Vindoline (Vinca Precursor Indole Alkaloid · Informational)
Compiled from published pharmacological and botanical literature. Not independently verified by Herbuno. Spotted an error or have a correction? Flag it below →
| Compound | Vindoline |
| Chemical class | Alkaloid — Indole (monoterpenoid indole alkaloid; aspidosperma-type monomer) |
| CAS | 2182-14-1 |
| Primary source | Catharanthus roseus (Madagascar periwinkle), leaves |
| Key applications | Biosynthetic monomer precursor to vinblastine/vincristine; informational-only |
| Claim strength | High (pharmaceutical precursor) |
| Typical form | Pharmaceutical raw material (semisynthesis feedstock); not a supplement ingredient |
| Buy from Herbuno | Informational reference — see HerbIQ Compound Index → |
Name origin: Vindoline derives its name from the Vinca/Catharanthus lineage and is an aspidosperma-type monoterpenoid indole alkaloid. It is the vindoline half of the dimeric vinca alkaloids, complementary to the iboga-type catharanthine, and the two are joined to build the anticancer bisindole scaffold. Traditional use: Vindoline has no traditional identity separate from Madagascar periwinkle, the folk antidiabetic plant whose antimitotic alkaloids were discovered in the 1950s when researchers pursuing a glucose-lowering agent instead found potent cytotoxicity. Its significance is entirely as a precursor. Research trajectory: Vindoline is produced in the leaf from tabersonine through a seven-step enzymatic pathway that is now fully described, and it then couples with catharanthine via anhydrovinblastine to yield vinblastine and vincristine, a supply chain analysed in detail in work demonstrating microbial production of the precursors Zhang 2022. Because vindoline biosynthesis is leaf-specific and absent from cell-suspension and hairy-root cultures, gene-silencing and heterologous-reconstitution approaches have been central to understanding and engineering it, including virus-induced gene silencing used to dissect the metabolism in planta Liscombe 2011. Commercial source: Vindoline is a pharmaceutical raw material, included in HerbIQ as a biosynthesis and chemical-family reference.
Evidence for Vindoline Applications
Vinca-alkaloid precursor: Vindoline couples with catharanthine to form the anticancer bisindole alkaloids, and the pharmaceutical supply of vinblastine depends on isolating and coupling these two precursors, a dependence documented in analyses of the drug’s supply chain Zhang 2022. Its role is structural and industrial rather than directly therapeutic. Claim strength: High (pharmaceutical precursor).
Leaf-specific biosynthesis: Vindoline is made from tabersonine via a seven-step, leaf-localised enzymatic pathway, and virus-induced gene silencing has been used to dissect this metabolism and confirm the roles of the participating enzymes Liscombe 2011. This tissue specificity is a defining and complicating feature of the pathway. Claim strength: High.
Supply engineering: Reconstituting vindoline biosynthesis in engineered microbes is a route to more reliable vinca-alkaloid precursor supply, and the vindoline pathway represents one of the most complex plant-alkaloid routes yet rebuilt in a microbial cell factory Zhang 2022. Claim strength: Moderate.
Structural class: As an aspidosperma-type alkaloid, vindoline is also of interest for the chemistry of this monoterpenoid indole alkaloid family and for the enzymology of the tabersonine-to-vindoline conversion. Claim strength: Emerging.
Cultivar variation: Vindoline content varies across Catharanthus roseus cultivars, and it is measured alongside catharanthine and serpentine when screening high-yielding lines, making it one of the marker alkaloids used to evaluate periwinkle germplasm for precursor production. Claim strength: Emerging.
Coupling chemistry: The union of vindoline with catharanthine to form anhydrovinblastine, and its subsequent reduction to vinblastine, is a well-established semisynthetic sequence, and vindoline’s reactivity in that coupling is part of what makes the two monomers a practical basis for manufacturing the scarce dimers. This coupling step is the pivot on which the entire vinca-alkaloid supply chain turns. Claim strength: Moderate.
This compound is documented for research and formulator education purposes. For commercially available botanical ingredients, explore the HerbIQ Compound Index →
Dosage & Formulator Specification
Vindoline is a pharmaceutical precursor with no dietary-supplement application and no consumer dosing. It serves as a semisynthesis feedstock for vinca-alkaloid manufacture under pharmaceutical-manufacturing controls rather than as an ingredient.
Catharanthus roseus herb is not a food-safe supplement botanical owing to its cytotoxic alkaloid content, and there is no supplement-grade vindoline application. Formulators should treat periwinkle leaf material as a pharmaceutical feedstock, and the boundary here is categorical rather than a question of grade.
Commercial vindoline is isolated from periwinkle leaves and purified to a coupling-grade specification, with analytical control by HPLC against reference standards. Microbial biosynthesis is an emerging alternative to plant extraction and, if scaled, would reduce dependence on agricultural variability — a meaningful consideration given the leaf-specific and cultivar-dependent nature of vindoline accumulation.
The complexity of vindoline biosynthesis has a practical corollary worth spelling out: because the seven-step, leaf-specific pathway cannot be reproduced in simple cell cultures, historical attempts to make periwinkle produce vindoline in bioreactors largely failed, and this is precisely the gap that engineered-microbe approaches aim to fill. For anyone tracking the vinca-alkaloid supply chain, vindoline is the harder of the two precursors to source biotechnologically, which makes it a particular focus of the metabolic-engineering literature.
For the formulator, vindoline sits alongside catharanthine firmly inside regulated pharmaceutical supply rather than the standardised-botanical catalogue. This monograph documents the compound so its place in the vinca family — and its relationship to catharanthine, vinblastine, and vincristine elsewhere in HerbIQ — is clear, without implying any sourcing route.
Frequently Asked Questions — Vindoline
What is vindoline?
Vindoline is an aspidosperma-type monoterpenoid indole alkaloid from Catharanthus roseus and the second monomer precursor, with catharanthine, that couples to form vinblastine and vincristine. It is a pharmaceutical raw material rather than a supplement ingredient.
How is vindoline made in the plant?
Vindoline is derived from the intermediate tabersonine through a well-characterised seven-step enzymatic pathway that is localised specifically to the leaves of Catharanthus roseus. This leaf-specific localisation is one reason cell and root cultures have historically failed to produce it.
Is vindoline a supplement ingredient?
No. Like catharanthine, it is a pharmaceutical precursor with no dietary-supplement or food use, and it appears in HerbIQ as a biosynthesis and chemical-family reference rather than as a sourceable ingredient.
Why is vindoline biosynthesis studied so intensively?
Because securing a reliable, affordable supply of vinblastine and vincristine depends on the supply of their precursors. Understanding the seven-step vindoline pathway and reconstituting it in engineered hosts is a route to producing the precursor independently of periwinkle cultivation, which matters given how scarce the final drugs are in the plant.
Related compounds: Catharanthine, Vinblastine, Vincristine, Serpentine
Claim-strength scale – High = multiple human RCTs; Moderate = limited trials or strong preclinical convergence; Emerging = early-stage lab or animal data.
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