Name: China Chemical Manufacturer Supply High Quality D-Psicose CAS 551-68-8 with good service
Brand: Wuhan Fortuna Chemical Co., Ltd.

Specifications of D-Psicose CAS 551-68-8

Items	Specifications	Results
Appearance	White crystalline powder	Conforms
Assay	≥99.0%	99.21%

Parameters of D-Psicose CAS 551-68-8

Product parameters
Cas number:	551-68-8
Appearance:	White crystalline powder
Purity:	99%min
Package details:	25kg/drum
Brand:	Fortunachem

D-Psicose (also known as D-allulose) is a rare, naturally occurring monosaccharide sugar. It is a C-3 epimer of D-fructose, meaning it has an identical chemical formula to fructose but a different arrangement around one carbon atom, giving it unique properties.

Key Properties

Sweetness: About 70% as sweet as sucrose (table sugar).
Caloric Content: Extremely low (estimated at ~0.2-0.4 kcal/g versus 4 kcal/g for sucrose). It is metabolized differently and provides minimal usable energy.
Glycemic Impact: It does not raise blood glucose or insulin levels, making it a true non-glycemic sweetener.

Primary Uses and Applications

Its unique metabolic profile drives its major applications in food, health, and wellness:

Low-Calorie Bulk Sweetener: Used to replace sugar in a wide variety of products, providing bulk, texture, and caramelization properties similar to sugar, with minimal calories.

Food Products: Sugar-free or "keto-friendly" baked goods, chocolates, ice cream, beverages (soft drinks, juices), jellies, and dairy products.

Blood Sugar Management: As a non-glycemic sweetener, it is valuable for diabetic-friendly foods and for individuals following low-carb or ketogenic diets.
Flavor Enhancer & Masker: It can improve the overall taste profile of products containing high-intensity sweeteners (like stevia or sucralose) by masking metallic or bitter aftertastes and providing a more natural "sugary" mouthfeel.
Functional Food Ingredient: Research suggests it may have additional beneficial physiological effects, such as:

Anti-hyperglycemic: Helping to attenuate post-meal blood glucose spikes.
Potential Prebiotic: Influencing gut microbiota composition.
Antioxidant & Anti-inflammatory properties in some studies.

Safety and Regulatory Status

D-psicose is Generally Recognized As Safe (GRAS) by the U.S. FDA and approved for use in many countries (Japan, South Korea, EU, etc.).
While safe, high doses (typically >30-40g in a single sitting) can cause gastrointestinal discomfort (bloating, gas, diarrhea) due to incomplete absorption in the small intestine—a property common to many low-digestibility carbohydrates.

How It's Made

While it exists in tiny amounts in foods like figs, raisins, and molasses, commercial D-psicose is produced industrially via enzymatic conversion from the abundant, cheap sugar D-fructose (often derived from corn), using an enzyme called D-tagatose 3-epimerase.

In summary, D-psicose (allulose) is a cutting-edge, natural, low-calorie sugar that delivers the sensory pleasures of sugar with negligible metabolic impact, making it a pivotal ingredient in the development of healthier sugar-reduced and functional foods and beverages.