Examine This Report on growth promotion test method
A seed-stock procedure needs to be used for lengthy-phrase storage of cultures. Cultures obtained from the ATCC need to be resuscitated Based on Instructions. If grown in broth, the cells are pelleted by centrifugation. Resuspend in one/twentieth the amount of contemporary upkeep broth, and increase an equal quantity of 20% (v/v in h2o) sterile gly