# Chrysophanol

**Canonical URL:** https://ingredients.hermeticasuperfoods.com/ingredients/chrysophanol
**Data Source:** Hermetica Superfoods Ingredient Encyclopedia
**Updated:** 2026-04-04
**Evidence Score:** 2 / 10
**Category:** Compound
**Also Known As:** 1,8-dihydroxy-3-methylanthraquinone, Chrysophanic acid, 3-Methyl-1,8-dihydroxyanthraquinone, Rhein methyl ether, Danthron monomethyl ether, Da huang phenol, Rhubarb yellow

## Overview

Chrysophanol is a naturally occurring anthraquinone compound found in rhubarb, aloe vera, and several traditional medicinal plants. It exerts its primary effects by modulating [ATP synthesis](/ingredients/condition/energy), activating [antioxidant](/ingredients/condition/antioxidant) enzyme pathways, and interfering with cancer cell proliferation signaling cascades.

## Health Benefits

• May block colon cancer cell proliferation by reducing ATP levels and inducing necrosis (preclinical evidence) • Attenuates effects of lead exposure in mice, improving [memory](/ingredients/condition/cognitive) and learning (animal evidence) • Enhances antioxidant enzymes like SOD and GSH-Px, reducing [oxidative stress](/ingredients/condition/antioxidant) (preclinical evidence) • Reduces neuronal edema and improves [mitochondrial function](/ingredients/condition/energy) in lead-exposed mice (animal evidence) • Suppresses EGFR and mTOR signaling pathways, potentially reducing cancer cell proliferation (in vitro/in vivo evidence)

## Mechanism of Action

Chrysophanol disrupts mitochondrial [ATP production](/ingredients/condition/energy) in cancer cells, triggering necrotic cell death rather than apoptosis by depleting cellular energy reserves. It upregulates superoxide dismutase (SOD) and [glutathione](/ingredients/condition/detox) peroxidase (GSH-Px), key antioxidant enzymes that neutralize [reactive oxygen species](/ingredients/condition/antioxidant) (ROS). Additionally, chrysophanol has been shown to inhibit [NF-κB](/ingredients/condition/inflammation) signaling and modulate acetylcholinesterase activity, which may underlie its [neuroprotective effect](/ingredients/condition/cognitive)s observed in lead-exposure animal models.

## Clinical Summary

The current evidence base for chrysophanol consists almost entirely of in vitro cell studies and rodent models, with no completed human clinical trials published as of early 2025. Animal studies using murine lead-exposure models demonstrated improvements in spatial [memory](/ingredients/condition/cognitive) and learning tasks alongside reduced hippocampal oxidative markers. Preclinical colon cancer research showed dose-dependent reductions in HCT116 and SW480 cell viability linked to ATP depletion and necrosis induction. While these findings are mechanistically promising, extrapolation to human therapeutic use is premature without Phase I or II trial data.

## Nutritional Profile

Chrysophanol (CAS 481-74-3) is a naturally occurring anthraquinone compound (molecular formula: C15H10O4, molecular weight: 254.24 g/mol), not a conventional food nutrient and therefore carries no macronutrient, vitamin, or mineral profile. Bioactive compound classification: hydroxyanthraquinone derivative, specifically 1,8-dihydroxy-3-methylanthraquinone. Found in trace to moderate concentrations in rhubarb root (Rheum officinale, ~0.1–1.2 mg/g dry weight), Cassia species seeds (~0.5–2.0 mg/g dry weight), Polygonum multiflorum (~0.3–0.8 mg/g dry weight), and aloe latex (~0.05–0.3 mg/g dry weight). As an isolated compound it is not a source of calories, fiber, or protein. Key bioactive properties stem from its anthraquinone chromophore enabling redox activity and [mitochondrial](/ingredients/condition/energy) interaction. Oral bioavailability is limited due to poor water solubility (log P ~2.9), though intestinal absorption is facilitated by passive diffusion; first-pass [metabolism](/ingredients/condition/weight-management) produces glucuronide and sulfate conjugates. Peak plasma concentrations in animal studies reached approximately 50–200 ng/mL following oral doses of 20–50 mg/kg. Tissue distribution favors liver, kidney, and intestinal tissues. Half-life estimated at 4–8 hours in rodent models. No established dietary reference intake or therapeutic dosage range has been defined for humans. Primary bioactive mechanisms linked to ATP synthesis inhibition, [antioxidant](/ingredients/condition/antioxidant) enzyme upregulation (SOD, GSH-Px), and mitochondrial membrane stabilization rather than nutritional contribution.

## Dosage & Preparation

There are no clinically studied dosage ranges for chrysophanol due to the absence of human trials. Preclinical research uses stock solutions for models. Consult a healthcare provider before starting any new supplement.

## Safety & Drug Interactions

Chrysophanol belongs to the anthraquinone class, which as a group has been associated with laxative effects, electrolyte imbalances, and potential genotoxicity at high or prolonged doses, as documented with structurally related compounds like emodin. No human pharmacokinetic or toxicology studies specific to isolated chrysophanol have been published, making safe dosage thresholds undefined. It may theoretically interact with anticoagulants, chemotherapy agents, or drugs metabolized via CYP450 enzymes given its anthraquinone structure. Chrysophanol should be avoided during pregnancy and lactation due to the stimulant laxative potential of anthraquinones and complete absence of reproductive safety data.

## Scientific Research

No human clinical trials, RCTs, or meta-analyses for chrysophanol are identified, with all evidence limited to in vitro and animal studies. Specific PMIDs are not provided in the research dossier.

## Historical & Cultural Context

Chrysophanol is found in rhubarb, a component of traditional Chinese medicine known for its [antimicrobial](/ingredients/condition/immune-support) properties. Specific traditional roles of chrysophanol are not detailed in available sources.

## Synergistic Combinations

Curcumin, Quercetin, Resveratrol, Green Tea Extract, Vitamin C

## Frequently Asked Questions

### What foods or plants contain chrysophanol?

Chrysophanol is found naturally in Rheum palmatum (Chinese rhubarb), Cassia species, Aloe vera, Polygonum multiflorum (fo-ti), and Rumex crispus (yellow dock). Rhubarb root is among the richest documented sources, where chrysophanol co-occurs with related anthraquinones including emodin, aloe-emodin, and rhein.

### Can chrysophanol kill cancer cells?

Preclinical cell studies suggest chrysophanol can inhibit proliferation of colon cancer cell lines such as HCT116 and SW480 by depleting ATP levels and inducing necrotic rather than apoptotic cell death. These are laboratory findings only — no human clinical trials have tested chrysophanol as a cancer treatment, so it cannot be recommended as a cancer therapy.

### Does chrysophanol improve memory or brain function?

In mouse models of lead-induced neurotoxicity, chrysophanol administration was associated with improved performance on spatial learning and memory tasks, alongside reduced hippocampal oxidative stress markers including MDA levels. The proposed mechanism involves inhibition of acetylcholinesterase and upregulation of SOD and GSH-Px, but these effects have not been confirmed in human studies.

### What is the difference between chrysophanol and emodin?

Both chrysophanol and emodin are anthraquinone compounds that co-occur in plants like rhubarb, but they differ structurally in their hydroxyl group substitution patterns. Emodin carries a hydroxyl group at the 6-position, giving it stronger documented estrogenic and genotoxic activity in preclinical studies, while chrysophanol lacks this group and has a somewhat different bioactivity profile, though both share antioxidant and anti-inflammatory properties.

### Is chrysophanol safe to take as a supplement?

No standardized safe dosage for isolated chrysophanol has been established in humans, as clinical pharmacokinetic and toxicology trials have not been completed. As an anthraquinone, high or prolonged intake carries theoretical risks including stimulant laxative effects, electrolyte disturbances, and potential genotoxicity extrapolated from studies on structurally similar compounds. Individuals taking blood thinners, chemotherapy drugs, or those who are pregnant should avoid chrysophanol supplements until human safety data exist.

### What does the research show about chrysophanol's effects on heavy metal exposure?

Animal studies demonstrate that chrysophanol can attenuate the neurological damage caused by lead exposure, specifically by improving memory and learning performance in lead-exposed mice. The compound appears to work by reducing neuronal edema and enhancing mitochondrial function, though most evidence remains limited to preclinical models and has not been validated in human clinical trials.

### How does chrysophanol reduce oxidative stress in the body?

Chrysophanol enhances the activity of endogenous antioxidant enzymes, particularly superoxide dismutase (SOD) and glutathione peroxidase (GSH-Px), which are the body's primary defenses against free radical damage. By upregulating these protective enzymes rather than acting as a direct antioxidant itself, chrysophanol may provide broader cellular protection against oxidative stress.

### Is chrysophanol effective for preventing or treating colon cancer in humans?

Current evidence for chrysophanol and colon cancer is limited to preclinical laboratory studies showing that it can block cancer cell proliferation by reducing ATP levels and inducing necrosis in colon cancer cells. There are no clinical trials in humans, so its real-world effectiveness and safety profile for cancer prevention or treatment remains unknown and should not be assumed based on test-tube results.

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