Noun. 1. moniker-a familiar name for a person (often a shortened version of a person's given name); Joe's mother would not use his nickname and always called him Joseph; Henry's nickname was Slim.byname, cognomen, nickname, sobriquet, soubriquet.oun. 1. moniker-a familiar name for a person (often a shortened version of a person's given name); Joe's mother would not use his nickname and always called him Joseph; Henry's nickname was Slim.
- Water activity is a better index for microbial growth than water content since microorganism only uses available water of the food sample. Some factors affecting the responses of microorganisms to water activity are the production of metabolites, taxonomic classification and solute concentration.
Many factors affect bacterial growth but the most important ones are: 1  Water -- Bacteria need water to dissolve the food they use for energy and growth. 2  Water allows the food to get into the cells, is used for the many chemical reactions necessary for life and growth, and allows waste products to escape.escribe the conditions favorable to the growth of bacteria in food. Bacteria are everywhere. Some are beneficial, such as those used to make fermented dairy and meat products. Others cause spoilage. And, a small percentage are harmful or pathogenic.