Starting from preparation of microorganisms that are laid. Preparation of nitrile resin Then bring the bacteria enter into the test tube 3 tube silicate, nitrate nanam section into the tube just 250 and 1000 concentration.
Start by preparing microorganisms nisin preparation, curing them, then put the bacteria into test tubes and three tubes of nisin put a tube concentration and 250 in 1000.
Starting from the preparation of microbial incubation. Prepare nisin. Then microorganisms put into test tubes and 3 tube. The nisin concentration and just put tube 250 1000.