Hermetica Superfood Encyclopedia
The Short Answer
Corynoxine is an oxindole alkaloid derived from Uncaria rhynchophylla that may interact with opioid receptors. No human clinical trials have established proven health benefits for corynoxine supplementation.
CategoryNamed Bioactive Compounds
GroupCompound
Evidence LevelModerate
Primary Keywordcorynoxine benefits
Synergy Pairings3
Corynoxine (Alkaloid) — botanical close-up
Health Benefits
Origin & History
Natural habitat
Corynoxine is an indole alkaloid isolated primarily from the leaves of Uncaria rhynchophylla (Gou-teng), a plant used in traditional Chinese medicine, though it has also been identified in kratom (Mitragyna speciosa) extracts. It belongs to the class of monoterpenoid indole alkaloids, specifically oxindole derivatives. Extraction typically involves acidified water or organic solvents like methanol, followed by purification via chromatography.
“While corynoxine's source plant Uncaria rhynchophylla is known in traditional Chinese medicine, no specific historical or traditional medicine context for corynoxine itself is documented in the available research. The compound has been identified in both Uncaria and kratom plants but lacks documented traditional use data.”Traditional Medicine
Scientific Research
No human clinical trials, randomized controlled trials, or meta-analyses specifically on corynoxine were identified in the available research. The research focuses primarily on extraction methods and preclinical analysis of kratom alkaloids, with no PubMed PMIDs provided for corynoxine clinical data.
Preparation & Dosage
Traditional preparation
No clinically studied dosage ranges, forms, or standardization details for corynoxine are available as no clinical studies have been conducted. Consult a healthcare provider before starting any new supplement.
Nutritional Profile
Corynoxine is a pure isolated alkaloid compound (tetracyclic oxindole alkaloid), not a food or nutritional substance - macronutrient and micronutrient classifications do not apply. Molecular formula: C22H26N2O3, molecular weight approximately 366.45 g/mol. As a bioactive compound, it is present in Uncaria rhynchophylla (Gou Teng/Cat's Claw hook) plant material at trace alkaloid concentrations typically ranging 0.001–0.1% of dry plant weight, alongside related oxindole alkaloids including corynoxine B, rhynchophylline, and isorhynchophylline. Bioactive compound classification: tetracyclic oxindole alkaloid with an indole core structure and a lactone-containing side chain. Limited pharmacokinetic/bioavailability data exists for corynoxine specifically; related oxindole alkaloids from Uncaria species show moderate oral bioavailability in rodent studies with hepatic first-pass metabolism. No caloric value, protein, fat, carbohydrate, fiber, vitamin, or mineral content is attributable to this isolated compound. Research interest centers on its reported autophagy-inducing properties in cellular models (specifically mitophagy via the Beclin-1 pathway at micromolar concentrations in vitro) and preliminary neuroprotective activity in Parkinson's disease cell models, though no human bioavailability or dosing data has been established.
How It Works
Mechanism of Action
Corynoxine demonstrates potential activity at opioid receptors, though specific binding affinities remain poorly characterized. Limited mechanistic studies suggest this oxindole alkaloid may modulate neurotransmitter pathways similar to other Uncaria alkaloids. The compound's molecular interactions with dopaminergic and cholinergic systems require further investigation.
Clinical Evidence
No human clinical trials have been conducted specifically examining corynoxine's health effects. Available research consists primarily of in vitro mechanistic studies and traditional use documentation. The alkaloid has been identified in Uncaria rhynchophylla extracts used in some traditional medicine studies, but corynoxine's individual contributions remain unquantified. Current evidence is insufficient to support specific therapeutic claims.
Safety & Interactions
Safety data for isolated corynoxine is extremely limited with no established dosage guidelines or toxicity profiles. Potential interactions with opioid medications or central nervous system drugs remain unknown due to lack of pharmacokinetic studies. Pregnancy and breastfeeding safety has not been evaluated. Individuals taking prescription medications should consult healthcare providers before using corynoxine-containing supplements.
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Frequently Asked Questions
What is corynoxine found in naturally?
Corynoxine is naturally found in Uncaria rhynchophylla, a traditional Chinese medicinal plant also known as Gou Teng. This oxindole alkaloid is one of several bioactive compounds present in the plant's hooks and stems.
Does corynoxine have opioid effects?
Limited research suggests corynoxine may interact with opioid receptors, but specific binding affinities and clinical effects remain uncharacterized. No human studies have confirmed opioid-like effects or therapeutic benefits.
Is corynoxine the same as rhynchophylline?
No, corynoxine and rhynchophylline are distinct alkaloids both found in Uncaria rhynchophylla. While both are oxindole alkaloids with potential bioactivity, they have different molecular structures and may have varying pharmacological properties.
What dosage of corynoxine is safe?
No safe dosage range has been established for corynoxine due to lack of human clinical trials and safety studies. Without toxicity data or pharmacokinetic research, appropriate dosing guidelines cannot be determined.
Can corynoxine help with neurological conditions?
Currently, no clinical evidence supports corynoxine's use for neurological conditions. While the source plant Uncaria rhynchophylla has traditional neurological applications, corynoxine's individual therapeutic effects remain unproven in human studies.
Does corynoxine have any known side effects or adverse effects?
Limited human safety data exists for corynoxine, as it has not undergone rigorous clinical testing in humans. Based on its structural similarity to other alkaloids with opioid activity, potential side effects could theoretically include dizziness, nausea, or constipation, though these have not been formally documented in controlled studies. Anyone considering corynoxine supplementation should consult a healthcare provider due to the lack of established safety profiles.
How does corynoxine differ from other Uncaria alkaloids like rhynchophylline and isorhynchophylline?
While corynoxine, rhynchophylline, and isorhynchophylline are all alkaloids found in Uncaria plants, they have distinct chemical structures and may exhibit different biological activities. Corynoxine appears to have unique opioid receptor binding characteristics compared to its related alkaloid cousins, though direct comparative research in humans is lacking. The specific ratio and concentration of these alkaloids varies depending on the plant source and extraction method.
Is there any clinical evidence that corynoxine is effective for treating specific health conditions?
No human clinical trials have definitively demonstrated efficacy of corynoxine for any specific health condition. While the source plant (Uncaria rhynchophylla) has been used in traditional Chinese medicine, the isolated alkaloid corynoxine itself lacks published clinical evidence supporting particular therapeutic claims. Current research remains largely preclinical and mechanistic in nature, focusing on laboratory and animal studies rather than human applications.
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