Insights ·
Understanding spice moisture and quality parameters
Moisture, cleanliness, flavour strength and microbiological condition are the core quality parameters for dried spices. Moisture matters most in transit: dried spice that is too damp can develop mould on a long sea voyage.
Moisture
Dried spices are stable because most of their water has been removed. If moisture is too high, mould and quality loss can follow — especially in a sealed container crossing climate zones, where condensation can form. Buyers set a maximum moisture for this reason, and good drying and packing are the main defences.
Cleanliness
- Extraneous matter: stones, stems, chaff and dust.
- Foreign matter: anything that is not the spice.
- Insect damage and mould: visible defects, usually limited to a small percentage.
Cleaning, sorting and grading after drying reduce all three.
Flavour strength
Each spice has a characteristic active component: volatile oil for most spices, piperine for pepper, curcumin for turmeric, and colour and pungency measures for chilli. Buyers who use spice as an ingredient often specify a minimum.
Microbiology
Spices are agricultural products dried outdoors, so they carry natural microorganisms. Buyers in the food industry commonly set limits for pathogens and total counts, and may require steam treatment before shipment.
Residues and contaminants
Many importing countries set maximum residue limits for pesticides and limits for mycotoxins and other contaminants. The applicable limits depend on the destination, so tell your supplier where the goods will be sold.
How parameters are checked
Through agreed sampling and testing: a supplier's own checks, an independent inspection agency, or a laboratory certificate of analysis. Agreeing the method in advance avoids disputes later.
Next step
Read about our quality approach, or send an export enquiry listing the parameters your market checks.