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Quality indicators hydroxypropyl-beta-cyclodextrin which

2020-01-18 16:59:02 Xinda Biotechinology Read

For hydroxypropyl times he cyclodextrin for use with many uses, of course, for the high quality of hydroxypropyl times he cyclodextrin is its effect would be better, for there is a certain quality indicators standard, then the specific hydroxypropyl times he cyclodextrin using what kind of quality indicator?
Hydroxypropyl-beta-cyclodextrin Appearance: white crystalline powder, hydroxypropyl-beta-cyclodextrin to ensure purity:> 98% is considered high-quality products, the degree of substitution: 4-9; Optical rotation: + 120 + 145; there is the guarantee of hydroxypropyl times he cyclodextrin is less than 3.0% moisture content the amount of heavy metals in the preceding paragraph must be less than 10ppm, arsenic is less than 5ppm, ash content is less than 0.1% unsubstituted BCD content to less than 0.2% , CFU / g to less than 100.

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