Preparation method and application of Pueraria lobata extract and/or pueraria flavones

Abstract

The invention belongs to the field of food or medicines, in particular relates to a preparation method and application of pueraria lobata extract and / or pueraria flavones. The preparation method of Pueraria lobata extract and / or pueraria flavones provided by the present invention can increase the precipitation rate of proteins and other colloidal components to 95% or more, not only improves the yield and curative effect of the Pueraria lobata extract, but also facilitates the use of macroporous resin in the next step for extraction of the Pueraria flavones, the service life of the macroporousresin can be extended to100 cycles or more, the recovery rate of the pueraria flavones can be as high as 95%, and the purity can be increased to 80%. The pueraria extract and / or pueraria flavones prepared by the method can be used as a substitute for Pueraria lobata, and is used for production and formulation of foods, health foods and pharmaceuticals related to anti-oxidation, blood vessel-dilation, hypoglycemic, lipid-lowering, antihypertensive, antibacterial alcohol-relieving and other related functions. The pueraria extract and the pueraria flavones have important economic value, and through the method, the BOD and COD of the pueraria lobata wastewater can be greatly reduced, and the method has important environmental significance.

Description

technical field

[0001] The invention belongs to the field of food or medicine, and in particular relates to a preparation method and application of kudzu root extract and / or kudzu root flavonoids. Background technique

[0002] Pueraria lobata, the dried root of the leguminous plant Pueraria lobata, sweet and pungent in taste, calm in nature, and returns to the spleen, stomach, lung and bladder meridians; it has the functions of relieving muscles and reducing fever, clearing rashes, promoting body fluid and quenching thirst, promoting yang and relieving diarrhea; commonly used Symptoms include fever, stiff neck and back pain, opaque measles, pyretic disease and thirst, yin deficiency and thirst, heat diarrhea and dysentery, spleen deficiency and diarrhea. In addition to Pueraria starch, Pueraria also contains a variety of active ingredients, such as Pueraria flavonoids, whose representative components are Puerarin, etc. Pueraria has a wide range of pharmacological effects, su...