30.2 Food and Nutrition fill in.ppt

Unsaturated fats are usually liquid at room

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Unsaturated fats are usually liquid at room temperature.
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Lesson Overview Lesson Overview Food and Nutrition Food and Nutrition Fats Food manufacturers often modify unsaturated fats in vegetable oils by adding hydrogens (hydrogenated) to them – trans fats. ex. Crisco Packaged snacks – longer shelf life Trans fats are solid at room temperature. Recent studies have suggested that trans fats may be associated with serious health concerns, including heart disease .
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Lesson Overview Lesson Overview Food and Nutrition Food and Nutrition Proteins Supply raw materials for growth & repair of structures, such as skin and muscle. Enzymes are made of proteins. Control what goes in & out of your cells Can also transport substances in your cells. Used as an energy source when other nutrients are in low supply.
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Lesson Overview Lesson Overview Food and Nutrition Food and Nutrition Proteins Proteins are made of amino acids (monomers). The body is able to synthesize only 12 of the 20 amino acids used to make proteins. The other 8 are called essential amino acids and must be obtained from the foods that you eat. Meat, milk, eggs, fish, quinoa generally contain all eight essential amino acids. Most foods derived from plants do not. People who don’t eat animal products must eat a combination of plant foods, such as beans and rice, to obtain all of the essential amino acids.
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Lesson Overview Lesson Overview Food and Nutrition Food and Nutrition Vitamins Organic molecules that the body needs in very small amounts Needed by the body to help perform important chemical reactions. Most vitamins must be obtained from food - However, the bacteria that live in the large intestine can synthesize vitamin K and vitamin B12.
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Lesson Overview Lesson Overview Food and Nutrition Food and Nutrition Vitamins 2 types of vitamins: fat -soluble and water -soluble. Fat-soluble vitamins A,D,E,K - can be stored in small amounts in the fats tissues of the body for future use. - too much can be toxic Water-soluble vitamins, vitamin C and the B vitamins, dissolve in water and not be stored in the body. - need to eat everyday !
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Lesson Overview Lesson Overview Food and Nutrition Food and Nutrition 14 Essential Vitamins
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Lesson Overview Lesson Overview Food and Nutrition Food and Nutrition 14 Essential Vitamins
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Lesson Overview Lesson Overview Food and Nutrition Food and Nutrition Minerals Inorganic
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