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
Premium Vitamin C Vitamin
(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
Premium Vitamin D
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
Premium Vitamin D
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
Premium Vitamin D
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
Premium Vitamin D
et.al.‚ 2006) What is vitamin C ? Vitamin C or L-ascorbic acid or L-ascorbate is an essential nutrient for humans and certain other animal species. (Sebastian J. et.al.‚ 2003) Vitamin C is a water-soluble vitamin that is necessary for normal growth and development. It aids in collagen production and reduces fine lines & wrinkles. Collagen loss and disorganisation is part of the process of ageing‚ leading to skin sagging and wrinkle formation. On the other hands‚ vitamin C may include protection
Premium Collagen Scar Vitamin C
Lab Report: MEASUREMENT OF VITAMIN C Introduction Nutritional diseases were once the number one cause of death only a century ago‚ but rarely affect our lives today. The complete lack of vitamin C (ascorbic acid) characterized by dark purple spots on the skin and rotting gums‚ a disease called scurvy‚ took the lives of many sailors up until the mid 1800s when the prevention was discovered. Consequently‚ British sailors became referred to as ‘limeys’ because of their daily habit of eating
Premium Vitamin C Ascorbic acid Titration
of two students required: * vitamin C indicator solution * three 50 mL beakers or medicine cups * one 10 mL graduated cylinder * three disposable pipettes * one stirring rod * Sources of Vitamin C: freshly squeezed OJ‚ bottled OJ‚ frozen OJ‚ canned OJ * Optional: container for waste solutions and source of clean rinse water There are two different preparations (starch-iodine or indophenol) that may be used for the vitamin C indicator solution. Neither is more
Premium Starch Iodine Water
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
Premium Vitamin Metabolism Antioxidant
Vitamin Types Sources Functions Effects of Deficiency RDA Properties C(ascorbic acid) - Blackcurrants Rosehip Strawberries Oranges Lemons Cabbage Tomatoes Potatoes Apples Pears Acts as an antioxidant ‚ prevents heart disease and cancer. Formation of collegen which unites cells as blood vessels‚ helps develop bones and teeth‚ helps white blood cells in fighting infections‚ prevents scurvy‚ necessary for the assimilation of non haem iron in the intestine. Scurvy rare in
Premium Vitamin C Blood