1 - What is Food Science

1 - What is Food Science - What is Food Science? Jan 6,...

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What is Food Science? Jan 6, 2010 What is Food Science? A combination of biology, chemistry, and physics Biology o Plant tissues Turgur pressure – causes the product to go limp Post-harvest physiology o Muscle foods o Nutrition Denaturing proteins unfolding protein structure exposing binds --< susceptible to outside microbes Raw food diet is used to encourage biological value of products, however there is some heat treatment to foods These enzymes in products are inevitably denatured in the body (gastric juices, pH ~2.0) o Chemistry o Lipid oxidation in model oil system Odour, increased viscosity Exposure of oil to O 2 and light o Non-enzymatic browning Example: toast o Food colours o Protein alterations Physics o Food processing Example: heat processing o Packaging techniques o Storage stability
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1 - What is Food Science - What is Food Science? Jan 6,...

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