CAS No.: | 499-40-1 |
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Formula: | C12h24o11 |
EINECS: | 207-879-1 |
Type: | Isomaltose |
Nutritional Value: | Nutritional |
Effect: | Sweetener |
Customization: |
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The term "oligosaccharide" encompasses carbohydrates that are larger than simple di- or tri-saccharides, but smaller than polysaccharides (greater than 10 units). Isomalto-oligosaccharides (IMO) are glucose oligomers with α-D-(1,6)-linkages, including isomaltose, panose, isomaltotriose, isomaltotetraose, isomaltopentaose, nigerose, kojibiose, and higher branched oligosaccharides. Depending on production method, the structure of the IMO molecules can vary significantly. While human intestinal enzymes readily digest α(1,4)-glycosidic bonds, longer change IMO (e.g. >= DP4) with α(1,6)-linkages are not easily hydrolyzed and exhibit a digestion-resistant property. Therefore, some IMO preparations are only partially digested in the upper gastrointestinal tract.
Isomalto-oligosaccharides are a normal part of the human diet and occur naturally in fermented foods, such as fermented sourdough breads and kimchi. The disaccharide isomaltose is also present in rice miso, soy sauce, and sake. Isomaltose, one of the α(1,6)-linked disaccharide components of IMO, has been identified as a natural constituent of honey and although chemically related, it is not an IMO . IMO is a sweet-tasting, high-density syrup which could be spray-dried into powder form.
SPECIFICATIONS
90% powder | 90% liquid | ||
Test Item | Standard | Test Item | Standard |
Appearance | White powder without peculiar smell, without the impurity that can be seen by eye | Appearance | White or light yellow liquid without peculiar smell, without the impurity |
Moisture, % | ≤5.0 | Solid substance, % | ≥75 |
Ash, % | ≤0.3 | Ash, % | ≤0.3 |
Ph | 4.0-6.0 | Ph | 4.0-6.0 |
Solubility, % | ≥99 | Light transmittance, % | ≥95 |
The total of Isomaltose. Panose, Isomaltotriose (dry substance), % | ≥45 | Total IMO content, % | ≥90 |
The total of Isomaltooligosaccharide, % | ≥90 | The total of Isomaltose. Panose, Isomaltotriose (dry substance), % | ≥45 |
Glucose, % | ≤1 | More than G4 (dry substance), % | -- |
Bacterium total, /g | ≤1000 | Glucose, % | ≤2 |
E.coli, /100g | ≤30 | Total plate count, cfu/g | ≤1000 |
Coliform, mpn/100g | Negative |
50% powder | 50% liquid | ||
Test Item | Standard | Test Item | Standard |
Appearance | White powder without peculiar smell, without the impurity that can be seen by eye | Appearance | Stickiness and transparent syrup |
Moisture, % | ≤5.0 | Solid substance, % | ≥75 |
Ash, % | ≤0.3 | Ash, % | ≤0.3 |
Ph | 4.0-6.0 | Ph | 4.0-6.0 |
Solubility, % | ≥99 | The total of Isomaltose. Panose, Isomaltotriose (count for dry substance) , % | ≥35 |
The total of Isomaltooligosaccharide, % | ≥51 | The total of Isomaltooligosaccharide, % | ≥51 |
Bacterium total, /g | ≤1000 | Bacterium total, /g | ≤1000 |
E.coll, /100g | ≤30 | E.coll, /100g | ≤30 |
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