Rutaecarpine (Indolopyridoquinazoline Alkaloid)

Rutaecarpine is an indolopyridoquinazoline alkaloid extracted from Tetradium ruticarpum (formerly Evodia rutaecarpa) that demonstrates antithrombotic and neuroprotective properties. This compound works through multiple mechanisms including mitochondrial protection and antiplatelet activity that exceeds aspirin potency on a molar basis.

Origin & History

Rutaecarpine is an indolopyridoquinazolinone alkaloid isolated from Evodia rutaecarpa (Wu Zhu Yu), a medicinal herb in the Rutaceae family. The compound is extracted from the plant material through standard phytochemical isolation procedures and belongs to the class of nitrogen-containing organic compounds with diverse pharmacological properties.

Historical & Cultural Context

Evodia rutaecarpa (Wu Zhu Yu) has been used in Traditional Chinese Medicine for centuries to treat headache, abdominal pain, postpartum hemorrhage, dysentery, and amenorrhea. The herb remains clinically used in China and is classified as a versatile medicinal plant within the Rutaceae family.

Health Benefits

• May support cognitive function by protecting against mitochondrial dysfunction (preliminary animal evidence, PMID: 37468737)
• Demonstrates antithrombotic effects approximately twofold more potent than aspirin on a molar basis (preliminary animal evidence, PMID: 10930986)
• Shows potential for inflammatory bowel disease management through Nrf2 pathway activation (preliminary animal evidence, PMID: 31874248)
• Protects endothelial cells from oxidative stress-induced damage (preliminary cell culture evidence, PMID: 40427497)
• May influence drug metabolism by inducing metabolic enzymes (preliminary evidence, PMID: 21468923)

How It Works

Rutaecarpine protects mitochondrial function by preventing dysfunction in neuronal cells, supporting cognitive health through enhanced cellular energy production. The compound exhibits antithrombotic activity through antiplatelet mechanisms that are approximately twofold more potent than aspirin on a molar basis. Its indolopyridoquinazoline structure allows interaction with multiple cellular pathways involved in thrombosis and neuronal protection.

Scientific Research

Currently, no human clinical trials, randomized controlled trials, or meta-analyses exist for rutaecarpine. All available evidence comes from preclinical studies using animal models (mice and rats) and cell culture systems, with researchers noting that rutaecarpine's potential 'must be assessed further for toxicity' (PMID: 10930986).

Clinical Summary

Current evidence for rutaecarpine comes primarily from preliminary animal studies with limited human clinical data available. Animal research demonstrates significant antithrombotic effects with potency exceeding aspirin by twofold on a molar basis (PMID: 10930986). Neuroprotective studies in animal models show mitochondrial protection benefits for cognitive function (PMID: 37468737). Human clinical trials with specific dosing protocols and safety profiles are needed to establish therapeutic applications.

Nutritional Profile

Rutaecarpine is a pure alkaloid compound (not a food or nutritional ingredient), therefore it has no macronutrient, micronutrient, fiber, or protein content in the conventional nutritional sense. It is an indolopyridoquinazoline alkaloid with molecular formula C18H13N3O and molecular weight of 287.32 g/mol. It is the primary bioactive constituent isolated from Evodia rutaecarpa (Wu Zhu Yu) fruit, typically present in the dried fruit at concentrations ranging from approximately 0.01–0.1% by dry weight depending on species and extraction method. As a pure compound, it is used in research and supplement contexts at doses of 1–30 mg/kg in animal studies. Bioavailability: rutaecarpine demonstrates poor oral bioavailability (~10–20% estimated in rodent models) due to extensive first-pass hepatic metabolism; it is rapidly metabolized by CYP1A2, CYP3A4, and CYP1A1 enzymes into hydroxylated metabolites (e.g., 3-hydroxyrutaecarpine, 10-hydroxyrutaecarpine), some of which retain partial biological activity. It is lipophilic (LogP approximately 2.8), with limited water solubility (~0.05 mg/mL), which constrains absorption. No vitamins, minerals, fiber, or caloric value are associated with this compound.

Preparation & Dosage

No clinically studied human dosage ranges are available. Animal studies used doses of 200 microg/g intravenously and 25-50 microg/g for various models, but these cannot be extrapolated to human use. Consult a healthcare provider before starting any new supplement.

Synergy & Pairings

Nrf2 activators, AMPK activators, mitochondrial support compounds, anti-inflammatory herbs, traditional Chinese medicine formulas

Safety & Interactions

Safety data for rutaecarpine in humans is limited due to lack of comprehensive clinical studies. Given its potent antithrombotic effects exceeding aspirin, potential interactions with anticoagulant medications like warfarin or antiplatelet drugs could increase bleeding risk. Pregnancy and lactation safety has not been established through human studies. Individuals with bleeding disorders or scheduled for surgery should exercise caution due to the compound's antiplatelet activity.