Thursday, May 17, 2012

Identification of Thymopolypeptides Solution

Thymopolypeptides solution

The Thymosin solution, formerly known as: thymosin, thymosin, thymic factor D. Drug Department of the healthy pig or calf thymus extract, the molecular weight of less than 10,000 dalton polypeptide solution. Peptides containing 1ml of each shall not be less than 5mg.

Standard number:  WS1-of XG-042-2000-2003
Propertiee: drug is colorless or slightly yellow liquid.
Identification of Thymopolypeptides Solution:
 (1) to take drugs, plus 40% sodium hydroxide solution, 0.5ml, shake, plus 1% copper sulfate solution 1ml, solution purple.
(2) to take drugs, made ​​by adding water containing peptides 20μg per 1ml of the solution, according to spectrophotometry (two in Appendix IV of the 2000 edition of Chinese Pharmacopoeia) determination (251 ± 3) nm (porcine thymus) or (260 ± 3) nm (calf thymus) at a wavelength of maximum absorption.

Read More: Thymopolypeptides solution suppliers

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