By Aethon Overseas Export Team | Published: December 2024 | Category: Quality Guide
Why Curcumin Content Matters
Curcumin is the primary active compound in turmeric, responsible for its distinctive yellow colour, flavour, and health benefits. Curcumin content varies significantly by variety and growing region — typically ranging from 1.5% to 5%+ in Indian turmeric.
Buyers in the pharmaceutical, nutraceutical, food colouring, and functional food industries specify minimum curcumin content as a key purchasing criterion. Higher curcumin content commands a premium price and is essential for applications requiring therapeutic or standardised extract-grade turmeric.
Indian Turmeric Varieties and Their Curcumin Content
India produces a wide range of turmeric varieties, each with distinct curcumin levels and characteristics:
Standard Commercial Varieties
2–3% CurcuminErode, Salem, Rajapore, Duggirala — widely grown across Tamil Nadu, Maharashtra, and Andhra Pradesh. The most commonly traded grades for general culinary use and food manufacturing.
Premium Varieties
3–4% CurcuminNizamabad Bulb, Alleppey — prized for their rich colour and higher curcumin content. Widely used in the EU and North American markets for premium spice brands and food colouring applications.
High-Curcumin Varieties
5–7% CurcuminLakadong from Meghalaya — the world’s highest curcumin turmeric. Grown in Northeast India’s pristine highlands. In high demand from pharmaceutical, nutraceutical and organic supplement companies globally.
Turmeric Forms Available for Export
Aethon Overseas supplies turmeric in all major export forms:
Finger Turmeric
Whole dried rhizome fingers. Best for extracting oleoresin or grinding at destination. Available in polished and unpolished grades.
Bulb Turmeric
Larger rounded pieces from the primary rhizome. Used in Ayurvedic formulations and traditional food applications.
Turmeric Powder
Fine-ground, mesh 60–100. The most commonly traded form globally. Available in standard and organic certified grades.
Turmeric Oleoresin
Concentrated extract for food colouring, pharmaceutical APIs, and nutraceutical capsule manufacturing.
Key Quality Parameters to Specify
When placing an order for Indian turmeric, specify the following parameters in your purchase order:
| Parameter | Specification |
|---|---|
| Curcumin content | Minimum % as per application (2% food grade, 5%+ pharmaceutical) |
| Moisture | Maximum 10% for whole, 8% for powder |
| Colour value | Measured by ASTA method |
| Volatile oil content | 3–5% typical |
| Foreign matter | Maximum 1% |
| Starch content | Minimum 55% |
| Ash content | Maximum 7% |
| Lead content | Maximum 2.5 ppm (EU limit) |
Lab Testing and Certification
All Aethon Overseas turmeric shipments are tested at NABL-accredited laboratories. The Certificate of Analysis (COA) provided with every shipment includes:
- Curcumin content — tested by HPLC method for highest accuracy
- Moisture content — verified to meet maximum limits
- Colour value — ASTA method measurement
- Ash content — total and acid-insoluble ash
- Pesticide residue — tested to EU MRL standards (multi-residue panel)
- Heavy metals — lead, arsenic, cadmium, mercury within safe limits
- Microbial count — TPC, yeast, mould, E. coli, Salmonella
How to Order Turmeric from India
When enquiring with Aethon Overseas, specify the following to receive an accurate quote and sample:
- Variety preference: standard commercial or high-curcumin Lakadong
- Form: finger, bulb, or powder
- Minimum curcumin %: your required threshold
- Mesh size: for powder orders (60, 80, or 100 mesh)
- Packaging requirement: bulk bags, retail pouches, or private label
- Destination port: for accurate freight quotation
FREQUENTLY ASKED QUESTIONS
Aethon Overseas exports premium Indian turmeric — standard commercial and high-curcumin Lakadong variety — with NABL lab certification. Request samples with COA.
Request Turmeric Samples