Test method – 1

  • Take one hand of black pepper and also take one hand of papaya seeds.
  • Add some amount of black pepper to a glass of water.
  • Pure black pepper settles at the bottom.
  • In the adulterated black pepper, papaya seeds float on the surface of the water.

Test method – 2

  • Spread spice on white paper.
  • Observe the appearance of the sample using the magnifying glass.
  • Black pepper is brown in color. It has a wrinkled surface and has a characteristic smell and pungent taste.
  • The papaya seeds have shrunken smooth surfaces and oval shapes. It is greenish-brown or blackish-brown in color and has a repulsive flavor.