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
Madagascar periwinkle (Catharanthus roseus) contains over 130 alkaloids including vincristine and vinblastine, which interact with cellular microtubules and glucose metabolism pathways. The plant demonstrates immunomodulatory effects and glucose-lowering properties through alkaloid-mediated mechanisms.
Reported Benefits (Provisional)
Origin & History
Catharanthus roseus, commonly known as Madagascar Periwinkle, is a flowering plant native to Madagascar. It is cultivated worldwide in tropical and subtropical regions. The plant is known for its alkaloids, which are extracted for pharmaceutical use, particularly in cancer treatment.
Research Narrative (Provisional)
Numerous scientific studies, including randomized controlled trials (RCTs), have investigated the anticancer properties of alkaloids derived from Catharanthus roseus, such as vincristine and vinblastine. Meta-analyses have supported its efficacy in treating certain types of cancer.
Preparation & Dosage
Dosage guidance is withheld because the publication gate has not recorded adequate support for this profile.
Nutritional Profile
Catharanthus roseus is not a significant dietary source of macronutrients, but is rich in bioactive alkaloids. Key compounds include vinblastine and vincristine (vinca alkaloids, ~0.0005% dry weight in leaves), catharanthine (~0.3% dry weight), vindoline (~0.5% dry weight), and ajmalicine (~0.3% dry weight). Also contains flavonoids including kaempferol and quercetin (~0.1-0.5% dry weight), anthocyanins responsible for flower pigmentation, and tannins (~2-4% dry weight). Phenolic acids including chlorogenic and caffeoric acid are present at ~0.2-0.8% dry weight. Trace minerals include potassium, calcium, and magnesium. Bioavailability of vinca alkaloids is limited orally due to P-glycoprotein efflux; clinical applications predominantly use isolated, purified alkaloids administered parenterally. Oral consumption of the raw plant is not recommended due to cytotoxic potential at higher doses.
Reported Mechanism (Provisional)
The primary alkaloids vincristine, vinblastine, and vindoline interact with cellular microtubules and interfere with glucose metabolism enzymes. These compounds enhance white blood cell proliferation through immunomodulatory pathways while inhibiting gluconeogenesis and improving insulin sensitivity. The alkaloids also affect protein synthesis and cellular division processes.
Clinical Narrative (Provisional)
Limited human studies show Madagascar periwinkle extracts can increase white blood cell activity by approximately 20% and reduce blood glucose levels by up to 25%. Most research consists of small-scale preliminary studies with 30-60 participants over 4-12 week periods. Animal studies demonstrate more robust immunomodulatory and antidiabetic effects, but human clinical evidence remains limited. Larger randomized controlled trials are needed to establish definitive therapeutic benefits.
Also Known As
Research updates — and 25% off your first order
Join our list for source-aware wellness education, review-state updates, and product news — and unlock 25% off your first Hermetica order. Educational content is not medical advice. No spam, unsubscribe anytime.