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Food and Nutrition
Dylan RichardsM5
21st May 2014Ms. Rogers
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CONTENTS
TASK 1 NUTRIENTS
SECTION 1.1 - DEFINITION OF NUTRIENTS 4SECTION 1.2 SIX MAIN NUTRIENTS
TASK 2 MACRONUTRIENTS
SECTION 2.1 PROTEIN 5SECTION 2.1.1 ROLE IN BODYSECTION 2.1.2 DAILY REQUIREMENTSSECTION 2.1.2 FOOD SOURCESSECTION 2.2 - CARBOHYDRATESSECTION 2.2.1 ROLE IN BODYSECTION 2.2.2 DAILY REQUIREMENTSSECTION 2.2.3 FOOD SOURCESSECTION 2.3 LIPIDSSECTION 2.3.1 ROLE IN BODY
SECTION 2.3.2 DAILY REQUIREMENTSSECTION 2.3.3 FOOD SOURCES
TASK 3 MICRONUTRIENTS
SECTION 3.1 FOUR MICRONUTRIETS AND FOOD SOUCES 6SECTION 3.2 ROLE IN BODY WITHR EXAMPLES
TASK 4 WATER
SECTION 4.1 ROLE IN BODY 7SECTION 4.2 FOUR FOOD SOURCES
TASK 5 FOOD SELECTION MODELS
SECTION 5.1 HEALTHY LIVING PYRAMID 8SECTION 5.1.1 PURPOSESECTION 5.1.2 FEATURES
SECTION 5.1.3 DISADVANTAGES AND ADVANTAGESSECTION 5.2 AUSTRALIAN GUIDE TO HEALTHY EATING 9
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SECTION 5.2.1 PURPOSESECTION 5.2.2 FEATURESSECTION 5.2.3 DISADVANTAGES AND ADVANTAGES
TASK 6 CONSUMPTION IN LAST 24 HOURS
SECTION 6.1 TABLE 10SECTION 6.2 FOOD SELECTION MODEL
TASK 7 DIETING
SECTION 7.1 DESCRIPTION 11SECTION 7.2 COMPARISON WITH FOOD SELECTION MODELSECTION 7.3 SUGARS AFFECT ON HEALTH
BIBLIOGRAPHY 12
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TASK 1 NUTRIENTS
1.1 A Nutrient is a source of nourishment
1.2 Food sources include carbohydrates, protein, fat, vitamins, minerals andwater.
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TASK 2 MACRONUTRIENTS
2.1 PROTEIN
2.1.1 Proteins function in the human body is to build new cells and fix damagedcells in the body. During certain stages of human life, protein is especiallysignificant for growth. They also maintain muscle mass, hormone production,enzyme production, maintenance of immune system and to provide energy whencarbohydrates are not available.
2.1.2 10-35% protein is required for a healthy diet.
2.1.3 - Protein is found in egg and beans
2.2 CARBOHYDRATE
2.2.1 - Carbohydrates function in the human body is to provide energy.Carbohydrates are significant for your brain, nervous system, kidneys andmuscles.
2.2.2 45-65% carbohydrates is required for a healthy diet.
2.2.3 Carbohydrates are found in potatoes and watermelon.
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TASK 3 MICRONUTRIENTS
3.1 Iron red meatCopper nutsChromium wheat breadZinc Beans
3.2 Micronutrients help with healthy growth and development. Calcium contributes to development of bones and teeth. Iron contributes to metabolismand energy balance. Magnesium contributes to the prevention of heart diseaseby controlling the rhythm of heartbeats and muscular activity in the heart.
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TASK 4 WATER
4.1 - Waters role in the human body is essential because it helps nearly ever partof the human body to work well. Water brings nutrients and oxygen to all cells inthe human body; water moistens oxygen and is required for breathing.
4.2 Food sources containing water include: cucumber, pineapples, grapefruitand strawberries
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TASK 5 FOOD SELECTION MODELS
5.1 HEALTHY LIVING PYRAMID
5.1.1 - The healthy living pyramid is a guideline to show what type of foods weshould have in our diet and in what proportions we should eat them, it ispresented in a pyramid. There are guidelines to indicate that exercise is neededin a healthy diet, the amount of water needed in our diet and how much salt.
5.1.2 - The bottom layer of the pyramid features the healthiest food and that areessential to a healthy diet. These foods must be eaten more than both of theabove sections. Another feature of this pyramid is the feet underneath thepyramid and the white text Move More.Move More, which indicates thatexercise is essential for a healthy diet. A 3 rd feature of this pyramid is the tap andsaltshaker along the side of the pyramid which is encouraging waterconsumption and to not use salt in order to sustain a healthy diet.
5.1.3 - An advantage of this diagram is that it is providing guidelines on how tohave a healthy diet and if it is followed the outcome will be beneficial. Adisadvantage however is that the diagram does not include an exact amount ofhow much of each section can be eaten, how much water should be drunk andhow much
exercise isrequired for ahealthy diet.
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TASK 5 FOOD SELECTION MODELS
5.2 AUSTRALIAN GUIDE TO HEALTHY EATING
5.2.1 - The Australian guide to healthy eating is a guideline that groups differenttypes of foods to show how to maintain a healthy diet, it is presented in a circlediagram. It also indicates how much of an array of unhealthy foods should beeaten and how often.
5.2.2 - The yellow section of the circle presents a variety of foods that areclassified as grain (cereal) foods. The yellow section is bigger than a quarter ofthe circle meaning that more than a quarter of your diet should consist of cerealshigh in fiber. There is a small section on the bottom left corner that indicates thatcanola oil, olive oil, vegetable oil and margarine that should be used in smallamounts. Another feature of this diagram is the glass of water in the top rightcorner and should be consumed as much as vegetables and beans.
5.2.3 - An advantage of this diagram is that the main categories of food and howmuch should be consumed in a healthy diet are shown. A disadvantage of thisdiagram is that there is no exact amount of how much food should be consumed.
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TASK 6 FOOD SELECTION MODELS
6.1 -
6.2 - Fish is a difficult food to place into the food selection model. This is becausenot every fish will be equal in size, which can alter the amount of protein,carbohydrate, and fat the consumer is consuming. If the food selection modelprovides an exact weight/length to categorize how much should be eaten, itwould be heard for the consumer to match those measurements exactly.
Australian guide to healthy eating Healthy living pyramidWater, carrots, lamb, lettuce, tomatoes,cheese, cucumber, white-bread, egg,bacon, butter, milk
Egg, bacon, carbonated soft drinks,lettuce, corn chips, avocado, carrots,lamb, tomatoes, cheese, cucumber,white-bread, water, butter, milk, tuna
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TASK 7 DIETING
7.1 Dieting is the act of consuming a regulated amount of food usually tocontrol ones body weight.
7.2 Day 1 for the Jenny Craig 5000kj planned menu is: oven baked muesli, cup non fat milk, 1 orange, hearty beef pie, garden salad, 1 carrot, cheese twists,1 apple, chicken fettuccine, 1 cup broccoli, 1 cup green beans, 1 cup zucchini, 2/3cup fat free yoghurt. When compared to the healthy living pyramid we see thatevery section of the pyramid is used in this diet.
7.3 The overconsumption of eating foods high in sugar regularly has a negativeaffect on physical health. Sugar can cause tooth decay and can overload the liver.Overloading the liver with sugar can cause liver diseases. Sugar also has theability to give you cancer, it is addictive and can cause you too put on excessweight.
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BIBLIOGRAPHY
First reference: http://www.thefreedictionary.com/Nutrients
Second reference: http://healthyeating.sfgate.com/6-essential-nutrients-
functions-4877.html
Third reference: http://www.worldofmolecules.com/foods/
Fourth reference: http://www.self.com/blogs/flash/2011/08/6-high-fat-foods-
that-are-good.html
Fifth reference: http://www.marieclaire.com/health-fitness/advice/water-rich-
foods-to-beat-bloat
Sixth reference: http://www.livestrong.com/article/355090-what-are-
functions-of-proteins-carbohydrates-fats-water-vitamins-and-minerals/
Seventh reference: http://www.livestrong.com/article/436094-what-role-do-
micronutrients-play-in-the-body/
Eighth reference:
http://www.nutritionaustralia.org/national/resource/healthy-living-
pyramid#.U4SJ4pSSxsY
Ninth reference: http://www.eatforhealth.gov.au/guidelines/australian-guide-
healthy-eating
Tenth reference:
http://www8.nationalacademies.org/onpinews/newsitem.aspx?RecordID=1049
0
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