what is a peptone
Peptones :Small polypeptides that are intermediate products in the hydrolysis of proteins. The term is often used for any partial hydrolysate of proteins as, e.g., bacteriolog â¦ ical peptone, which is used as a medium for the growth of micro-organisms.Enzymatic digests of protein that provide nitrogen in a form that is readily available for bacterial growth.nswered by The Community. Making the world better, one answer at a time. Peptone broth is a material commonly used in a lab. Scientists and research scientists use it to culture the growth of Salmonella and Shigella.