D-trehalose

English name: D-(+)-Trehalose dihydrate; α, α-Trehalose; Natural trehalose; α-D-Glucopyranosyl-α-D-glucopyranoside
Other names: Fructose; D-mycose; D (+)-trehalose dihydrate; α-D-glucopyranosyl-α-D-glucopyranoside
CAS number: 6138-23-4
C12H22O11 • 2H2O = 378.33

Level: BR
Content: ≥98..0%
PH (30% Solution): 4.5 ～ 6.5

Loss on drying: ≤1.5%
Residue on ignition: ≤0.05%
Heavy metals: ≤5ppm

Lead (as Pb): ≤0.5ppm

Arsenic (as As): ≤1ppm
Properties: White powdery crystal, commonly known as trehalose (D-trehalose), with sweet taste. Melting point 96.5 ~ 97.5 ℃. Optical rotation + 178 °. It can dissolve in water and hot alcohol, insoluble in ether, can not be reduced by Feiling solution, and lose crystal water at 130 ℃. Trehalose is a non-reducing sugar composed of special disaccharide molecules. It has very stable characteristics. It can form a special protective film on the cell surface under harsh conditions such as high temperature, high cold, dryness and water loss, and effectively protect the biomolecule structure from Destruction, thereby maintaining the life processes and biological characteristics of living organisms Uses: biochemical research. Trehalose has the functions of stabilizing biofilm (cell membrane) and protein structure and anti-drying, such as genetic engineering enzymes and other enzymes, cell membranes, antibodies, antigens, organelles, etc., food processing, fine chemicals, etc., can also be applied to biological Product protection.
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