Mace (Myristica fragrans)
Mace is the dried aril surrounding the nutmeg seed of Myristica fragrans, containing bioactive compounds including myristicin, elemicin, and macelignan. These compounds have demonstrated antioxidant and anti-inflammatory activity in preclinical models, though no human clinical trials currently substantiate therapeutic benefits.
Origin & History
Mace is the lacy, crimson-colored aril (seed covering) of the nutmeg tree (*Myristica fragrans*), native to the Banda Islands of Indonesia. It is harvested from the fruit's seed, separate from the inner nutmeg kernel, and is often processed via hydrodistillation or supercritical CO₂ extraction to produce an essential oil rich in monoterpenes and aromatic compounds.[1, 2]
Historical & Cultural Context
The provided research does not detail the historical or traditional medicinal uses of mace in systems like Ayurveda or Unani. The dossier notes the history of its cultivation but lacks specific information on its role in traditional medicine.[2, 6]
Health Benefits
["\u2022 No specific health benefits for mace have been substantiated by human clinical trials, as no such studies are available in the research dossier.", "\u2022 Preliminary *in vitro* evidence suggests potential antioxidant activity based on DPPH assays, but this has not been confirmed in human studies.[4]", "\u2022 There is no clinical evidence to support the use of mace for cognitive enhancement.", "\u2022 There is no clinical evidence to support the use of mace for anti-inflammatory purposes.", "\u2022 There is no clinical evidence to support the use of mace for improving digestive health."]
How It Works
Myristicin, a phenylpropanoid found in mace essential oil, is thought to modulate monoamine oxidase (MAO) activity and may interact with GABA-A receptors, which underlies its studied neurological effects. Macelignan, a lignan compound, has demonstrated inhibition of NF-κB signaling pathways in cell-based assays, potentially reducing pro-inflammatory cytokine expression. Mace's antioxidant activity appears to stem from phenolic compounds scavenging free radicals via hydrogen atom transfer, as measured in DPPH and ABTS assay models.
Scientific Research
The research dossier contains no human clinical trials, randomized controlled trials (RCTs), or meta-analyses on mace for any biomedical application. Consequently, no PubMed PMIDs for human studies are available.[2, 4]
Clinical Summary
No human clinical trials specifically evaluating mace (as distinct from whole nutmeg) for health outcomes are currently available in the published literature. Preclinical in vitro studies have demonstrated antioxidant activity using DPPH radical scavenging assays, and animal models have explored macelignan's effects on inflammatory markers, but these findings cannot be extrapolated to human therapeutic doses. The evidence base is limited entirely to cell culture and rodent studies, which frequently fail to translate to clinical efficacy. Overall, the evidence strength for any health claim related to mace supplementation must be rated as very low.
Nutritional Profile
{"macronutrients": {"carbohydrates": "50-60g per 100g", "protein": "6-7g per 100g", "fat": "30-40g per 100g", "fiber": "20-25g per 100g"}, "micronutrients": {"vitamins": {"vitamin A": "0.1mg per 100g", "vitamin C": "21mg per 100g"}, "minerals": {"calcium": "250mg per 100g", "iron": "13mg per 100g", "magnesium": "183mg per 100g", "phosphorus": "110mg per 100g", "potassium": "463mg per 100g", "zinc": "2mg per 100g"}}, "bioactive_compounds": {"myristicin": "1-2% of essential oil content", "safrole": "0.1-0.2% of essential oil content", "eugenol": "trace amounts"}, "bioavailability_notes": "The bioavailability of mace's nutrients can be influenced by factors such as preparation method and individual digestive health. The presence of essential oils may enhance the absorption of fat-soluble vitamins."}
Preparation & Dosage
No clinically studied dosage ranges for mace or its extracts are available, as no human trials have been conducted to establish safe or effective amounts. Consult a healthcare provider before starting any new supplement.
Synergy & Pairings
No synergistic ingredients are identified in the provided research.
Safety & Interactions
Mace consumed in typical culinary amounts is generally recognized as safe, but high doses of myristicin — present in mace essential oil — can cause hallucinations, tachycardia, nausea, and anticholinergic toxicity, with cases documented at nutmeg ingestions above 5 grams. Myristicin may potentiate monoamine oxidase inhibitors (MAOIs), creating a risk of serotonergic or hypertensive reactions when combined with MAOI medications or serotonergic drugs. Mace should be avoided during pregnancy, as myristicin has demonstrated uterotonic effects in animal studies and has been associated with fetal toxicity at high doses. Individuals on anticoagulant therapy should exercise caution, as in vitro data suggests possible platelet aggregation inhibition.