Milk should contain 8.25% milk-solid-not-fat .3.25% milk fat Milk is .. a true solution for salts, lactose, water- soluble vitamins milk is a colloidal dispersion for proteins and some Ca phosphate a dilute emulsion for fat globules
What is an enzyme? A biological catalyst that promotes and speeds up a chemical reaction without itself being altered in the process. Lowers the activation energies of a substance
Who might be immuno-compromised or have a weakened immune system? Examples of persons with weakened immune systems include those with AIDS; cancer and transplant patients who are taking certain immunosuppressive drugs; and those with inherited diseases that affect the immune system
Heat Treatments bLanching- Heat to deactivate enzymes Pasteurization Heat to kill pathogenic bacteria Sterilization heat to kill all bacteria and other organisms
Meat: Color Myoglobin meat heme-pigment color Purplish-red Hemoglobin blood pigment Oxymyoglobin air combines with meat Bright in its oxidized form Metmyoglobin major discoloration Ferrous to ferric state High temperatures, microorganisms and light speed the reaction
