from greek “protos” major component in all animal and plant tissues made up of hydrogen,...
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From Greek “protos” Major component in all animal and
plant tissues Made up of hydrogen, oxygen, carbon
and nitrogen
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Source: http://minimalpotential.files.wordpress.com/2007/11/3351.png
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Amino Acids› Building blocks for proteins› 20 amino acids
11 can be made in the body 9 are essential
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Enzymes› Facilitate and accelerate chemical
reactions Antibodies
› Fight illness Hemoglobin
› Transport oxygen in the blood Hormones
› Regulate body functions
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Growth and maintenance› Help grow and repair body tissues› Add structure to body tissues
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Source: http://library.thinkquest.org/11226/image/digest.jpg
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10-35% of intake should be protein Males (18 + y/o): 59-63 grams/day Females (18 + y/o): 44-50 grams/day
Calculation:› 0.8 gram/kilogram of body weight
Infants needs the most protein
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How do you get protein in your diet?
Animal products are the best source› Meat, eggs, milk, legumes, grains,
vegetables
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Supply all essential amino acids in the correct amount for the body to use.› Animal proteins are complete
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Plant proteins are incomplete› Exception: soybean protein
Vegetarians need to eat plant proteins in combination
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It is possible to get too much.› Extra calories› Kidney strain› Mineral loss› Heart disease› Cancer
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What foods do you eat that contain protein?› Are there some that are better than
others?
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What is vegetarianism?
Why become a vegetarian?› Scarcity of food› Religious beliefs› Concern for health or the environment› Concerns about animals
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Semi-vegetarian Pesco-vegetarian Lacto-ovo-vegetarian Lacto-vegetarian Ovo-vegetarian Vegan Fruitarian
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Lower risk of heart disease Lower risk of cancer Less likely to be overweight
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Not getting enough protein Osteoporosis Anemia
Choosing foods to eliminate health risks