α,α-trehalose

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α,α-trehalose
α-D-Glucopyranoside, α-D-glucopyranosyl
TREHALOSE
D-(+)-Trehalose Anhydrous
alpha,alpha-trehalose

Appearance and properties: white to off-white crystalline powder
Density: 1.76 g/cm3
Boiling point: 675.4ºC at 760 mmHg
Melting point: 203 °C
Flash point: 362.3ºC
Refractive index: 197 ° (C=7, H2O)

Uses: Trehalose has the function of stabilizing biofilm (cell membrane) and protein structure and anti-drying, showing a broad prospect for its application. Trehalose is used in the protection of biological products. In addition, trehalose has the effect of inhibiting the decomposition of bone collagen, so it can be used to improve osteoporosis. Trehalose can also be used to preserve biological products for research, such as genetic engineering enzymes and other enzymes, cell membranes, antibodies, antigens, organelles, etc., food processing, fine chemicals, etc.

Items of Analysis Standard of Analysis Test Results
Appearance Whitish crystalline powder, odorless and no unusual taste Pass
Assay ≥98 % 99.4%
Loss on drying ≤1.5 % 0.1%
Total ash ≤0.05 % 0. 00%
pH 4.5-6.7 5.7
Color in solution ≤0.100 0.004
Turbidity ≤0.050 0. 000
Heavy metals (as Pb) ≤ 1 μg/g Pass
Lead ≤ 0.1 μg/g Pass
Arsenic (as As2O3) ≤ 0.5 μg/g Pass
Total aerobic microbial count ≤300CFU/g . 0CFU/g
Coliform organisms Negative Pass
Total combined yeasts and molds count ≤ 100CFU/g 0CFU/g
Foreign matter Not observed Pass
Conclusion Conforms to Factory Standard


α,α-trehalose


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