Benzo (alpha) pyrene removal method from red clover extract using ultramicro communication technique
Patent Information
- Authority / Receiving Office
- CN · China
- Current Assignee / Owner
- 湖南春光九汇现代中药有限公司
- Publication Date
- 2009-06-17
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Abstract
Description
technical field
[0001] The invention belongs to the technical field of extraction and application of traditional Chinese medicines, and in particular relates to a method for removing benzo[a]pyrene from red clover extract by applying ultrafine pulverization technology. Background technique
[0002] Benzo[a]pyrene, also known as 3,4-benzopyrene. It is a polycyclic aromatic hydrocarbon composed of 5 benzene rings with the molecular formula C 20 h 12 , with a molecular weight of 252. The structural formula is shown in the figure below.
[0003] Benzo[a]pyrene is a light yellow needle crystal at room temperature, which can be divided into monoclinic crystal or orthorhombic crystal. It is stable in nature, with a boiling point of 310-320°C (10mm Hg), a melting point of 179-180°C, and a solubility in water of 0.004~0.012mg / L, easily soluble in cyclohexane, hexane, benzene, toluene, xylene, acetone and other organic solvents, slightly soluble in ethanol and methanol. When benz...