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Microbial Growth: cell number Chapter 6: Microbial Growth
www.lamission.edu2 Food Spoilage Temperatures Requirements for Growth Physical Requirements 2.pH: 4Most bacteria prefer neutral pH (6.5 -7.5). 4Molds and yeastgrow in wider pH range, but prefer pH between 5 and 6. 4Acidity inhibits most microbial growth and is used frequently for food preservation (e.g.: pickling).