Metanil yellow and lead chromate commonly used yelow colured substance for adulteration in Turmeric These chemicals have ill effects on our health. As these spices are needed in small quantities it is better to have to be processed in our homes
Sudan is a synthetic dye which is used for adulterating chilly powder to impart red colour which will be appealing to the consumers. The use of sudan is proved to be carcinogic.
