Hawthorn extract

(1) strong heart effect: hawthorn has increased myocardial contractility, increase cardiac output, slow down the role of the heart rhythm.



(2) effects on coronary blood flow and myocardial oxygen consumption: hawthorn extract and its total flavonoids can increase coronary blood flow, reduce myocardial oxygen consumption and myocardial oxygen utilization rate.



(3) effect on myocardial nutrient blood flow: hawthorn has a certain effect on myocardial nutrient blood flow increase, hawthorn may be related to the expansion of coronary vascular bed, improve coronary circulation.



(4) protective effect on experimental myocardial ischemia: hawthorn has protective effect on acute myocardial ischemia caused by isoproterenol sulfate in guinea pigs. Hawthorn extract can prevent or reduce myocardial ischemia or necrosis caused by isoproterenol.



(5) antihypertensive effect: hawthorn ethanol extract has a longer lasting antihypertensive effect.



(6) effect of lowering blood lipid: different extracted parts of hawthorn have positive effect on lowering lipid of various high-fat models caused by different animals, which can antagonize the increase of serum cholesterol and triglyceride content caused by high-fat feed.