Nutrition:Protein

Chapter 10Lesson 2Page 260

Analyzing Protein

Objective 1:Objective 1: Identify the role of protein in Identify the role of protein in your body.your body.

Objective 2: Objective 2: Be able to identify where you Be able to identify where you could obtain the 9 essential amino acids.could obtain the 9 essential amino acids.

Objective 3: Objective 3: Give an example of how to Give an example of how to make incomplete proteins complete by make incomplete proteins complete by combining foods.combining foods.

Objective 4:Objective 4: Analyze and evaluate if the Analyze and evaluate if the use of rBHT (growth hormone) and/or use of use of rBHT (growth hormone) and/or use of antibiotics should be used in our animals antibiotics should be used in our animals (food supply)(food supply)

The Role of Proteins

Protein: Protein: Nutrients the body uses to build and Nutrients the body uses to build and maintain its cells and tissues. maintain its cells and tissues.

10-15% of your daily calories should come from 10-15% of your daily calories should come from protein.protein.

Muscles, bones, skin, and internal organs are all Muscles, bones, skin, and internal organs are all constructed of protein.constructed of protein.

Protein helps your body grow during childhood and Protein helps your body grow during childhood and adolescence.adolescence.

The protein hemoglobin in your red blood cells carry The protein hemoglobin in your red blood cells carry oxygen.oxygen.

Protein does not supply energy as quickly as Protein does not supply energy as quickly as carbohydrates do, but can be used as an energy carbohydrates do, but can be used as an energy source. (see pg. 260 for how much protein you need)source. (see pg. 260 for how much protein you need)

Amino Acids

Protein is made up of chains called, Protein is made up of chains called, Amino AcidsAmino Acids

Your body can manufacture all but 9 Your body can manufacture all but 9 of the 20 different amino acids that of the 20 different amino acids that make up proteins.make up proteins. These 9 amino acids are known as These 9 amino acids are known as

Essential Amino AcidsEssential Amino Acids These 9 you have to get from foods.These 9 you have to get from foods.

So where do we get them?So where do we get them?

Complete Proteins

Complete ProteinsComplete Proteins Contain adequate amounts of all nine Contain adequate amounts of all nine

essential amino acids.essential amino acids. Found in animal productsFound in animal products

FishFish MeatMeat PoultryPoultry EggsEggs Dairy Products; milk, cheese, yogurtDairy Products; milk, cheese, yogurt Soy (is a versatile bean) is a good Soy (is a versatile bean) is a good

source of protein for vegetarians or veganssource of protein for vegetarians or vegans

Incomplete Proteins

Incomplete ProteinsIncomplete Proteins Lack one or more of the essential amino Lack one or more of the essential amino

acidsacids SourcesSources

Beans, peas, nuts, and whole grainsBeans, peas, nuts, and whole grains If you were to combine peanut butter and If you were to combine peanut butter and

bread, that would give you a complete proteinbread, that would give you a complete protein You don’t have to combine the incomplete You don’t have to combine the incomplete

proteins in one meal, you just need to eat proteins in one meal, you just need to eat them over the course of the day!them over the course of the day!

Vegetarians

Do not eat meatDo not eat meat There is a difference between vegetarians There is a difference between vegetarians

and vegans. What is it?and vegans. What is it? May have a challenge getting protein, so how May have a challenge getting protein, so how

do they?do they? Eggs, Milk, Cheese, YogurtEggs, Milk, Cheese, Yogurt Beans, legumes, grains, nuts, seedsBeans, legumes, grains, nuts, seeds

Combining foods carefully is the keyCombining foods carefully is the key Ex: Legumes + GrainsEx: Legumes + Grains Ex: Nuts + SeedsEx: Nuts + Seeds

Videos

Pass out worksheet “Should animals be Pass out worksheet “Should animals be regularly fed antibiotics”?regularly fed antibiotics”?

Antibiotic Risks to Humans:Antibiotic Risks to Humans:http://www.youtube.com/watch?v=CJDymQ7kjNcwww.youtube.com/watch?v=CJDymQ7kjNc

Superbug found in Chicken:Superbug found in Chicken:http://www.youtube.com/watch?v=fX-oeYZZsL8http://www.youtube.com/watch?v=fX-oeYZZsL8

FDA to regulate antibiotics in meat productionFDA to regulate antibiotics in meat production http://abcnews.go.com/Health/video/fda-regulate-antibiotics-

meat-production-21182502