Diosgenin, also known as diosgenin, saponin III, and saponin III, has anti-tumor, antithrombotic, anti-allergic, anti-viral and anti-shock effects. It has anti-inflammatory, anti-tumor, anti-virus, cholesterol lowering, lower blood pressure, molluscicide, anti-fertility and other effects. Can be used for the treatment of bronchitis. It has the action of fungi such as insecticides and anti-hairy bacteria. The peroxidase-degrading enzyme contained therein has an obvious anti-aging effect. Long-wearing can scar the face and make the skin soft and smooth. It can be used as a raw material for synthesizing steroid hormones and birth control pills.
Extraction and separation experiment guidance and precautions
1. The raw material should be washed thoroughly after acid hydrolysis to avoid neutralization during drying.
2. In the process of drying the hydrolyzed raw materials, attention should be paid to the crushing of the agglomerates and turning over to facilitate quick drying.
3. In the continuous reflux extraction process, because the petroleum ether used is extremely volatile, the temperature of the water bath should not be too high, so that the petroleum ether can be slightly boiled. In addition, the flow rate of the condensed water can be accelerated to increase the condensation effect.
4. The distillation operation of recovering petroleum ether does not need to change the distillation unit. Only remove the filter paper tube in the Soxhlet extractor, and then install it as it is, continue to heat the solvent in the recovery flask, and increase the solvent level to the top of the high siphon tube. At 1cm, the recovery is suspended, the extractor is removed, and the petroleum ether is transferred to another container. The operation of recovering petroleum ether can be completed by repeated operations. Shanghai Chuangsai provides diosgenin, 19057-60-4, HPLC≥ 98%, product code: C78-A0125-20mg, 224 yuan
5. In the continuous extraction process, if you want to check whether the active ingredient is completely extracted, you can take a few drops of the extract in the extractor, drop it in a white porcelain dish, disperse the solvent, observe the presence or absence of residue, and then carry out the acetic anhydride-concentrated sulfuric acid reaction. If the reaction is negative, the indication has been exhausted.
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