... peptide) is a polypeptide, it is rapidly inactivated in the intestine by digestive enzymes after consumption, Extensive micro-biological tests have ... and their spores which causes food spoilage, and especially inhibits the heat-resistant bacilli, such as B. Stearothermophilus, CI. ... . Sometimes, Nisin can be dissolved directly in the original soup of the food. Nisin can also be used together with ...