D-trehalose / rhamnose /d-mushroom /d (+) - trehalose dihydrate
Item No.： C0048
Store at： RT
English name：D-(+)-Trehalose dihydrate；α,α-Trehalose；Natural trehalose ；α-D-Glucopyranosyl-α-D-glucopyranoside
Other names: rhamnose; D-mushroom sugar; D (+) - trehalose dihydrate; α- D-glucopyranosyl- α- D-glucopyranoside; Glucosylpyran glucosylpyran
CAS No.: 6138-23-4
C12H22O11?2H2O=378.33
Grade: br
Content: ≥ 98 0%
PH(30% Solution)：4.5～6.7
Loss on drying: ≤ 1.5%
Burning residue: ≤ 0.05%
Heavy metals: ≤ 5ppm
Lead (calculated by Pb): ≤ 0.5ppm
Arsenic (as): ≤ 1ppm
Physicochemical properties: white powdery crystal, commonly known as d-trehalose, sweet. The melting point is 96.5 ~ 97.5 ℃. Optical rotation +178 °. It is soluble in water and hot alcohol, insoluble in ether, cannot be reduced by Fehling solution, and loses crystal water at 130 ℃. Trehalose is a non reducing sugar composed of special disaccharide molecules. Its characteristics are very stable. It can form a special protective film on the cell surface under harsh conditions such as high temperature, high cold, drying and water loss, and effectively protect the biological molecular structure from being destroyed, so as to maintain the life process and biological characteristics of life bodies
Purpose: biochemical research. Trehalose can stabilize the structure of biofilm (cell membrane) and protein and resist drying, such as enzymes of genetic engineering and other enzymes, cell membranes, antibodies, antigens, organelles, food processing, fine chemicals, etc., and can also be used in the protection of biological products.
Save: RT
