of sun exposure‚ or vitamin D. An inverse relationship has been researched and found that those diagnosed with a deficiency in vitamin D can be at a higher risk for developing these forms of cancer. According to the American Cancer Society‚ 209‚060 cases of breast cancer‚ 21‚880 cases of ovarian cancer‚ 217‚730 cases of prostate cancer‚ and 102‚900 cases of colon cancer will be diagnosed in 2010 across the United States (1). Adequate intake or supplementation of vitamin D is a factor that can
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INTRODUCTION In our experiment we tested the amount of vitamin C in a certain amount of lemon juice. We did this with the help of PCPIP which is an indicator that shows the presence if C vitamin. For this we used the mentioned indicator‚ pipette‚ three eprouvetes‚ 0.1% of C vitamin solution and lemon juice. First we had to get the volume of 0.1% vitamin C solution that is needed for our amount of PCPIP (2ml) to decolorize. Then we had to determine the volume of lemon juice that is needed to
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Vitamin C also known as ascorbic acid is vital to our body. It can strengthen our body to resist against infection. It is known that deficiency of vitamin C can cause scurvy. Vitamin C is present in various fruits. Since vitamin C is a reducing agent‚ it can be deactivated by a wide range of oxidizing agents including atmospheric oxygen. Therefore‚ precautions are needed to prevent or minimize the degradation of vitamin C during sample preparation. The ascorbic acid exists in two forms which
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Water Soluble Vitamins and Fat SCI/241 Water Soluble Vitamins and Fat The human body requires a large number of vitamins for a number of functions to keep the body alive and running properly. Vitamin D helps balancing hormones and Vitamin C helps with chemical reactions in the human body. Fat-soluble Vitamins and High Nutrient Sources The fat-soluble vitamins consist of A‚ D‚ E‚ and K; they are found in a variety of foods. Vitamin A | Celery‚ basil‚ chili pepper‚ mixed vegetables‚
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stream ------------------------------------------------------------------------------------------------------------- Title of experiment The determination of vitamin C. Aim(s) of the experiment (objectives) To determine the concentration of vitamin C in different kinds of juices. Hypothesis Freshly squeezed juice will have the most vitamin C compared to the other types of juices and drinks‚ because the fruit is picked fresh‚ and it is not stored‚ preserved or exposed to oxygen. Chemicals and
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Determination of the concentration of vitamin C in fruits/vegetables by using the DCPIP test (2008) Principle : Vitamin C is a strong reducing agent. It can decolorize the blue dye DCPIP. The amount of vitamin C in a food sample can be estimated by the amount of it that is used to decolorize a fixed amount of DCPIP. Apparatus : Test tube‚ clean and dry Test tube rack 5 ml syringe or a good quality squeezing pipette 1 ml pipette
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Some cases Vitamin C has been proven harmful. The only reason we believe that Vitamin C is good for us in large doses is because of a man named Linus Pauling. Linus Pauling was an American chemist‚ biochemist‚ peace activist‚ author‚ and educator. He was the only person to receive two noble prizes
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McArthur Vitamin D Milk A. 1. McArthur Farm Grove is located in the Port Saint Lucie‚ South Florida where the climate is tropical with regular rainfall‚ this causes the usual soil composition consisting of rock‚ sand and mud. Shapeflies terrain has been created in South Florida‚ helping farming situations. 2. McArthur farms consist of 8‚500 cows‚ owned by a large corporate farm with a labor force of typical farm employees. 3. McArthur cows are fed waste milk‚ that contains little mastitis
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Effect of Heat on Vitamin C Objective: - To determine whether the concentration of Vitamin C in a fruit juice changes upon heating at a constant temperature for different periods of time. - To investigate how the trend goes (whether the concentration of Vitamin C increases or decreases) if the amount of Vitamin C does change. Theory: - Hypothesis: The concentration of Vitamin C in the fruit juice changes and decreases upon heatingat a constant temperature for increasing periods of time
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deviation of the sampling distribution is equal to 3 years. c) The shape of the sampling distribution is approximately normal. d) The standard error of the sampling distribution is equal to 0.3 years. ANSWER: b 3. Why is the Central Limit Theorem so important to the study of sampling distributions? a) It allows us to disregard the size of the sample selected when the population is not normal. b) It allows us to disregard the shape of the sampling distribution when the size of the population is large.
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