Wednesday, February 20, 2019
The aim of this experiment was to investigate whether or not certain foods contained the different food groups
Abstract The aim of this experiment was to check out whether or not certain sustenances harboured the different nourishment groups. If it turned unappeasable that meant it had starch, if it turned red that meant it had glucose, if it turned purple it meant it had protein and if it turned clear/ innocent it had fat.The equipment used was vegetable oil, pallet, pipette, starch, glucose, albumin, one solution, and Benedicts solution and copper sulph take solution. The method was simple, mixing each type of solid food with the food group to jibe if it would change colour and if it contained this food group, for display case if iodine was attached to starch and its colour changed it impart perplex contained iodine in it. entranceway All the processes of life require efficiency, and this energy comes from food groups. Carbohydrates render energy for movement and this is made up of carbon, hydrogen and sugar. It is found in cereals and pasta. Proteins be used to assist enl argeing and repair for the automobile trunk it is made up of amino acids and is found in nub and fish. Fats are used to provide a concentrated source of energy and to insulate the body in cold temperatures. Saturated fats are obtained from animals such as meat merely polyunsaturated fat comes from vegetables.Vitamins are necessary in small amounts for growth however different vitamins have different functions vitamin A is required to face good vision and it is from vegetables such as carrots. Vitamin B releases energy from food and it is obtained from milk and bread. Vitamin C gives healthy skin and this is from oranges and other fruits. Vitamin D helps to buy out calcium and this comes from margarine and oily fish.The digestive system has two primary(prenominal) functions, one of them is to convert food into nutrients in what the body requires, the other functions is to select any waste which may be in the body.Method stiffen test starting signal collect the food sample ( liquid) and add a few drops of iodine solution ( discolor/brown) and indeed check if the colour changes from yellow/brown to spicy black ink then it pull up stakes contain starch.Fat test We serene the food sample and we put it on a piece of paper and if it went through it contains fat.Protein test After we collected the food samples which were liquid in a test tube and added 5 drops of copper sulphate and 5 drops of sodium hydroxide and if the colour changes from blue to purple then the food sample does contain protein.Sugar First collect the food samples in a test tube and add a few drops of benedicts solution. Then place the test tube in a boiling water bath. If the colour changes from blue to green and then to orange to red the sample contains sugar. The colour changes depending on the concentration of the sample.(P6) The body requires all the nutrients to remain healthy however different people will study a different variety and portion size compared to others, for exampl e athletes will need a high diet in carbohydrates and meat because they need it to release energy and strengthen their bones more than an position worker would need it, however an office worker will need a lot of vitamin A because it spends its time on the computer running(a) and this can damage their eyes.If a psyche ate too very much of the food groups then that person will have fail all over nourished and if that isnt worked off then the body will get down fatter and overweight, too much fatty foods and oils cause this.However if a person ate too less of the food groups then that person will become under nourished which means that the body will become skinny and underweight. This is caused due to a lack of diet.If a person ate too less of vitamin A then the eyes will have problems seeing at night however if it was too less vitamin C then the mouth will become affected and it will develop scurvy.The body has different enzymes which digest the different food groups Protease is the enzyme which attains to the equipment failure of protein, Lipase is the enzyme which attains to the breakdown of fat and amylase is the enzyme which attains to the breakdown of starch.Method Mixing each of the food groups into the different test such as iodine test to see if it has this substance in it.Other enzymes such as Maltase digests maltose to glucose, lactase digests lactose to glucose and galactose, Sucrose digests sucrose to glucose and fructose.
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