α,α-trehalose

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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

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