Isomalt

IUPAC Name	: (2R,3R,4R,5R)-6-[(2S,3R,4S,5S,6R)-3,4,5-Trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxyhexane-1,2,3,4,5-pentol
Cas Number	: 64519-82-0
HS Code	: 2940.00.00
Formula	: C₂₄H₄₈O₂₂

Basic Info

Appearance Name	: White Crystalline Powder
Common Names	: Isomalt
Packaging	: 25 Kg Bag

Industry

Food Ingredients

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Technical Document

Brief Overview

Isomalt has been a product ingredient in Europe and Asia since the early 1980s. Isomalt contains two disaccharide alcohols, which are 1,1-GMP and 1,6-GPS. It is a sweetener made from sucrose. The sweetening power ranges from 50 % - 60 % of sucrose. Due to the taste profile similar to sucrose, isomalt-based products are hardly different from the original sucrose. The physical appearance of isomalt is white, crystalline, odorless, and low-hygroscopic substance. Normally, isomalt is combined with intense sweeteners to get a variety of sweetness profiles and optimize wetness without masking flavor, which is the constraint form some other sweeteners. Moreover, isomalt blends well with many flavor additives, such as fruity, menthol, and minty.

Manufacturing Process

There are two essential steps in producing isomalt. The first step is using an immobilized enzyme system to rearrange the (1-2) glycosidic linkage between the glucose and the fructose molecule to a (1-6) linkage. The result of this process is called an isomaltulose which is still a glucose-fructose combination. The new linkage is more stable than the previous one in sucrose. The second step is the addition of hydrogen to the fructose part of palatinose. This process will result in a combination of two disaccharide alcohols, the glucopyranosyl-D-sorbitol (1,6-GPS) and glucopyranosyl-D-mannitol dihydrate (1,1-GMP). The standard or generic name of this disaccharide alcohol mixture is isomalt.

Food Industry

Isomalt is used as a sugar replacement due to its low-calorie content, such as in hard-boiled candy and chocolate to replace sugar. Isomalt gives a vibrant color with long-lasting flavor to sugar-free candies.