Importing turmeric without verifying its quality is one of the costliest mistakes a food buyer can make. Adulteration is widespread — from Sudan dye and lead chromate to starch fillers and synthetic curcumin. This guide gives you a practical, step-by-step checklist to protect your business before you sign any purchase order. 1. Check the Curcumin Content by HPLC Curcumin is the active compound in turmeric responsible for its colour, flavour, and health properties. Always requ