

Turmeric Extract
Curcuma longa L.
- Part, form
- Rhizome · fine powder
- Grades
- 95% powder, granulated, water-dispersible, organic
- Assay
- Curcuminoids NLT 95%, HPLC
- Particle size
- NLT 95% through 80 mesh


Curcuma longa L. · Zingiberaceae
Curcumin 2–5%, Alleppey and Madras
Dried Curcuma longa rhizome, cleaned and milled to mesh. Supplied in Alleppey and Madras grades, with curcumin certified on every lot and lead screened as standard.
Also known as ground turmeric, haldi powder
Specifying Turmeric Powder
Turmeric powder is bought on curcumin, colour and cleanliness rather than a standardised assay. Lead is screened on every lot, because a curcumin test cannot detect lead chromate adulteration.
| Grade | Standardisation | Method | Form | Typical use | Availability | Action |
|---|---|---|---|---|---|---|
| Alleppey powder | Curcumin typically 3–5% | HPLC, per lot | Fine ground, deep orange | Food manufacturing, colour-led use | Standard | Request Alleppey powder |
| Madras powder | Curcumin typically 2–3% | HPLC, per lot | Fine ground, bright yellow | Seasoning blends, food service | Standard | Request Madras powder |
| Fine mesh, 80–100 | Particle size | Sieve | Fine powder | Beverages, smooth sauces | On request | Request Fine mesh, 80–100 |
| Steam-sterilised | Microbiological status | Plate count | Powder | Products with no further heat step | On request | Request Steam-sterilised |
| Organic | USDA NOP or EU Organic | Certificate | Powder | Certified organic lines | On request | Request Organic |
| Whole fingers | Alleppey or Madras finger | HPLC, per lot | Whole dried rhizome | Grinding on receipt, extraction | On request | Request Whole fingers |
Standard grades are held and supplied routinely; grades on request are produced against a confirmed order. Other standardisations, mesh sizes and packs can be quoted to specification.
Typical values for the alleppey and Madras powder. The specification agreed for your order governs.
| Botanical source | Curcuma longa L. (Zingiberaceae) |
|---|---|
| Plant part | Dried rhizome |
| Curcumin | Alleppey 3–5%; Madras 2–3%, HPLC, certified per lot |
| Colour | Deep orange (Alleppey) to bright yellow (Madras) |
| Moisture | NMT 10% w/w |
| Total ash | NMT 7% w/w |
| Acid-insoluble ash | NMT 1.5% w/w |
| Extraneous matter | NMT 1.0% |
| Lead | NMT 3 ppm, ICP-MS, every lot |
| Sudan dyes | Negative |
| Mesh | 60, 80 or 100, to specification |
| Packaging | 25 kg multi-wall paper or PP bags with liner, or as specified |
| Origin | India |
Food manufacturing · Food service · Dietary supplements
Seasoning and spice blends
Madras or Alleppey
Sauces, soups and ready meals
Alleppey, for colour
Bakery and snacks
Madras
Golden milk and beverage mixes
Fine mesh, 80–100
Natural colour
Alleppey
Whole-spice supplement input
Alleppey powder
Supplied with turmeric powder for UK and EU import and supplier approval.
They are curcumin and colour grades. Alleppey carries more curcumin, typically 3–5%, and a deep orange colour; Madras, typically 2–3%, is a brighter yellow. Curcumin is certified on every lot.
Yes, on every lot, by ICP-MS, with a Sudan dye screen. Lead chromate adulteration is not detected by a curcumin assay, so it is tested for separately.


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Tell us the grade, the quantity and the delivery country. We reply within two working days with availability and the specification.