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
Heat Treatments bLanching- Heat to deactivate enzymes Pasteurization Heat to kill pathogenic bacteria Sterilization heat to kill all bacteria and other organisms
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
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
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
