# Maqui (Aristotelia chilensis)

**Canonical URL:** https://ingredients.hermeticasuperfoods.com/ingredients/maqui
**Data Source:** Hermetica Superfoods Ingredient Encyclopedia
**Updated:** 2026-03-20
**Evidence Score:** 2 / 10
**Category:** South American
**Also Known As:** Aristotelia chilensis, Chilean wineberry, Maqui berry, Clon, Queldón, Chilean blackberry, Patagonian superfruit

## Overview

Maqui berry (Aristotelia chilensis) is a Chilean fruit exceptionally rich in delphinidins, a class of monomeric anthocyanins that exert potent antioxidant effects by scavenging [reactive oxygen species](/ingredients/condition/antioxidant) and chelating pro-oxidant metal ions. These polyphenols also demonstrate antihemolytic and preliminary anticancer activity by modulating oxidative stress pathways at the cellular level.

## Health Benefits

• [Antioxidant](/ingredients/condition/antioxidant) properties due to high monomeric anthocyanin content, as measured by ORAC assays (Preliminary evidence).
• Antihemolytic activity observed in vitro (Preliminary evidence).
• Potential to reduce cell viability in Ishikawa endometrial cancer cells using hydroethanolic extracts (Preliminary evidence).
• High total polyphenol content which may contribute to general health (Preliminary evidence).
• Temperature-enhanced polyphenol diffusion, potentially increasing antioxidant capacity (Preliminary evidence).

## Mechanism of Action

Maqui berry's primary bioactives, delphinidin-3-sambubioside and delphinidin-3,5-diglucoside, neutralize free radicals via electron donation and inhibit [lipid peroxidation](/ingredients/condition/antioxidant) by chelating ferrous ions that catalyze the Fenton reaction. In vitro evidence suggests these anthocyanins may downregulate pro-survival signaling pathways such as PI3K/Akt in endometrial cancer cell lines, reducing cell viability in a dose-dependent manner when delivered as hydroethanolic extracts. Antihemolytic effects are attributed to membrane stabilization in erythrocytes, likely through direct interaction of polyphenols with phospholipid bilayers and inhibition of oxidative hemolysis.

## Clinical Summary

Current evidence for maqui berry is largely preclinical, derived from in vitro ORAC assays and cell-culture models rather than robust human clinical trials. Antioxidant capacity has been quantified using standardized ORAC methodology, where maqui extracts consistently outperform many other berry species, though ORAC scores do not directly translate to in vivo bioavailability or efficacy. Antihemolytic activity has been demonstrated in red blood cell models exposed to [oxidative stress](/ingredients/condition/antioxidant)ors, but human trial data on dosage, pharmacokinetics, and clinical endpoints remain absent or extremely limited. The anticancer findings in Ishikawa endometrial cancer cells are preliminary and require validation in animal models and controlled human studies before any therapeutic conclusions can be drawn.

## Nutritional Profile

Maqui berry (Aristotelia chilensis) is a nutrient-dense dark purple berry with the following documented composition per 100g fresh weight where available: Macronutrients are limited in published data, but the berry is low in calories with moderate carbohydrate content typical of small berries. Key bioactive compounds include: Anthocyanins (primary bioactives) at approximately 138–212 mg per 100g fresh weight, dominated by delphinidins (delphinidin-3-sambubioside-5-glucoside and delphinidin-3,5-diglucoside accounting for ~70–75% of total anthocyanins) and cyanidin derivatives (~25–30%); these are among the highest anthocyanin concentrations recorded in any known fruit. Total polyphenol content measured at approximately 27–37 mg gallic acid equivalents (GAE) per gram dry weight. ORAC (Oxygen Radical Absorbance Capacity) values reported at 27,600–29,000 µmol TE per 100g, significantly exceeding blueberry and açaí. Flavonoids including quercetin and rutin are present in moderate quantities. Ellagic acid and other ellagitannins have been identified. Vitamin C is present at moderate concentrations (~10–20 mg per 100g, though precise values are limited in literature). Minerals including potassium, calcium, and magnesium are present at trace-to-moderate levels consistent with small Andean berries; precise mineral panels are poorly characterized in peer-reviewed sources to date. Fiber content is estimated at 2–4g per 100g fresh weight based on comparable berry species. Bioavailability notes: Delphinidin-based anthocyanins generally exhibit lower oral bioavailability than cyanidin forms due to structural instability at physiological pH; however, colonic microbiota metabolites (phenolic acids such as protocatechuic acid) may contribute to systemic effects. Commercial freeze-dried maqui powder concentrates these values approximately 8–10 fold per gram.

## Dosage & Preparation

No clinically studied dosage ranges are available due to the absence of human trials. The extraction processes are optimized for bioactive yield, but therapeutic dosing is unspecified. Consult a healthcare provider before starting any new supplement.

## Safety & Drug Interactions

Maqui berry consumed as a food or juice is generally considered safe at dietary amounts, though standardized supplement doses have not been established or evaluated in formal safety trials. Due to its anthocyanin content and potential [antioxidant](/ingredients/condition/antioxidant) interactions, high-dose maqui supplements could theoretically interfere with chemotherapy agents that rely on oxidative mechanisms, and caution is warranted in oncology patients. No well-documented drug interactions have been confirmed in clinical studies, but polyphenol-rich extracts may modestly influence CYP450 enzyme activity, warranting caution with narrow-therapeutic-index drugs. Safety data during pregnancy and lactation are insufficient, so use of concentrated maqui supplements should be avoided in these populations until further research is available.

## Scientific Research

There are currently no human clinical trials, RCTs, or meta-analyses available for maqui (Aristotelia chilensis). The research is focused on extraction optimization and in vitro studies, lacking specific study designs or PMIDs.

## Historical & Cultural Context

Although specific historical uses are not detailed, the sourcing of berries from Chilean forests, such as the Mulchen and Bio-Bio regions, implies a traditional significance in local practices. However, the exact cultural applications remain unspecified.

## Synergistic Combinations

Acai, Blueberry, Pomegranate, Green Tea, Resveratrol

## Frequently Asked Questions

### What are the main antioxidants in maqui berry?

Maqui berry contains exceptionally high concentrations of delphinidins, specifically delphinidin-3-sambubioside and delphinidin-3,5-diglucoside, which are monomeric anthocyanins responsible for its deep purple color and antioxidant capacity. These compounds score among the highest of any known berry on ORAC (Oxygen Radical Absorbance Capacity) assays, though ORAC values are measured in vitro and may not fully reflect bioavailability after digestion.

### Can maqui berry help fight cancer?

Preliminary in vitro research using hydroethanolic maqui extracts has shown dose-dependent reductions in cell viability in Ishikawa endometrial cancer cells, suggesting potential antiproliferative activity. However, these findings come exclusively from cell-culture models and have not been replicated in human clinical trials, so maqui berry cannot be recommended as a cancer treatment or preventive agent based on current evidence.

### How does maqui berry protect red blood cells?

Maqui berry extracts have demonstrated antihemolytic activity in vitro, meaning they help protect red blood cells from oxidative damage that would otherwise cause rupture (hemolysis). The proposed mechanism involves polyphenol-mediated stabilization of erythrocyte membranes and inhibition of iron-catalyzed lipid peroxidation through chelation of ferrous ions, though this has not yet been confirmed in human studies.

### What is the recommended dosage for maqui berry supplements?

No standardized clinical dosage for maqui berry supplements has been established through controlled human trials, making it impossible to provide an evidence-based recommendation. Commercially available supplements typically range from 500 mg to 2,000 mg of dried extract per day, but these doses are not supported by dose-finding pharmacokinetic studies, and consumers should consult a healthcare provider before use.

### Is maqui berry safe to take with medications?

No clinically confirmed drug interactions for maqui berry have been documented, but its high polyphenol content raises theoretical concerns about modulation of cytochrome P450 enzymes (particularly CYP3A4), which could alter the metabolism of drugs with narrow therapeutic windows such as warfarin or certain statins. High-dose antioxidant supplements including maqui may also potentially interfere with oxidative-mechanism-based chemotherapy drugs, so patients on any prescription medication should seek medical advice before supplementing.

### What is the difference between maqui berry extract and whole maqui berry powder?

Maqui berry extracts are concentrated forms that isolate the anthocyanins and polyphenols, potentially delivering higher antioxidant potency per dose compared to whole fruit powder. Whole powder retains fiber and other phytonutrients but may have lower bioavailability of active compounds; extracts are often standardized to specific polyphenol content for consistency. The choice depends on whether you prioritize convenience and concentration (extract) or a more complete food matrix (powder).

### Is maqui berry safe for children and pregnant women?

While maqui berry is a natural food, safety data specifically in children and pregnant women is limited, and supplementation during these periods should be discussed with a healthcare provider. The berry itself is consumed traditionally in Chile, but concentrated supplement forms have not been extensively studied in vulnerable populations. Pregnant and nursing women should exercise caution and seek professional guidance before adding concentrated maqui supplements to their regimen.

### What does the current research evidence say about maqui berry's health claims?

Most maqui berry research is preliminary, based on in vitro and animal studies rather than large-scale human clinical trials. While laboratory studies show promise for antioxidant activity and potential effects on certain cancer cell lines, these findings have not yet translated into confirmed benefits in humans. More rigorous clinical research is needed to validate marketing claims and establish maqui's true efficacy for specific health conditions.

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