Date: 25 Nov‚ 2004 Objective: 1. To standardize sodium thiosulphate for titration use. 2. To find out the concentration of Vitamin C in the tablet. Theory: This experiment involves titration of redox reaction. Redox reaction means reduction and oxidation. In which oxidizing agent and reducing agent are mixed and oxidize/reduce each other. One losses electron(s) and increase in oxidation number when is oxidized‚ and vice versa. In order to find out concentration of the ascorbic acid in the tablet
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The benefits of vitamin E are now fairly well established. Out of a controversial past it has become clear that vitamin E plays important roles as an antioxidant‚ in your immune system‚ in preventing heart disease and even in helping prevent cancer. As if this wasn’t enough‚ the research continues into other beneficial effects that vitamin E may have. It’s not particularly easy to come by however meaning if you want to get all the benefits you probably should consider a supplement to your
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NAME-FOSU-MENSAH EMMANUEL ID NUMBER-10372921 VITAMINS Vitamins are organic compounds which are needed in small quantities to sustain life. We get vitamins from food‚ because the human body either does not produce enough of them or none at all. An organic compound contains carbon. When an organism cannot produce enough of an organic chemical compound that it needs in tiny amounts‚ and has to get it from food‚ it is called a vitamin. Sometimes the compound is a vitamin for a human but not for some other
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Journal 2011‚ 10:46 http://www.nutritionj.com/content/10/1/46 RESEARCH Open Access Misleading measures in Vitamin D analysis: A novel LC-MS/MS assay to account for epimers and isobars Iltaf Shah1‚ Ricky James1‚ James Barker2‚ Andrea Petroczi1 and Declan P Naughton1* Abstract Background: Recently‚ the accuracies of many commercially available immunoassays for Vitamin D have been questioned. Liquid chromatography tandem mass spectrometry (LC- MS/MS) has been shown to facilitate accurate
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VITAMIN D (CALCITRIOL) INTRODUCTION: Bioactive vitamin D or calcitriol is a steroid hormone that has long been known for its important role in regulating body levels of calcium and phosphorus‚ and in mineralization of bone. More recently‚ it has become clear that receptors for vitamin D are present in a wide variety of cells‚ and that this hormone has biologic effects which extend far beyond control of mineral metabolism. Vitamin D is thus not
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competition among colleges throughout the nation. It is open to college students and the topic for the competition is how Vitamin Water boosts your energy for your daily. Participants need to film a video no longer than 5 minutes to describe how Vitamin Water refreshes their bodies and helps them to have an energetic life every day. Then all participants need to upload their videos to Vitamin Water’s facebook page and people can vote by clicking the “like” button for the video. The video who has the most
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Katrina M November 7‚ 2013 Osteomalacia Osteomalacia is a disease of the bones‚ caused by a Vitamin D deficiency. Because patients with this disease have bones that are soft‚ they are more likely to bow and fracture than stronger‚ healthier bones. This disease can occur in children‚ in which case it is called Rickets. Because Osteomalacia is caused by the lack of Vitamin D‚ easily accessible in our diets‚ it can be turned around and cured. Osteomalacia affects people of all ages‚ and
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Vitamins and Minerals General Concepts: * Divided into two major groups: fat soluble and water soluble * fat soluble: A‚ D‚ E‚ K * requirements vary with species‚ size‚ growth rate‚ environment (temperature‚ presence of toxins‚ etc.) and metabolic function (growth‚ stress response‚ disease resistance) * many species can utilize intestinal bacteria synthesis for meeting vitamin requirements Vitamin
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(neuromuscular spasm) develops. In infants and young children‚ a long-standing calcium intake deficiency‚ in association with suboptimal vitamin D exposure‚ can produce rickets. Indeed‚ in experimental animals and in humans with extremely low vitamin D levels‚ genetic absence of calcitriol (vitamin D–dependent rickets [VDDR] type I)‚ or genetic absence of the vitamin D receptor (VDDR type II)‚ the use of increased calcium supplementation or calcium infusions will prevent and treat rickets. These observations
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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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