Hermetica Superfood Encyclopedia
Legacy index-continuity record: the score and narrative are provisional and must not be represented as validated or human-approved.
Review flags: AWAITING_SEMANTIC_VALIDATION
Hawthorn extract standardized to 2% flavonoids contains oligomeric procyanidins and vitexin that enhance cardiac contractility and vasodilation. These bioactive compounds improve coronary blood flow and strengthen heart muscle function through positive inotropic effects.
Reported Benefits (Provisional)
Origin & History
Hawthorn is a shrub native to Europe, North America, and Asia, traditionally used in herbal medicine. The extract is standardized to 2% flavonoids, known for their health benefits.
Research Narrative (Provisional)
Research supports hawthorn extract's benefits for heart health, particularly in improving circulation and reducing blood pressure. Additional studies are needed to confirm these effects.
Preparation & Dosage
Dosage guidance is withheld because the publication gate has not recorded adequate support for this profile.
Nutritional Profile
- High in flavonoids, a type of antioxidant. - Contains vitamin C and dietary fiber. - Low in calories and free from fat.
Reported Mechanism (Provisional)
Hawthorn flavonoids including vitexin, quercetin, and oligomeric procyanidins inhibit phosphodiesterase enzymes, increasing cyclic AMP levels in cardiac muscle. This enhances calcium availability for myocardial contraction while simultaneously activating nitric oxide synthase for improved endothelial function. The flavonoids also inhibit angiotensin-converting enzyme (ACE), contributing to vasodilation and reduced peripheral resistance.
Clinical Narrative (Provisional)
Multiple randomized controlled trials involving over 2,600 participants with mild to moderate heart failure show hawthorn extract (standardized to 2% flavonoids) significantly improves exercise tolerance and reduces symptoms. A large 2008 study of 2,681 patients found 450mg twice daily improved New York Heart Association functional class scores by 0.4 points compared to placebo. Meta-analyses demonstrate consistent improvements in left ventricular ejection fraction of 3-5% and increased maximum workload during exercise testing. However, most studies are of moderate quality with 8-16 week durations.
Also Known As
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