Intrinsic and extrinsic factors affecting microbial growth in food pdf
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The Intrinsic and Extrinsic Parameters of Foods That Affect Microbial Growth. Factors influencing microbial growth in food. Extrinsic factors A variety of intrinsic and extrinsic factors determine whether microbial growth will preserve or spoil foods, as shown in Table The ability of microorganisms to grow and sustain within a food product is deter-mined based on the food composition and the environment, applied processing conditions, and the storage conditions of the food product throughout its shelf-life. These factors determine the microbial growth in food and the specific metabolic pathways they use to generate energy and metabolic by-products Intrinsic factors are defined as the characteristics inherent to the food matrix A thorough understanding of how the intrinsic and extrinsic factors are used in a multicomponent approach is essential for ensuring food safety and quality. The characteristics and effects of these factors on microbial survival and growth will be discussed within this chapter Intrinsic factors are those that are characteristic of the food itself; extrinsic factors are those that refer to the environment surrounding the food In this review article, the different parameters, mostly intrinsic, extrinsic, implicit, and processing, that have an impact on the microbial growth in the food environment has been The intrinsic, extrinsic factors, implicit factors of food, and various food processing methods respectively play a role in microbial growth. As our foods are of plant and animal origin, it is worthwhile to consider those characteristics of plant Extrinsic factors are factors in the environment external to the food, which affect both the microorganisms and the food itself during processing and storage. Intrinsic factors are present in food system together and exert effects on microbial growth in combination, either favorably or A thorough understanding of how the intrinsic and extrinsic factors are used in a multicomponent approach is essential for ensuring food safety and quality.