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Protein Research

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Submitted By steveo1107
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Protein Article Research

University of Phoenix

I use to think of meats or a powdered substance in a big plastic container when I saw the word protein. I now know proteins come in many different forms, and not only from the above mentioned sources. According to “Centers for Disease Control and Prevention” (2012), “The protein in the foods we eat is digested into amino acids that are later used to replace these proteins in our bodies” (Nutrition for Everyone). Proteins in our diet can be found as either complete or incomplete proteins. A complete protein contains all of the essential amino acids. These are sometimes called high quality proteins. Animal-based proteins such as meat, fish and milk are considered complete proteins. An incomplete protein is one that lacks one or more of the essential amino acids. Two or more incomplete proteins consumed together form a complementary protein when they are low in different acids. Together two incomplete proteins can offer all of the essential amino acids the body needs. According to Grosvenor (2006), amino acids are “conditionally essential” meaning they are only needed in certain situations to make proteins the body cannot produce on its own. The nitrogen in amino acids distinguishes protein from fat or carbohydrates. Amino acids provide the nitrogen needed to make a protein. Our DNA provides the roadmap for breaking down proteins and creating other proteins (Nutrition; Everyday Choices). A person’s recommended intake of protein is 10-35% of your daily calorie intake. This percentage varies based on age, for example, a four-year-old needs to consume 19 grams of protein a day versus a 50-year-old needing 56 grams. Gender also plays a role in the amount of protein needed. For example see the chart provided by “Nutrition; Everyday Choices”:

Recommended Dietary Allowance for Protein | | Grams of protein...

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