Date: 11/11/2012 Fast Food Contain Harmful Food Additives In America‚ fast food chains are a significant symbol of the American traditional food trends which expand widely and grow fast all over the world. Thus‚ a large number of Americans eat fast food as their daily diet. However‚ these tasty fast foods are highly processed foods which are filled with plenty of chemicals‚ additives and preservatives. By adding these additives and artificial flavorings into fast foods‚ so the food is attractive and
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calories per gram are contained in marshmallows? Introduction Food is the primary source of energy for all living organisms - it is used to replenish and supply energy to the body and provide the nutrients it needs to grow and thrive. In 1824‚ Nicolas Clement came up with the term “calorie” as a unit of heat energy (Calorie n.d.). In modern day‚ calories are often associated with food because the number of calories in food is the measure of how much potential energy that food contains (Painter
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ISSN 0254-4725 Food energy – methods of analysis and conversion factors FAO FOOD AND NUTRITION PAPER 77 Ingested energy (IE) = gross energy (GE) Faecal energy (FE) Combustible gas (GaE) (from microbial fermentation) Digestible energy (DE) Urinary energy (UE) Surface energy (SE) Metabolizable energy (ME) Heat of microbial fermentation Obligatory thermogenesis‚ i.e. excess heat relative to glucose during ATP synthesis Net (metabolizable) energy (NME) Non-obligatory dietary thermogenesis
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Experiment 4.5 Measuring the energy content of a “Dorito” and Popcorn. Using the method as described on page 46 of the textbook‚ measure the energy content of a Dorito and a “Popped” corn kernel. Aim: 1. Compare your results of each food and determine which will give the greatest energy per gram. 2. How much of each food would you need to boil 250mL of water? Hypothesis: (Before you begin‚ what do you think will be the conclusion.) As the Dorito is heated‚ it will release much more heat
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Energy content is an important property of food. The energy your body needs for running‚ talking‚ and thinking comes from the food you eat. Energy content is the amount of heat produced by the burning of 1 gram of a substance‚ and is measured in joules per gram (J/g). Usually‚ fat-rich foods like peanuts and cashews provide more energy than just carbohydrates like marshmallows. You can determine the energy content by burning a portion of food and capturing the heat released to a known mass of
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Energy in food lab report Aim: How much energy there is in food. Hypothesis: If I work out how much the water temperature has risen by burning food underneath water‚ the mass of the water and the mass of food I can work out how much energy was in the food. Introduction: This experiment is about how much energy there is in food. There are a few different types of energy‚ the one we are looking at is chemical energy. Some other types of energy are: thermal energy which is heat‚ magnetic energy which
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2/27/2013 Title: To test for starch Aim: To test certain foods to see if they contain starch Materials: foods containing starch‚ iodine‚ potassium iodine‚ water‚ Benedict’s solution Equipment: test tubes‚ test tube racks‚ water baths (boiling)‚ eye protection Method: 1) Two to three drops of the iodine were dropped in the potassium iodine solution to 2cm cube of the starch suspension. 2) Then a suspension was made up of the foods by mixing it with water. 3) Then two to three drops of the
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Name SOLUBILITY CURVES Answer the following questions based on the solubility curve below. Which salt is least soluble in water .. at 2O° C? 2. How many grams of potassium chloride can be dissolved in 200 g of water at 80° C? IO 3. At 40° C‚ how much potassium _ __nitrate coin be dissoiu$tl ^n 30D.g of water? ------W- ’1 80 70 ...- O --60 0 5© 40 4. Which salt shows the least change 30 In solubility from 0° - 100° C? 20 10 At 30° C‚ 90 g of sodium
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act towards containing communism. The policy of containment meant the U.S. actively prevented the psreading of communism.There were several ways with which the U.S. tried to contain communism some of which were futile and others effective. However‚ for every move the U.S. made the U.S.S.R. had a retaliation. One way with which the U.S. tried to contain communism was with the use of the atomic bomb. The dropping of the atomic bomb in Hiroshima was a method that was used to bring the war between the
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Micro Biology Lab Gram Staining Lab Report Purpose The purpose of this lab was to experiment with a staining technique called Gram Staining. Gram Stains is used to identify and classify bacteria‚ it is a differential stain that allows you to classify bacteria as either gram-positive or gram-negative. The foloowing is a breif summerary of the gram staining procedure. Apply the primary stain Apply Mordant Apply decolorizing agent Apply the secondary stain Bacteria that
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