September 13‚ 2013 2-BPS/ENG03 Prof. De Jesus‚ s. d. Observe a cooking demonstration online‚ in a department store or on television. Write a paragraph that describes how a speaker uses gestures‚ eye contact and vocal variety to hold the audience’s interest. If the speaker uses an audiovisual aid‚ describe how it is being used. I love watching cooking shows on the Food Network or on the Lifestyle Network. My favorite cooking show is Everyday Italian‚ not because I love Italian foods but the
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Title: Quantitative analysis of vitamin C contained in ribena Aim: to determine the amount of Vitamin C in a sample of ribena Materials: * Vitamin C (ascorbic acid‚ C6H8O6) * 4% potassium iodide (KI) * 1M acetic acid (CH3COOH) * N-bromosuccinimide (NBS‚ C4H4BrNO2) Apparatus: * Conical flask * 100 ml volumetric flask * Weighing bottle * Analytical weight balance * Spatula * Funnel Results: Item: | Mass in grams | Mass of weighing bottle with ascorbic
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Is High Vitamin C all it claims to be? These days‚ there is much concern on our consumption of food drink‚ we’re told we do not intake the required daily level of fruit and veg‚ many manufactures claim to provide excellent levels of nutrients‚ This experiment will be carried out to see whether the vitamin c levels claimed by manufacturers are actually present in the drinks‚ this will be done by experimenting various drinks using blue DCPIP solution. The quantity of vitamin C in food and drink
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Vitamins In the early 20th century the discovery of vitamins began. Today there is a chance that there are some vitamins that are still undiscovered. The definition of vitamin is: one of several substances necessary for animal nutrition‚ and occurring in minute quantities in natural foods; numerous types have been distinguished‚ and designated by the letters of the alphabet. Each and every living animal needs vitamins to grow and be healthy. Since the human body can t produce
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Biology SL Internal Assessment What is the effect of heat on vitamin C concentrated in lemon juice? Introduction: “Vitamins are complex organic substances that are needed in very small amounts for many of the essential processes carried out in the body.” 1It is estimated and supported scientifically that only a few mg are filling the daily recommendation‚ which is essential for a healthy living. As most of vitamins cannot be produced by our bodies‚ we need to obtain them from
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decolourised. 5. The volume of the ascorbic acid used to decolourised the DCPIPsolution was recorded. 6. Step 2 to 5 was repeated twice to obtain the average volume of thr ascorbic acid solution used. Part B: Determination of the concentration of vitamin C in pineapple juice 1. A 1.00cm3 syringe was used to transfer 1.00cm3of DCPIP solution into a small test tube. 2. A 5.00cm3 of syringe was filled up with 5.00cm3 of pineapple juice. 3. The needle of the 5.00cm3 was placed at the bottom
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Vitamins Vitamin is defined as any of a group of organic substances essential in small quantities to normal metabolism‚ found in minute amounts in natural foodstuffs or sometimes produced synthetically (Dictionary.com‚ 2012). We need vitamins and minerals for our bodies to function properly. By eating a variety of foods‚ we can often supply our bodies with the necessary vitamins it needs‚ but in some cases it is necessary to take a vitamin supplement as well. By eating a good diet in conjunction
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Rick & Rosalinda Puetter—Personal vitamin/supplement use and practice‚ 6 February 2000. Vitamins‚ Supplements & Their Uses I. Introduction Our interest in vitamins‚ dietary supplements‚ and nutritional biochemistry began in 1994. I in particular was a severe skeptic about supplements in general‚ and thought everything one’s body needed could be supplied from a “healthy diet”. This‚ of course‚ is true to some degree. Healthy diets allow one to live a long and pleasant life. This does not mean
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VITAMINS Introduction Vitamins are organic food substances found only in living things‚ i.e. plants and animals. They are essential for our bodies to function properly‚ for growth‚ energy and for our general well-being. With very few exceptions the human body cannot manufacture or synthesize vitamins. They must be supplied in our diet or in man-made dietary supplements. Some people believe that vitamins can replace food‚ but that is incorrect. In fact‚ vitamins cannot be assimilated without also
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Vitamins Vitamins are vital organic nutrients essential to over all health and are needed for cells and fluids in the body. They are found in all the foods that we eat‚ and must be consumed in small quantities since our bodies cannot make them. They are also available in dietary supplements‚ but those are only suggested if necessary‚ like if the body is not getting enough vitamins from food. Even though vitamins do not supply energy as carbohydrates‚ fats and proteins do‚ they are vital because
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