Microsoft PowerPoint - Food Packaging

Microsoft PowerPoint - Food Packaging - Food Packaging Food...

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Unformatted text preview: Food Packaging Food Packaging Early Methods Early Methods Smoking- Dries the Food- Enhances the Flavor- Beef, Ham, Bacon, Fish- Adds Formadehyde H a m ' s s u b s t a n t i a l , h a m i s f a t H a m i s f i r m a n d s o u n d . H a m ' s w h a t G o d w a s g e t t i n g a t W h e n H e m a d e p i g s s o r o u n d- - - - - R o y B l o u n t J r . Early Methods Early Methods Drying/Dessication/Dehydration- Sun / Wind / Ovens- Meat and Fruit Early Methods Early Methods • Salting- Day-Salting and Pickling- Rock Salt / Sea Salt / Spiced Salt- Cheese / Olives / Hams / Eggs Old recipe for Salt Curing Ham, this method can preserve a Ham for years. For a 20 lb. ham: o 3 Tablespoons Brown Sugar o 2 Tablespoons Black Pepper o 1 Teaspoon Red Pepper o 2 Cups Salt Mix the ingredients together and rub onto the skin-on ham, paying special attention to the hock. Then the ham is wrapped in paper, then wrapped in cloth, then placed in a cloth bag and hung with the hock down. The ham is hung in a well ventilated, dark and secure building. The ham "drips" for about two months and is ready to eat in about 6 to 9 months and is edible for 3 to 4 years. Hams continued to stay edible right up until they are completely dried out. Where Else Has Salting Been Used? Where Else Has Salting Been Used? • M ummification is the preservation of a body, either animal or human. The Egyptian mummies were deliberately made by drying the body. By eliminating moisture, you have eliminated the source of decay. They dried the body by using a salt mixture called natron. Natron is a natural substance that is found in abundance along the Nile river. Natron is made up of four salts: sodium carbonate, sodium bicarbonate, sodium chloride, carbonate, sodium bicarbonate, sodium chloride, and sodium sulfate. The sodium carbonate works as a drying agent, drawing the water out of the body. At the same time the bicarbonate, when subjected to moisture, increases the pH that creates a hostile environment for bacteria. The Egyptian climate lent itself well to the mummification process, being both very hot and dry. Early Methods Early Methods Honey- Preserving Fruit- Healing- High Sugar Content r HISTORY: r Besides being used as food, it was used as medicine -- more than half remedies prescribed by Egyptian doctors contained honey. Ancient Egyptians, Greeks, and Romans spread honey on wounds to hasten their healing -- So, did German Field Medical personnel during World War I. Even as Late as 1970 in England, surgeon announced he was using honey on open a surgeon announced he was using honey on open wounds after surgery -- and had fewer bacterial infections than similar wounds treated with antibiotics. Honey proved to be an effective disinfectant; It hastened healing; and bacteria did not develop resistance to it, as often happens with antibiotics. Early Methods Early Methods Yogurt and Cheese Making to Preserve Milk- Easier to Transport- Lengthen Time Possible to Use r A Legend L egend tells that yoghurt was born on the slopes of Mount...
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This note was uploaded on 06/21/2011 for the course CHE 774 taught by Professor Prof.rafigh during the Spring '11 term at Sharif University of Technology.

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Microsoft PowerPoint - Food Packaging - Food Packaging Food...

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