Cumin seeds are categorized into different grades and varieties based on their quality and specific characteristics. The primary factors considered in grading cumin seeds include their color, size, purity, and overall appearance. Below is a detailed table that outlines the specifications for various grades of cumin seeds: Grade Purity Color Moisture Acid Insoluble Ash Salmonella Europe Quality 99% Brown Max 8% Max 1.75% Absent Singapore Quality 98% Brown Max 8-10% Max 2% Absent USA Quality 99.5% Dark Brown Max 8% Max 1.5% Absent Middle East Quality 98.5% Brown Max 9% Max 1.75% Absent Indian Quality 97% Brown Max 10% Max 2% Absent