Bitter buckwheat bran total flavonoid preparing method

Abstract

The invention relates to a bitter buckwheat bran total flavonoid preparing method. The bitter buckwheat bran total flavonoid preparing method includes the following steps of smashing of bitter buckwheat bran, screening of the bitter buckwheat bran with a 40-mesh screen, supercritical CO2 extraction, large-pore resin absorption column purification, ethanol elution, eluant collection, concentration and drying. The bitter buckwheat bran total flavonoid preparing method has the advantages of preparing bitter buckwheat bran total flavonoids rapidly and efficiently, using a few solvents, being high in product purity, having good reproducibility and the like, and resin can be recycled.

Description

technical field [0001] The invention relates to a preparation method of total flavonoids from tartary buckwheat bran, which belongs to the field of natural plant effective component extraction. Background technique [0002] Tartary buckwheat is a homologous food for medicine and food. Both traditional medicine and modern medicine have confirmed that tartary buckwheat has the functions of lowering blood sugar, blood fat, urine sugar, and preventing constipation. Healthy Food". Tartary buckwheat is not only nutritious, but also contains a large amount of flavonoids, the main component of which is rutin, which accounts for 70-90% of the total flavonoids. Bioflavonoids are the main bioactive components of tartary buckwheat, and the various pharmacological effects of tartary buckwheat are inseparable from its rich bioflavonoids. [0003] Natural plant flavonoids have various functions such as anti-inflammatory, detumescence, lowering blood pressure, lowering blood fat, loweri...

AI Technical Summary

Problems solved by technology

At present, most studies on the extraction of flavonoids in tartary buckwheat use tartary buckwheat grains and tartary buckwheat husks as raw materials, and there are few studies on the extraction methods of flavonoids in tartary buckwheat bran, mainly microwave extraction.