulk sweetener with a clean sweet taste similar to sucrose in intensity
- Reduced-calorie sweetener with only 2.1 calories per gram
- Useful in formulating a variety of low-calorie, low-fat and sugar-free foods
- Especially useful in the manufacture of sucrose-free chocolate
- May be useful for people with diabetes because it does not raise blood glucose or insulin levels
- Does not contribute to the formation of dental caries
Useful in the Diets of People with Diabetes -- Control of blood glucose, lipids and weight are the three major goals of diabetes management today. Maltitol is slowly absorbed. Therefore, when maltitol is used, the rise in blood glucose and the insulin response associated with the ingestion of glucose is significantly reduced. The reduced caloric value of maltitol (2.1 calories per gram versus 4.0 for sugar) is consistent with the objective of weight control. Products sweetened with maltitol in place of sugar may be useful in providing a wider variety of reduced-calorie and sugar-free choices to people with diabetes.
Recognizing that diabetes is complex and requirements for its management may vary between individuals, the usefulness of maltitol should be discussed between individuals and their health care providers. Foods sweetened with maltitol may contain other ingredients which also contribute calories and other nutrients. These must be considered in meal planning.
Reduced Calorie Alternative to Sugar - Absorption of maltitol by the human body is slow, allowing part of the ingested maltitol to reach the large intestine where metabolism yields fewer calories. Therefore, unlike sugar which contributes four calories per gram, the caloric contribution of maltitol is only 2.1 calories per gram. The U.S. Food and Drug Administration has stated it does not object to the use of this value for maltitol in nutrition labeling of foods. For a product to qualify as "reduced calorie" in the United States, it must have at least a 25 percent reduction in calories. Maltitol is, therefore, useful in formulating "reduced calorie" products.
The lower caloric value of maltitol and other polyols is recognized in other countries as well. For example, the European Union has provided a Nutritional Labeling Directive stating that all polyols, including maltitol, are assigned a caloric value of 2.4 calories per gram.
Useful in the Production of Sucrose Free/Reduced Calorie Chocolate - Before the development of maltitol, the production of "sucrose-free" or "no sugar added" chocolate proved difficult because of the lack of a polyol with the physical, chemical and organoleptic properties of sucrose. Maltitol’s anhydrous crystalline form, low hygroscopicity, high melting point and stability allow it to replace sucrose in high quality chocolate coatings, confectionery, bakery chocolate and ice cream.
A petition to affirm the GRAS (Generally Recognized as Safe) status of maltitol has been accepted for filing by the U.S. Food and Drug Administration. This petition describes the use of maltitol as a flavoring agent, formulation aid, humectant, nutritive sweetener, processing aid, sequestrant, stabilizer and thickener, surface-finishing agent and texturizer. In particular, the petition addresses the use of maltitol at levels of up 99.5% in hard candy and cough drops, 99% in sugar substitutes, 85% in soft candies, 75% in chewing gum, 55% in non-standardized jams and jellies and 30% in cookies and sponge cake.
The safety of maltitol as a food ingredient is substantiated by numerous studies in both humans and animals. The Joint Food and Agriculture Organization/World Health Organization Expert Committee on Food Additives (JECFA) has reviewed the safety data and concluded that maltitol is safe. JECFA has established an acceptable daily intake (ADI) for maltitol of "not specified," meaning no limits are placed on its use. An ADI "not specified" is the safest category in which JECFA can place a food ingredient. Many countries which do not have their own agencies to review food additive safety adopt JECFA’s decisions.
The Scientific Committee for Food of the European Union (EU) published a comprehensive assessment of sweeteners in 1985, concluding that maltitol is acceptable for use, also without setting a limit on its use.
As with other polyols, maltitol may produce a laxative effect when consumed at very high levels. An information statement similar to the one required for other polyols is recommended in the GRAS petition for foreseeable consumption of greater than 100 grams per day of maltitol.
Multiple Ingredient Approach to Calorie Control
Americans continue to demand good-tasting products with less calories and fat. The development and use of a variety of safe low-calorie sweeteners, bulking agents, fat replacers and other low-calorie ingredients help meet this consumer demand. The availability of many low-calorie ingredients allows food manufacturers to choose the most appropriate ingredient, or combination of ingredients, for a given product.
Maltitol works well with other ingredients and may be synergistic with other sweeteners. This means the combination of the sweeteners is sweeter than the sum of the individual sweeteners and results in synergistic blends which provide taste, economic and stability advantages.
Maltitol’s good taste, reduced caloric value, versatility and its high level of sweetness compared to most other polyols facilitates its use in a wide variety of products. With the increasing demand for products reduced in calories and fat, maltitol’s use is expected to increase.
*As used in this paper, chocolate refers to chocolate flavored confectionery.
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American Dental Association. Position Statement on the Role of Sugar-Free Foods and Medications in Maintaining Good Oral Health. Adopted October 1998.
Commission of the European Communities. Reports of the Scientific Committee for Food concerning sweeteners. Sixteenth Series. Report EUR 10210 EN. Office for Official Publications of the European Communities, Luxembourg, 1985.
European Economic Community Council (EEC). Directive on food labeling. Official Journal of the European Communities. No. L 276/40 (Oct. 6, 1990).
Joint FAO/WHO Expert Committee on Food Additives, IPCS Toxicological evaluation of certain food additives and contaminants: Maltitol, WHO Food Additives Series: 32, 1993, pp. 101-104.
Life Sciences Research Office. Evaluation of the net energy value of maltitol. April 1999. (unpublished)
Office of the Federal Register, General Services Administration, Code of Federal Regulations, Title 21, Section 101.80, Health Claims: dietary sugar alcohols and dental caries. Washington, DC, U.S. Government Printing Office, 1998.
Modderman JP. Safety Assessment of Hydrogenated Starch Hydrolysates. Regulatory Toxicology and Pharmacology, 18:80-104, 1993.
Petition to Affirm Generally Recognized As Safe (GRAS) Status of Maltitol As A Food Ingredient, by Towa Chemical Industry Co., Ltd., filed December 23,1986 with the United States Food and Drug Administration.