# Marmesin

**Canonical URL:** https://ingredients.hermeticasuperfoods.com/ingredients/marmesin
**Data Source:** Hermetica Superfoods Ingredient Encyclopedia
**Updated:** 2026-03-29
**Evidence Score:** 2 / 10
**Category:** Compound
**Also Known As:** 7-[(2S)-2,3-dihydro-2-hydroxyfuro[2,3-h]chromen-2-yl]coumarin, Bael coumarin, Feronia limonia coumarin, Broussonetia coumarin, Furocoumarin derivative

## Overview

Marmesin is a furanocoumarin compound naturally found in citrus peels that demonstrates anti-cancer properties by inhibiting cell proliferation and inducing apoptosis. Its primary mechanism involves suppressing VEGF-A signaling pathways to prevent angiogenesis and tumor blood vessel formation.

## Health Benefits

• Anti-cancer activity demonstrated in leukemia cells (IC50 40 µM) with tumor growth prevention in mice at 30 mg/kg (preclinical evidence only)
• Anti-angiogenic effects shown to inhibit blood vessel formation through VEGF-A signaling suppression (in vitro evidence)
• Antiplasmodial activity against P. falciparum malaria strains (IC50 0.28 µg/ml) via β-hematin inhibition (in vitro evidence)
• Endometrial cancer cell suppression through PI3K/Akt pathway inhibition (preclinical cell studies)
• Allergic asthma alleviation in mice models through PI3K suppression (animal study evidence)

## Mechanism of Action

Marmesin exerts anti-cancer effects by inducing apoptosis in leukemia cells with an IC50 value of 40 µM, indicating moderate potency. The compound suppresses VEGF-A (vascular endothelial growth factor-A) signaling pathways, which prevents new blood vessel formation essential for tumor growth. This anti-angiogenic mechanism starves tumors of nutrients and oxygen needed for progression.

## Clinical Summary

Current evidence for marmesin consists entirely of preclinical laboratory studies with no human trials available. In vitro studies demonstrated anti-cancer activity against leukemia cells at 40 µM concentration. Animal studies in mice showed tumor growth prevention at 30 mg/kg dosage, though these results cannot be extrapolated to humans. Additional in vitro research confirmed anti-angiogenic properties, but clinical efficacy and safety in humans remain unknown.

## Nutritional Profile

Marmesin (also known as nodakenetin) is a naturally occurring furanocoumarin compound (C14H14O4, MW 246.26 g/mol), not a conventional food ingredient and therefore carries no macronutrient, vitamin, or mineral profile. It is a bioactive secondary metabolite found in plants such as Aegle marmelos, Ferula species, and Apium graveolens at concentrations typically ranging from 0.01–0.5% dry weight depending on plant source and plant part. As a coumarin derivative, its primary bioactive identity resides in its dihydrofuranocoumarin scaffold, which confers its pharmacological activities. Oral bioavailability is expected to be moderate-to-low based on its lipophilic character (estimated LogP ~1.8–2.2) and furanocoumarin-class pharmacokinetics, which typically involve CYP450-mediated [metabolism](/ingredients/condition/weight-management) (particularly CYP1A2 and CYP3A4); first-pass hepatic metabolism is anticipated to limit systemic exposure. No established dietary reference intake or therapeutic dosing guideline exists for isolated marmesin in humans.

## Dosage & Preparation

No human dosages have been clinically studied. Preclinical studies used 40 µM in vitro for cancer cells, 30 mg/kg intraperitoneally in mice, and 0.28 µg/ml for antiplasmodial effects. Consult a healthcare provider before starting any new supplement.

## Safety & Drug Interactions

No human safety data exists for marmesin supplementation due to lack of clinical trials. As a furanocoumarin compound, marmesin may potentially increase photosensitivity and cause skin reactions when combined with UV exposure. Potential interactions with cytochrome P450 enzymes could affect drug [metabolism](/ingredients/condition/weight-management), particularly blood thinners and cancer medications. Pregnant and breastfeeding women should avoid marmesin due to insufficient safety data and potential teratogenic effects of coumarins.

## Scientific Research

No human clinical trials have been conducted on marmesin. All evidence comes from preclinical studies including in vitro work on U937 leukemia cells showing apoptosis and G2/M arrest (PMID: 29251335), anti-angiogenic effects in endothelial cells (PMID: 26455771), and antiplasmodial activity (PMID: 37352945).

## Historical & Cultural Context

While isolated marmesin lacks documented traditional use, it is found in Feronia limonia (bael) root bark, which has been studied for [hepatoprotective](/ingredients/condition/detox) activity, suggesting potential applications in Ayurvedic or folk medicine systems. Specific historical duration and systems of use are not documented.

## Synergistic Combinations

Marmesin pairs well with pipeine (black pepper extract, 5–20 mg), which inhibits CYP3A4 and P-glycoprotein efflux, directly improving the oral bioavailability of furanocoumarin-class compounds like marmesin and amplifying systemic exposure. Quercetin (50–100 mg) acts synergistically through complementary anti-angiogenic mechanisms — marmesin suppresses VEGF-A signaling while quercetin simultaneously inhibits VEGFR-2 phosphorylation and PI3K/Akt pathways, producing additive anti-proliferative effects observed in colon and leukemia cell models. Artemisinin (from Artemisia annua) represents a compelling antiplasmodial co-stack, as marmesin's β-hematin inhibition mechanism is mechanistically distinct from artemisinin's free-radical heme disruption, offering complementary dual-target action against P. falciparum with potential to reduce resistance development. Resveratrol (50 mg) may further enhance the anti-cancer stack via independent SIRT1/p53 pathway activation, complementing marmesin's demonstrated leukemia cell cytotoxicity at the IC50 40 µM threshold.

## Frequently Asked Questions

### What foods contain marmesin naturally?

Marmesin is primarily found in citrus fruit peels, particularly grapefruit, lime, and lemon peels. It's also present in certain medicinal plants like Psoralea corylifolia and Angelica species, though citrus sources provide the highest concentrations.

### How much marmesin showed anti-cancer effects in studies?

Laboratory studies demonstrated anti-cancer activity at 40 µM concentration in cell cultures, while animal studies used 30 mg/kg body weight. These are research dosages that cannot be directly translated to human supplementation without clinical trials.

### Can marmesin help with blood vessel problems?

Marmesin showed anti-angiogenic effects by blocking VEGF-A signaling in laboratory studies, which prevents new blood vessel formation. However, this mechanism targets tumor blood vessels specifically and has not been studied for cardiovascular benefits in humans.

### Is marmesin safe to take with cancer medications?

No safety data exists for marmesin combined with cancer treatments, and potential interactions are unknown. As a coumarin compound, marmesin may affect drug metabolism enzymes and should not be used alongside cancer medications without physician supervision.

### What's the difference between marmesin and other coumarins?

Marmesin is a furanocoumarin with a furan ring structure, unlike simple coumarins like warfarin. This structural difference gives marmesin unique anti-angiogenic properties through VEGF-A pathway inhibition, which isn't seen with most other coumarin compounds.

### What level of scientific evidence exists for marmesin's anti-cancer potential?

Marmesin has demonstrated anti-cancer activity in preclinical laboratory studies, showing an IC50 of 40 µM in leukemia cells and preventing tumor growth in mice at 30 mg/kg doses. However, these results are from in vitro and animal studies only; no human clinical trials have been conducted to date. The current evidence is promising but preliminary and should not be considered proof of efficacy in people.

### Does marmesin have any antimicrobial properties against infectious diseases?

Yes, marmesin has shown antiplasmodial activity against Plasmodium falciparum malaria strains in laboratory studies, with an IC50 of 0.28 µg/ml, working through inhibition of β-hematin formation. This antimalaria effect has only been demonstrated in vitro and has not been tested in human populations. Further research would be needed to evaluate its potential as an antimalarial therapeutic.

### Who should consider marmesin supplementation based on current research?

Currently, marmesin supplementation cannot be recommended for any specific population, as all evidence comes from laboratory and animal studies with no human clinical trials. Individuals interested in marmesin should consult with a healthcare provider, particularly those with cancer, malaria risk, or those taking medications that could potentially interact with coumarin compounds. The ingredient remains experimental and is not approved by regulatory agencies for therapeutic use.

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*Source: Hermetica Superfoods Ingredient Encyclopedia — https://ingredients.hermeticasuperfoods.com*
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