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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com/archive.php Research article VITAMIN D DEFICIENCY IN THE WELL FED CLASS OF PAKISTAN: THE POSSIBLE CAUSES AND TRENDS Yusra H. Siddiqui *‚ Rashid Minhas‚ Adnan Yaqoob‚ Samina Shakeel Department of Biochemistry‚ Quaid-e-Azam University‚ Islamabad‚ Pakistan This population-based survey was conducted to determine frequency of vitamin D deficiency in the twin cities of Pakistan. 1000 patients were evaluated for tests of circulating 25-hydroxy-vitamin D (25-OHD) levels using electrochemiluminescence
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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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October 14‚ 2011 Vitamin B12 Deficiency Vitamin B12 deficiency is also known as Cabalamin‚ it is a water-soluble vitamin that helps to maintain the healthy central nervous system and the formation of the red blood cells. Usually water soluble vitamins can’t be stored by the body. However‚ Vitamin B12 is a special kind of vitamin that can be stored in the liver for years. It is also needed to make the DNA material that exists in every cell. The average adult needs 2.4 microgram of vitamin B12 daily. Pregnant
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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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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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(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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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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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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