A method for improving the extraction rate and antibacterial activity of flavonoids from walnut green peel

Abstract

The invention discloses a method for improving the extraction rate and antibacterial activity of walnut green peel flavonoids, wherein the method comprises: cleaning the walnut green peel and drying until the water yield is lower than 10%; grinding the dried walnut green peel After controlling the walnut green peel powder to the predetermined mesh range, it is uniformly encapsulated; the packaged walnut green peel powder is irradiated and pretreated by setting different doses of electron beams; the pretreated walnut green peel powder is ultrasonically extracted according to predetermined conditions to obtain a walnut green peel solution; cooling, centrifuging, concentrating and drying the ultrasonically extracted walnut green peel solution to obtain flavonoid extracts in walnut green peel. The method solves the technical problems existing in the prior art that the extraction of the flavonoids in walnut green husk lacks a pretreatment technology with high strength and low production cost, resulting in low extraction rate and poor antibacterial activity of the extracted flavonoids.

Description

A kind of method for improving the extraction rate and antibacterial activity of walnut green peel flavonoids technical field The present invention relates to the technical field of flavonoid extraction, specifically, relate to a kind of flavonoid extraction rate that improves walnut green skin and pH method of bacterial activity. Background technique All along, walnut is considered to have extremely high nutritional value and good health care function, people begin to heat up The walnut market has developed rapidly, but the whole industry has been processing walnut kernels for a long time. Mainly, there are many by-products, but the resource utilization rate is low, especially in the harvest season, a large number of waste walnut green skins accumulated in the market are produced by Due to people's rough treatment methods, it has caused environmental pollution problems that cannot be ignored. Flavonoids are widely found in fruits and vegetables, Among plant raw m...

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Problems solved by technology

[0005] In view of the defects in the prior art, the purpose of the embodiment of the present application is to solve the lack of strength in the extraction of flavonoids in the walnut green peel in the prior art by providing a method for improving the extraction rate and antibacterial activity of flavonoids from the green walnut peel High and low production cost pretreatment technology leads to technical problems such as low extraction rate and poor antibacterial activity of extracted flavonoids

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