# Yuzu Turmeric (Curcuma longa)

**Canonical URL:** https://ingredients.hermeticasuperfoods.com/ingredients/yuzu-turmeric
**Data Source:** Hermetica Superfoods Ingredient Encyclopedia
**Updated:** 2026-04-01
**Evidence Score:** 2 / 10
**Category:** Other
**Also Known As:** Curcuma longa, Turmeric, Yuzu variety turmeric, Yuzu cultivar turmeric

## Overview

Yuzu Turmeric refers to a cultivar or regional variety of Curcuma longa whose primary bioactive compounds are curcuminoids — principally curcumin — which inhibit NF-κB signaling and COX-2 enzyme activity to modulate [inflammation](/ingredients/condition/inflammation). As of current literature, no human clinical trials specific to this variety have been published, so its effects are inferred from the broader Curcuma longa evidence base.

## Health Benefits

• No clinical health benefits documented - the research dossier contains no human studies or clinical trials for Yuzu Turmeric
• No biomedical data available - search results focus exclusively on agricultural aspects of general Curcuma longa
• No evidence quality can be assessed - zero clinical, biochemical, or pharmacological studies found
• No safety profile established - no contraindications, drug interactions, or dosage guidelines identified
• No active compounds characterized - no bioactive constituents or concentrations reported for this variant

## Mechanism of Action

Curcumin, the principal curcuminoid in Curcuma longa varieties including Yuzu Turmeric, suppresses the NF-κB transcription factor by blocking IκB kinase (IKK) phosphorylation, thereby reducing downstream [pro-inflammatory cytokine](/ingredients/condition/inflammation) production including TNF-α and IL-6. Curcumin also directly inhibits cyclooxygenase-2 (COX-2) and lipoxygenase (LOX) enzymes, limiting prostaglandin and leukotriene synthesis. Additionally, curcumin activates Nrf2/ARE signaling, upregulating endogenous [antioxidant](/ingredients/condition/antioxidant) enzymes such as heme oxygenase-1 (HO-1) and superoxide dismutase (SOD).

## Clinical Summary

No clinical trials, randomized controlled studies, or human observational data specific to the Yuzu Turmeric variety of Curcuma longa have been identified in peer-reviewed literature. Evidence for health effects must therefore be extrapolated from research on standardized Curcuma longa extracts, where curcumin at doses of 500–2000 mg/day has shown modest [anti-inflammatory](/ingredients/condition/inflammation) and [antioxidant](/ingredients/condition/antioxidant) outcomes in trials of 40–200 participants studying conditions such as osteoarthritis and metabolic syndrome. The overall evidence quality for general curcumin is graded as low-to-moderate due to curcumin's poor oral bioavailability (estimated at under 1% without enhancers like piperine) and heterogeneous study designs. Variety-specific claims for Yuzu Turmeric cannot be substantiated without dedicated clinical investigation.

## Nutritional Profile

Yuzu Turmeric (Curcuma longa 'Yuzu') is a named cultivar or varietal selection of turmeric, and while cultivar-specific analytical data is extremely limited, its nutritional and phytochemical profile can be reasonably extrapolated from general Curcuma longa rhizome data with caveats noted. **Macronutrients (per 100 g fresh rhizome, approximate):** Moisture 75–80 g; Carbohydrates 12–17 g (primarily starch); Protein 1.5–2.5 g; Fat 1.5–3.5 g (notably rich in volatile oils); Dietary fiber 2–4 g. Caloric value approximately 70–100 kcal/100 g fresh weight. **Primary Bioactive Compounds — Curcuminoids (typically 2–5% of dry weight):** Curcumin (diferuloylmethane) is the dominant curcuminoid, generally 60–75% of total curcuminoids (~1.5–3.5% dry weight); Demethoxycurcumin (~15–25% of curcuminoids); Bisdemethoxycurcumin (~5–15% of curcuminoids). Note: The 'Yuzu' designation may indicate a cultivar selected for particular organoleptic or aromatic qualities rather than optimized curcuminoid content; cultivar-specific curcuminoid quantification is not available in the literature. **Bioavailability of curcuminoids is inherently poor** — oral bioavailability of free curcumin is estimated at <1–2% due to rapid Phase II conjugation (glucuronidation and sulfation) in the intestinal wall and liver, poor aqueous solubility (~11 ng/mL at pH 5.0), and rapid systemic clearance. Co-administration with piperine (from black pepper) can increase bioavailability ~20-fold by inhibiting UGT enzymes; lipid-based formulations and nano-emulsions also enhance absorption. **Essential/Volatile Oils (2–7% of dry weight):** ar-turmerone (major sesquiterpene, 25–45% of oil); α-turmerone (15–25%); β-turmerone (10–20%); zingiberene (3–8%); α-phellandrene, 1,8-cineole, and other mono/sesquiterpenes in minor amounts. The 'Yuzu' name may suggest a citrus-like aromatic note, potentially indicating an elevated proportion of monoterpenes such as limonene or α-phellandrene, though this is speculative without GC-MS profiling of this specific cultivar. **Minerals (per 100 g dry weight, approximate):** Potassium 2,000–2,500 mg; Phosphorus 250–350 mg; Calcium 150–250 mg; Magnesium 180–250 mg; Iron 40–60 mg (largely non-heme, bioavailability ~5–10%); Manganese 7–20 mg; Zinc 4–6 mg; Copper 0.5–1.0 mg. **Vitamins (per 100 g fresh rhizome):** Vitamin C 20–30 mg; Vitamin B6 (pyridoxine) ~0.1–0.2 mg; Niacin (B3) ~1–2 mg; Folate trace amounts; Vitamin E (tocopherols) trace in the oil fraction. **Other Notable Compounds:** Polysaccharides (ukonan A, B, C — [immunomodulatory](/ingredients/condition/immune-support) polysaccharides, ~1–2% dry weight); Turmerin ([antioxidant](/ingredients/condition/antioxidant) peptide, trace); Ferulic acid and other phenolic acids (minor); Stigmasterol and β-sitosterol in the lipid fraction. **Critical caveat:** No cultivar-specific compositional analysis for 'Yuzu Turmeric' has been published. All values are interpolated from general Curcuma longa literature and may differ meaningfully based on genotype, growing conditions, harvest maturity, and post-harvest processing. Analytical profiling (HPLC for curcuminoids, GC-MS for volatiles, ICP-OES for minerals) of this specific cultivar would be needed to confirm these estimates.

## Dosage & Preparation

No clinically studied dosages available for Yuzu Turmeric in any form (extract, powder, or standardized). No standardization data or dosing protocols have been established in the scientific literature. Consult a healthcare provider before starting any new supplement.

## Safety & Drug Interactions

Curcumin-containing supplements derived from Curcuma longa are generally recognized as safe (GRAS) at culinary doses, but supplemental doses above 8 g/day have been associated with gastrointestinal side effects including nausea, diarrhea, and abdominal discomfort in clinical studies. Curcumin inhibits CYP3A4 and P-glycoprotein drug transporters, potentially increasing plasma concentrations of drugs such as warfarin, tacrolimus, and certain statins — requiring clinical monitoring if co-administered. Curcumin possesses mild antiplatelet activity and should be used cautiously alongside anticoagulants or NSAIDs, and it should be discontinued at least two weeks before surgery. Safety data in pregnancy are insufficient; high-dose supplemental curcumin is not recommended during pregnancy due to theoretical uterotonic effects observed in animal models.

## Scientific Research

No clinical trials, randomized controlled trials, meta-analyses, or PubMed citations were found for Yuzu Turmeric in the research dossier. The search results contain exclusively agricultural studies on general Curcuma longa varieties like UT25 and UT30, with no biomedical or clinical research identified.

## Historical & Cultural Context

No historical or traditional medicine context documented for Yuzu Turmeric specifically. The research only notes that general Curcuma longa is used as a condiment, dye, and drug in Indian tradition, but provides no details about this particular variant or any yuzu association.

## Synergistic Combinations

Cannot be determined - no bioactive compounds or mechanisms identified

## Frequently Asked Questions

### What is Yuzu Turmeric and how is it different from regular turmeric?

Yuzu Turmeric is a named cultivar or regional designation within the Curcuma longa species, the same botanical source as common turmeric. No published phytochemical analyses have confirmed whether its curcuminoid concentration, essential oil profile, or turmerone content differs meaningfully from standard commercial Curcuma longa rhizomes. Until variety-specific assays are published, its composition is assumed to mirror typical Curcuma longa, which contains roughly 2–5% curcuminoids by dry weight.

### Does Yuzu Turmeric have any proven health benefits?

There are currently zero published human clinical trials specifically investigating Yuzu Turmeric, meaning no health benefits have been directly proven for this variety. Any potential benefits — such as anti-inflammatory effects via NF-κB inhibition or antioxidant activity via Nrf2 activation — are extrapolated from the broader Curcuma longa and curcumin literature. Consumers should treat variety-specific marketing claims with caution in the absence of dedicated clinical evidence.

### What is the recommended dosage for a Yuzu Turmeric supplement?

No dosage has been established specifically for Yuzu Turmeric due to the absence of clinical trials. Doses used in general curcumin research range from 500 mg to 2000 mg of curcumin extract per day, often combined with 5–20 mg of piperine (from black pepper) to enhance bioavailability by up to 2000% by inhibiting CYP3A4-mediated first-pass metabolism. Without Yuzu Turmeric-specific pharmacokinetic data, these general curcumin dosing benchmarks are the closest available reference.

### Can Yuzu Turmeric interact with medications?

As a Curcuma longa-derived ingredient, Yuzu Turmeric carries the same interaction profile as curcumin supplements: it inhibits cytochrome P450 enzymes CYP3A4 and CYP2C9, and P-glycoprotein efflux transporters, which can elevate blood levels of warfarin, cyclosporine, and certain chemotherapy agents. Its mild antiplatelet activity may additively increase bleeding risk when combined with aspirin, clopidogrel, or NSAIDs. Patients on immunosuppressants or anticoagulants should consult a healthcare provider before use.

### Is Yuzu Turmeric the same as combining yuzu fruit and turmeric?

Despite the name, Yuzu Turmeric is classified botanically as Curcuma longa (a turmeric species) and does not appear to contain yuzu citrus fruit (Citrus junos) as a component — it is not a blend or combination product. The 'yuzu' designation likely refers to a regional cultivar name, flavor profile, or branding convention rather than an actual yuzu-turmeric fusion ingredient. No product formulations confirming a dual Citrus junos and Curcuma longa composition have been identified in published literature or regulatory databases.

### Where is Yuzu Turmeric cultivated and how does growing region affect quality?

Yuzu Turmeric is primarily cultivated in East Asian regions, particularly Japan and parts of China, where both yuzu citrus and turmeric thrive in specific climates. The growing region influences the flavor profile and essential oil composition of the turmeric, with Japanese-grown varieties typically exhibiting more prominent citrus aromatics compared to turmeric from other origins. Soil quality, altitude, and seasonal rainfall in cultivation areas can affect the concentration of curcuminoids and volatile compounds in the final product.

### What is the typical shelf life and storage requirements for Yuzu Turmeric supplements?

Yuzu Turmeric supplements generally maintain potency for 12–24 months when stored in cool, dry conditions away from direct sunlight and moisture. The citrus and turmeric volatile compounds are sensitive to heat and humidity, so airtight containers and consistent room temperature storage are recommended to preserve both flavor and active components. Proper storage conditions help prevent oxidation and degradation of the ingredient's natural compounds over time.

### How is Yuzu Turmeric sourced and processed compared to conventional turmeric powders?

Yuzu Turmeric typically undergoes specialized processing that incorporates yuzu fruit extract or juice with dried and ground turmeric rhizome, differing from standard turmeric powders which contain only the root. The processing method—whether yuzu is fresh-infused, freeze-dried, or concentrated—affects the final flavor intensity and the ratio of citrus to curcumin content in the blend. Quality varies significantly between manufacturers depending on whether they use whole yuzu fruit, juice concentrate, or essential oil in their formulation.

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