Method for extracting and separating volatile oil, flavone and polysaccharide of abelmoschus manihot flowers

Abstract

The invention discloses a method for extracting and separating volatile oil, flavone and polysaccharide of abelmoschus manihot flowers. The method comprises the following steps: (1) smashing the abelmoschus manihot flowers dried in the shade into 10-80 mesh powder, adding an organic solvent into the powder, and carrying out reflux extraction, thus obtaining an extracting solution and drug dregs; (2) preparing volatile oil, namely, carrying out water distillation on the extracting solution to prepare the volatile oil of the abelmoschus manihot flowers; (3) carrying out extraction on the drug dregs by adopting warm water, and adding ethanol into the liquid obtained after extraction for separation, thus obtaining a supernate and a precipitate; (4) preparing general flavone, namely, concentrating and drying the supernate to obtain the general flavone; and (5) preparing total polysaccharide, namely, drying the precipitate, thus obtaining the total polysaccharide. According to the method for extracting and separating the volatile oil, the flavone and the polysaccharide of abelmoschus manihot flowers, the three-component extraction separation method is adopted, and the three active materials, including the volatile oil, the flavone and the polysaccharide of the abelmoschus manihot flowers are extracted and separated, the active materials of the abelmoschus manihot flower medicinal material are sufficiently utilized, and a foundation is laid for the comprehensive development and application of the abelmoschus manihot flower medicinal material.

Description

Technical field [0001] The invention relates to the technical field of extraction of Chinese medicinal materials, in particular to a method for extracting and separating the volatile oil, flavonoids and polysaccharides of hollyhock flower by three-section method. Background technique [0002] The hollyhock flower is the dry corolla of Abelmoschusmanihot (L.) Medic. The 2015 edition of the "Chinese Pharmacopoeia" has the effects of clearing damp-heat, reducing swelling and detoxification. It is used to suppress damp-heat, drenching turbidity and edema; externally treat carbuncle swelling poison, water and fire burns, etc. The hollyhock flower mainly contains active substances such as flavonoids, polysaccharides and volatile oils. The 2015 edition of "Chinese Pharmacopoeia" uses hyperoside as a reference substance for flavonoid content detection. In recent years, the polysaccharides and volatile oil of Abelmoschus manihot have also been deeply studied and widely used. [0003] At ...

AI Technical Summary

Problems solved by technology

[0003] At present, after certain substances are extracted from traditional Chinese medicinal materials, a large amount of other active substances are discarded with the medicinal residues, which cannot make full use of the medicinal materials.

Images