Research Article
Preparation, Characterization, and Determination of Immunological Activities of Transfer Factor Specific to Human Sperm Antigen
Table 2
Physicochemical properties of HSA-STF.
| Tests | HSA-STF |
| Color | Helveolous | Protein qualitative test | Negative | Sterile test | Negative | Safety test | Negative* | Pyrogen test | Negative* | pH | 7.0 ± 0.4 | / | 1.96 ± 0.23 | Maximum absorbance | 258 ± 6 | Concentration of polypeptide (mg/mL) | 2.34 ± 0.31 | Concentration of ribose (mg/mL) | 0.717 ± 0.043 |
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It qualifies as per Chinese Pharmacopoeia.
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