Method for preparing rosavin from rose rhodiola rosea

Abstract

The invention discloses a method for preparing rosavin from rose rhodiola rosea. The method comprises the following steps: pretreating raw materials; extracting; filtering; passing macroporous resin primarily; concentrating; passing resin again; separating membrane; spraying and drying, and the like. Compared with other methods, two times of column chromatography methods and the membrane method are adopted, so that the method disclosed by the invention is more suitable for industrial production. The product obtained by the method is high in safety, purity, quality and yield.

Description

technical field [0001] The present invention relates to a health care product, a method for preparing rosacea from Rhodiola rosea in the field of medicine, and specifically relates to a method of crushing and extracting, enriching and purifying through macroporous resin, resin purification again, and membrane separation to obtain The method of Netservi products. Background technique [0002] Rhodiola rosea is a perennial herb with a height of 10-20 cm. The roots are thick, conical, fleshy, brownish yellow, with many fibrous roots at the root neck. Rhizome short, stout, terete, covered by numerous imbricate scale-like leaves. Several flower stems are extracted from the leaf axils at the top of the stem. The upper and lower parts of the flower stems have fleshy leaves, the leaves are elliptic, with serrated edges, sharp apex, cuneate base, almost sessile. Cymes terminal, flowers red. Rhodiola rosea is a well-known traditional medicinal plant in China and Eastern European...

AI Technical Summary

Problems solved by technology

However, Luosaiwei extracted from Rhodiola rosea by existing technology has the disadvantages of low purity and low yield, which leads to unstable health care functions and cannot meet market demand.