Longbract cattail general flavone extractive and its prepn and use

Abstract

The present invention relates to the active general flavone components extracted from longbract cattail as one kind of Chinese medicinal materials. The extractive includes mainly isorhamnetin, quercetin, kaempferol and their glycoside derivatives, and also includes the degraded products of the said components, their metal salt derivatives, metal complexes, etc. The extractive may be obtained via solvent extraction process and other process. The extractive has the functions of lowering blood fat, resisting atherosclerosis, raising the tolerance of cardiac and cerebral tissues to deficiency of oxygen and blood, resisting platelet aggregation, etc. and may be used in preventing and treating cardiac and cerebral vascular diseases, traumatic injury, haemorrhages and other diseases.

Description

technical field

[0001] The invention belongs to the technical field of medicines, and in particular relates to a total flavonoid extract of the traditional Chinese medicine Puhuang, its preparation process and its application in medicine and health food. Background technique

[0002] Cattail is a commonly used traditional Chinese medicine, derived from Typha angustifolia L., Typha angustifolia L., T. arientalis Presl., or the dried pollen of other plants belonging to the family Typhaceae. The theory of traditional Chinese medicine believes that Puhuang has the functions of stopping bleeding, removing blood stasis, and dredging stranguria. disease. Modern pharmacological studies have shown that water or alcohol extracts of Puhuang can significantly increase coronary flow, improve microcirculation, increase the tolerance of myocardium and brain to hypoxia, or reduce the oxygen consumption of heart and brain tissue, dilate blood vessels, lower blood lipids, Anti-atheroscleros...