An Excessive Heat Warning is in effect on July 30, 2014 for La Paz, Maricopa, Pinal, and Yuma Counties until July 31, 2014 8 PM. Learn more about how to stay safe in extreme heat and stay informed about future heat alerts.

Food Safety and Environmental Services

Food Equipment Cleaning and Sanitizing

Home | Water Chemisty & Quality | Water Impurities | Characteristic of Food Soils | Sanitizer Properties

Food Equipment Cleaning and Sanitizing: Water Chemistry and Quality, Characteristics of Food Soils

Table 2 - Characteristics of Food Soils
Surface Deposit Solubility Ease of Removal Heat-Induced Reactions
Sugar Water soluble Easy Carmelization
Fat Alkali soluble Difficult Polymerization
Protein Alkali soluble Very Difficult Denaturation
Starch Water soluble, Alkali soluble Easy to Moderately Easy Interactions with other constituents
Monovalent Salts Water soluble; Acid soluble Easy to Difficult Generally not significant
Polyvalent Salts Acid soluble Difficult Interaction with other constituents