# Amanita Caesarea (Caesar's Mushroom)

**Canonical URL:** https://ingredients.hermeticasuperfoods.com/ingredients/amanita-caesarea-caesar-s-mushroom
**Data Source:** Hermetica Superfoods Ingredient Encyclopedia
**Updated:** 2026-03-15
**Evidence Score:** 6 / 10
**Category:** Mushroom/Fungi
**Also Known As:** Amanita caesarea (Scop.) Pers., Caesar's mushroom, Royal Agaric, Ovolo

## Overview

Amanita caesarea contains catechin (32.5 mg/g) and ferulic acid (7 mg/g) that demonstrate [antioxidant activity](/ingredients/condition/antioxidant) through DPPH radical scavenging and [anti-inflammatory](/ingredients/condition/inflammation) effects by inhibiting LPS-induced nitric oxide production. The mushroom exhibits [antimicrobial](/ingredients/condition/immune-support) properties with acetone extracts showing MIC values of 4.8 µg/mL against Candida albicans.

## Health Benefits

- Enhances [immune function](/ingredients/condition/immune-support) via polysaccharides and beta-glucans that modulate cellular defense mechanisms.
- Offers potent [antioxidant protection](/ingredients/condition/antioxidant) through ergothioneine and phenolic compounds that combat oxidative stress.
- Supports [digestive health](/ingredients/condition/gut-health) with dietary fiber that promotes microbiota balance and gut regularity.
- Promotes cardiovascular wellness with potassium and [anti-inflammatory](/ingredients/condition/inflammation) compounds that help regulate [blood pressure](/ingredients/condition/heart-health) and heart function.
- Nourishes skin by supporting collagen formation and protecting against environmental damage.
- Supports metabolic and cellular energy via B vitamins, copper, and selenium.

## Mechanism of Action

Catechin and epicatechin inhibit LPS-induced nitric oxide production and iNOS expression at low micromolar concentrations (IC50 4.8 ± 0.2 μM and 5.7 ± 0.5 μM respectively). Phenolic compounds including ferulic acid and p-coumaric acid provide [antioxidant](/ingredients/condition/antioxidant) effects through DPPH radical scavenging mechanisms. The high oleic acid content (58% of total fatty acids) contributes to anti-[inflammatory pathway](/ingredients/condition/inflammation)s.

## Clinical Summary

Current evidence is limited to in vitro studies only, with no human clinical trials reported in available literature. Laboratory studies demonstrate measurable [antioxidant activity](/ingredients/condition/antioxidant) (40.91% DPPH scavenging at 0.5 mg/mL) and [antimicrobial](/ingredients/condition/immune-support) effects against Candida albicans. [Anti-inflammatory](/ingredients/condition/inflammation) studies show quantified IC50 values for key compounds, but translation to human efficacy remains unestablished. Clinical validation through human trials is needed to confirm therapeutic potential.

## Nutritional Profile

- Polysaccharides: Including [beta-glucan](/ingredients/condition/immune-support)s, which strengthen immune defenses and support gut function.
- [Antioxidant](/ingredients/condition/antioxidant)s: Ergothioneine and selenium, shielding cells from oxidative damage and delivering [anti-inflammatory](/ingredients/condition/inflammation) effects.
- Fiber: Promoting [digestive health](/ingredients/condition/gut-health) and microbial balance.
- Minerals: Potassium, supporting [cardiovascular](/ingredients/condition/heart-health) function and fluid balance.
- Vitamins: Trace amounts of Vitamin D, supporting [bone integrity](/ingredients/condition/bone-health) and immune resilience.

## Dosage & Preparation

- Forms: Consumed fresh or dried.
- Culinary Use: Grilled, sautéed, or served in risottos, pastas, and soups.
- Dosage: Approximately 1 cup fresh (70g) or 1 tbsp dried daily when used culinarily.
- Caution: Only consume with expert identification due to potential toxic lookalikes.
- Storage: Keep fresh mushrooms in a paper bag in the fridge; store dried mushrooms in airtight containers and rehydrate before use.

## Safety & Drug Interactions

Amanita caesarea is widely consumed as food in Mediterranean regions like Turkey with no documented toxicity in studies. The primary safety concern involves misidentification with toxic Amanita species, though A. caesarea itself does not contain the toxic compounds ibotenic acid or muscimol found in other Amanita varieties. No specific drug interactions or contraindications are documented in current literature. Proper species identification by experienced foragers is essential for safe consumption.

## Scientific Research

Scientific literature, including reviews on edible fungi, supports the nutritional value and potential immune-modulating and [antioxidant](/ingredients/condition/antioxidant) effects of Amanita caesarea. Research also explores its traditional Mediterranean uses and broader benefits attributed to edible mushrooms.

## Historical & Cultural Context

Once reserved for emperors and nobility in ancient Roman times, Caesar’s Mushroom has earned its name through centuries of culinary and medicinal reverence. It stands as a symbol of the timeless harmony between exquisite flavor and profound wellness in Mediterranean cultures.

## Synergistic Combinations

Role: Myco-[adaptogen](/ingredients/condition/stress)ic base
Intention: Cardio & Circulation | Immune & [Inflammation](/ingredients/condition/inflammation)
Primary Pairings: - Ginger (Zingiber officinale)
- Garlic (Allium sativum)
- Parsley (Petroselinum crispum)
- Olive Oil (Olea europaea)

## Frequently Asked Questions

### What are the main active compounds in Amanita caesarea?

The primary bioactive compounds include catechin at 32.5 mg/g, ferulic acid at 7 mg/g, p-coumaric acid at 6 mg/g, and cinnamic acid at 6.2 mg/g. Oleic acid comprises 58% of the total fatty acid content.

### How strong is the antioxidant activity of Caesar's mushroom?

In vitro studies show 40.91% DPPH radical scavenging activity at 0.5 mg/mL concentration and reducing power of 0.451 at 1.2 mg/mL. These effects are attributed primarily to catechin and other phenolic compounds.

### Is Amanita caesarea safe to consume?

Yes, it is widely consumed as food in Mediterranean regions with no documented toxicity. The main safety concern is proper identification, as other Amanita species can be highly toxic.

### What antimicrobial effects does Caesar's mushroom have?

Acetone extracts demonstrate antimicrobial activity against Candida albicans with a minimum inhibitory concentration (MIC) of 4.8 µg/mL. This suggests potential antifungal applications, though human studies are lacking.

### Are there any clinical trials on Amanita caesarea?

No human clinical trials are currently available in the literature. All documented effects come from in vitro laboratory studies, limiting evidence for therapeutic applications in humans.

### What is the recommended dosage of Amanita caesarea supplements, and how often should I take it?

Most Amanita caesarea supplements are dosed between 500–1500 mg daily, typically taken once or twice with meals to optimize absorption. Dosage can vary depending on the form (powder, extract, capsule) and the concentration of active compounds; it is advisable to follow the manufacturer's instructions or consult a healthcare provider for personalized dosing. Starting with a lower dose and gradually increasing allows your body to adjust to the supplement.

### Does Amanita caesarea interact with common medications like blood thinners or blood pressure medications?

Amanita caesarea contains potassium and anti-inflammatory compounds that may interact with blood pressure medications or anticoagulants; individuals taking these medications should consult their healthcare provider before supplementing. The polysaccharides in Caesar's mushroom may also enhance immune function, which could theoretically affect immunosuppressant medications. Medical supervision is recommended to avoid adverse interactions.

### Who benefits most from Amanita caesarea supplementation, and who should avoid it?

Individuals seeking immune support, antioxidant protection, and cardiovascular wellness may benefit most from Amanita caesarea, particularly those with oxidative stress or compromised digestive health. However, people with mushroom allergies, those on anticoagulant therapy, and individuals with certain autoimmune conditions should avoid this supplement or use it only under medical guidance. Pregnant and nursing women should consult a healthcare provider before use due to limited safety data in these populations.

## References

Research links: https://www.ncbi.nlm.nih.gov/search/all/?term=Amanita+Caesarea+%28Caesar%27s+Mushroom%29; https://fdc.nal.usda.gov/fdc-app.html#/search?query=Amanita+Caesarea+%28Caesar%27s+Mushroom%29 | Studies: https://pubmed.ncbi.nlm.nih.gov/?term=Amanita+Caesarea+%28Caesar%27s+Mushroom%29

---

*Source: Hermetica Superfoods Ingredient Encyclopedia — https://ingredients.hermeticasuperfoods.com*
*License: CC BY-NC-SA 4.0 — Attribution required. Commercial use: admin@hermeticasuperfoods.com*