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Products |
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| Daidzein |
| [Chemical Name]: 4',7-dihydroxy isoflavone |
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| [Formula:]: |
C15H10O4 |
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| [Structure]: |
 |
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| [Characteristic]: |
A almost white,crystalline powder;tasteless and odourless.Very slightly soluble in hot alcohol,almost insoluble in water and chlorform. |
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| [Specification]: |
| Appearance: |
A almost white,crystalline powder |
| Identification: |
1.positive
2.The infra-red absorption spectrum is accordant with that of the Daidzein standard.
3.In the assay,the retention time of the the principal spot in the HPLC chromatogram obtained from the specimen is accordant with that of Daidzein standard. |
| Related Substances: |
Peak area of 7-methoxy-4'hydroxy isoflavone:
Not more than 1.5%
Peak area of other impurities:Not more than 0.5%
Peak area of all impurities:Not more than 2.0% |
| Loss on drying: |
Not more than 1.0% |
| Residue on ignition: |
Not more than 0.1% |
| Heavy metals: |
Not more than 20ppm |
| Assay: |
98.0%-102.0% |
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| [Utility:]: |
For treatment of cardio-cerebral angionosis.It could be used to treat hypertention,symptomatic hypertention,coronary heart disease,angina cordis,cardiac infarction,cerebral thrombosis,arrhythmia,vertigo,sudden deafness.It could also be used to cure women menopausal syndrome,and etc. |
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| [Packing]: |
25KG/fiber carton(drum)
Packing as the need of customer |
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