| Customization: | Available |
|---|---|
| Type: | Stachyose |
| Molecular Formula: | C24h42o21 |
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Stachyose is the glucosyl side of sucrose that binds two sugars with a 1,6-glycosidic bond α- The sugar formed from galactose has the molecular formula C24H42O21. The pure product is a white powder, slightly sweet, with a sweetness of 22% of sucrose. It has a refreshing taste and no peculiar smell. Soluble in water, insoluble in organic solvents such as ether and ethanol.
Stachyose has good thermal stability and does not decompose at a high temperature of 100 ºC, but its thermal stability decreases under acid conditions, so it can be used in foods requiring hot pressing treatment. Storage stability in acidic environments is related to temperature, and is quite stable below 20 ºC. The moisture retention and hygroscopicity are both lower than sucrose but higher than high fructose syrup, and the osmotic pressure is close to sucrose. At temperatures above 80 ºC, stachyose has a coloring property and can be added to baked foods to give them an attractive burnt yellow color.
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