tamin C‚ ascorbic acid‚ is one of the most important vitamins found in citrus juices‚ including orange juice. Often projects find that orange juices made from frozen concentrated orange juice (FCOJ) have the highest vitamin C levels as compared to freshly squeezed or not-from-concentrate (NFC) juices. This is probably due to the fact that vitamin C degrades over time in fresh and NFC‚ but doesn’t degrade as much in FCOJ due to it being frozen until reconstitution. If one is comparing a NFC product
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IB Biology Lab – Vitamin C content of food Aim: To compare the vitamin C content of different fruits using the decolourisation of DCPIP from blue to clear as the indicator. • You first need to estimate the volume of a known concentration of vitamin C solution required to decolourise 2 cm3 of DCPIP solution. • Then you need to determine the volume of fruit juice that decolourises 2 cm3 of DCPIP solution. This gives an estimate of the concentration of vitamin C in fruit juice. • This
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Determination of Vitamin C by an Iodometric Titration Purpose: The goal of this lab is to determine the concentration of vitamin C in juices and Real Lemon. A redox titration‚ involving an iodometric method‚ will be used to do the analysis. The samples will be classified by their Vitamin C content. Introduction: Although most mammals can synthesize vitamin C‚ or ascorbic acid (C6H8O6)‚ from sugars‚ man must ingest considerable quantities of this substance. The National Academy of Sciences recommends
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Investigating the vitamin C content of fruits and fruit juice Aim: In this investigation‚ I aim to measure and compare whether there is a higher content of vitamin C in a fruit or a juice by measuring the volume of the sample required to decolourise a solution of dichlorophenolindophenol (DCPIP). Introduction: For this experiment‚ I aim to investigate and compare the content of vitamin C in the fruit against the fruit juice. The theory of this method is a titration with dichlorophenolindophenol
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VITAMINS‚ THEIR TYPES AND USES Vitamins are vital nutrients‚ indispensable to perform various tasks within the human body in order to promote optimal health and prevent various diseases. How do Vitamins work? Although required in minimal quantities these vitamins cannot be synthesised by the human body. Hence‚ they rely on easily available animal and plant sources for replenishment. These vitamins in conjunction with other nutrients help break down proteins‚ thereby stabilising metabolism‚ enabling
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Soluble Vitamins Anna Gamblin‚ UOP Both fat soluble and water soluble vitamins are nutrients that a person needs in their diet to keep up to optimal health. Vitamins and minerals are an essential necessity that our bodies need to function properly every day. Different vitamins do different things for us‚ but all are very important. You can get these different vitamins either through a balanced‚ nutritious diet‚ dietary supplements or a combination of the two. The two kinds of vitamins that are
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Fat and Water Soluble Vitamins Every day‚ your body produces skin‚ muscle‚ and bone. It churns out rich red blood that carries nutrients and oxygen to remote outposts‚ and it sends nerve signals skipping along thousands of miles of brain and body pathways. It also formulates chemical messengers that shuttle from one organ to another‚ issuing the instructions that help sustain your life. To do all this‚ your body requires raw materials. These include vitamins that your body needs but cannot manufacture
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Benefits of Vitamin E In this article we will look at the benefits of vitamin E. Vitamin E is a fat soluble vitamin found in many foods‚ especially certain fats and oils. It is a powerful antioxidant that protects the body from damage caused by free radicals. Vitamin E has many other health benefits also. First of all‚ to fully understand the importance of the effect of vitamin E on free radicals‚ you must understand what a free radical is and what it can do to your body. A free radical is an
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Chapter 9 1) Approximately how much water do you need each day to stay healthy? Water constitutes 50% to 70% of the human body. Its unique chemical properties enable it to dissolve substances as well as serve as medium for chemical reactions‚ temperature regulation and lubrication (found in the knees and other joints of the body); it also aids in regulating the acid base balance in the body. It helps remove waste from the body and is the basis for saliva‚ bile and amniotic fluid. It is
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Vitamin D HW205 Kaplan University Vitamin D is actually not classified as a vitamin. It is considered a prohormone and its active form functions as a hormone. In the earlier years Vitamin D was always associated directly with milk. As the progression of research has shown‚ Vitamin D is prominent in many foods. The most vitamin D rich foods are milk‚ margarine‚ fortified cereals‚ fortified orange juice‚ canned tuna and other fish such as mackerel and salmon‚ and some whole
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