Spices & Coffee Trade

Turmeric for Export: Curcumin Content, Grades and Quality

How to buy turmeric for export — fingers vs bulbs, polished vs unpolished, curcumin percentage, Alleppey and Erode turmeric, quality tests and EU requirements.

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India produces most of the world's turmeric. For buyers, the key question is usually curcumin content, the compound behind its colour and much of its value.

Trade guidance only. Specifications, limits and regulations change, so confirm the current requirements and agree the exact specification in your contract.

Forms

Form Notes
Fingers The main rhizome branches, the most traded form
Bulbs The central rhizome, usually priced lower
Polished Cleaned and smoothed for a brighter look
Unpolished Natural appearance
Powder Ground, for retail and food manufacturing

Curcumin

Curcumin content varies by variety and growing region, from low single digits to higher-curcumin varieties. Alleppey turmeric (Kerala) is known for high curcumin and deep colour. Erode turmeric (Tamil Nadu) is a major trading variety.

Quality checks

  • Curcumin %
  • Moisture
  • Foreign matter and ash
  • Colour
  • Lead and heavy metals: adulteration with lead chromate is a known global risk, so buy from traceable suppliers and test
  • Pesticide residues and microbiology, especially for EU buyers

For EU buyers

Turmeric is subject to EU limits for contaminants such as aflatoxins and pesticide residues. Ask for lab reports per lot. See importing spices into the EU.

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