TYLOSIN

tylosin
Standard of inspection items [Chinese Veterinary Pharmacopoeia (2015 edition)]
Description This product is a white to light yellow powder. This product is easily soluble in methanol, dissolved in ethanol, acetone or chloroform, slightly soluble in water, almost insoluble in hexane.
For identification, take about 3mg of this product and put it into a test tube, add 2ml acetone and 1ml hydrochloric acid after dissolution, and observe that the color of the solution should change from light red to dark purple.
In the chromatogram recorded under the component of tylostatin, the retention time of the peak of tylostatin A of the test solution should be
The retention time of the peak of tyloxin A in standard solution was consistent.
Dry weight loss ≤4.0%
Alkalinity pH 8.5 ~ 10.5
Incense burning residue ≤2.5%
Heavy metal 20 PPM or less
Tyramine was determined at the wavelength of 570nm, and the absorbance of the test solution should not be greater than that of the control solution.
The sum of Tylobacterin A, B, C, D ≥95%
Content ≥900 tyloxin units (dry)