Found a great video on YouTube that demonstrates simple as well as professional methods of detecting adulterants in food products.

It covers topics like:

  1. Detecting adulteration of Argemone seeds in Mustard seeds
  2. Detecting adulteration of Argemone oil in Mustard oil
  3. Detecting Kesari Dal in Chana Dal or Arhar Dal
  4. Detecting Papaya Seeds in Black Pepper
  5. Adulteration of colors in Spices
  6. Adulteration of Sugar in Honey
  7. Adulteration of color in Tea

It covers everything from simple physical methods that can be used quickly by everyone  including housewives to professional detection methods that conclusively establishes the presence of adulterants.