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D-Psicose
D-Psicose is a rare sugar that is the C-3 epimer of D-fructose and exists in nature but in very low quantities. It is a white crystalline powder or transparent, colorless liquid, with a sweetness level about 70% that of sucrose. It has extremely low caloric content (only 0.2 kcal per gram) and is hardly metabolized by the human body.
Description
Function
- Low Caloric Content:
- D-Psicose contains only 0.2 kcal per gram, making it an ideal sweetener for individuals who need to control their calorie intake.
- Blood Sugar and Lipid Regulation:
- It can improve glucose tolerance and reduce blood lipid levels, offering potential benefits for people with diabetes and hyperlipidemia.
- Neuroprotective Effects:
- D-Psicose can increase intracellular glutathione levels and inhibit apoptosis induced by neurotoxins, providing neuroprotective benefits.
- Anti-obesity Properties:
- By regulating lipid metabolism, D-Psicose helps reduce fat accumulation in the body, making it a potential anti-obesity agent.
- Antioxidant Effects:
- It can scavenge free radicals, providing antioxidant protection for cells against oxidative damage.
- Good Processing Characteristics:
- D-Psicose is stable under high temperatures and acidic conditions and can undergo Maillard reactions with proteins to produce pleasant flavors.
Application
- Food Industry:
- As a low-calorie sweetener, D-Psicose can be used in beverages, baked goods, and confectionery to provide sweetness while reducing calorie intake.
- It can be incorporated into functional foods, such as red date juice, to develop health-promoting beverages.
- Medical Field:
- Given its blood sugar and lipid-lowering effects, D-Psicose can be used to develop therapeutic products for obesity, diabetes, and other metabolic disorders.
- Other Applications:
- D-Psicose can be used to manufacture waterproof and light-transmitting films or as a precursor for synthesizing other rare sugars like D-allose and D-tagatose.
