Method of comprehensive utilization of waste liquor produced in the refining process of puerarin

• Main Authors: NAN HUAILIAN, HU ZILANG
• Format: Patent
• Language: Chinese; English
• Published: 10.11.2010
• Subjects: FODDER; FOODS OR FOODSTUFFS; HUMAN NECESSITIES; THEIR TREATMENT, NOT COVERED BY OTHER CLASSES

A method for comprehensive utilization of waste liquid produced in the refining process of puerarin relates to the comprehensive utilization of waste liquid extracted from Chinese traditional medicine; the method in specific advances a method with which people can utilize the waste liquid produced in the refining process of puerarin and extract the component with biological activity and medical value without discharge of waste liquid. With the method of the present invention, people concentrate and dry the waste liquid produced in the refining process of puerarin and then grind the concentrate to put into a percolation barrel; toluene or solvent petrol is used for percolation and the solid material after percolation is fetched with alcohol and the extract liquid is concentrated for crystallization; daizeol is obtained after the crystallization is filtrated and dried; the concentrated percolation liquid and daizeol mother solution are dried to get the feed additive. With the method, the waste liquid produced i