The manufacturer of D-mannose powder tells you that it is a monosaccharide. The molecular formula is C5H11O5CHO. It is a component of a variety of polysaccharides. Exist in a free state in some plant peels, such as citrus peels, a small amount of free mannose in fruits such as peaches and apples, and a small amount of free mannose in ivory palm seeds, yeast, red algae, serum globulin, ovomucoid and Mycobacterium tuberculosis Glycan containing D-mannose.

The manufacturer of D-mannose powder tells you that it is mannose as white crystals or crystalline powder, with a sweet and bitter taste. +29.3°(water); the melting point of β-type is 132°C (decomposition), -17°→+14.6°(water). It is soluble in water and slightly soluble in ethanol. D-Mannose and calcium chloride easily form a crystalline compound C6H12O6·CaCl2·4H2O, and show complex mutarotation. D-Mannose can be fermented by yeast.
The manufacturer of D-mannose powder tells you that it is D-mannose that can be prepared by hydrolysis of D-mannose-rich polysaccharides (ivory palm seeds, yeast mannans, etc.). It can also be synthesized from D-mannitol (a by-product of the kelp iodine industry) in the presence of ferrous ions with hydrogen peroxide. It can also be prepared by D-glucose epimerization, or the carbon chain growth of D-arabinose.
The manufacturer of D-mannose powder tells you that it is mannose, which is a kind of monosaccharide. It is mainly found in the peels of certain plants. For example, some peaches, apples or some oranges may be rich in mannose. The manufacturer of D-mannose powder tells you that it is a white powdery crystal after the mannose is extracted. It is difficult to be absorbed by the human body. After being ingested into the human body, it will be excreted from the body soon, mainly through the kidney metabolism. , The overall metabolic cycle is about eight hours. Intake of mannose does not cause blood sugar to rise, so it is a sugar that can be eaten for some diabetic patients.