Estimating the Vitamin C Concentration in Fruit Juices: A Redox Titration Prelab Assignment – Please turn your answers in on GaView prior to lab 1. How will you prepare a .02% (m/v) NBS solution? Calculations should be in your notebook before arriving to lab. 2. Provide the structure of vitamin C in its reduced form (ascorbic acid)‚ its ionized form (ascorbate ion- this is at equilibrium with reduced form when dissolved)‚ and its oxidized form (dehydroascorbate). 3. Why do you
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This is a documentary released by BBC titled “Sugar VS Fat”‚ starred by Alexander Van Tulleken and Chris Van Tulleken. It is obvious that this is a program about the disadvantage and benefit of sugar as compared to fat. Yet‚ one should not judge the book by its cover‚ for the highlight of this documentary is the deadly combination of processed food with a ratio of 1:1 fat and sugar in it. Obesity is an anciently known problem. Over hundreds of years‚ scientists have estimated some possible cause
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Vitamins vs. chemotherapy and radiation for cancer therapy We have a general understanding of cancer--one-third of cancer patients die in five years. (1) With present therapies‚ only slow annual improvement is expected. Vitamins have been extensively demonstrated in clinic trials. (2)‚ (3) Vitamins can strengthen the immune system to improve regular therapies and safely kill cancer. Here we compare cancer therapy by multivitamins with radiation and most chemotherapies. The big question is: Why are
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Bottled Water vs. Tap Water Water is vital to human life. Humans can live for several weeks on water alone. However‚ they cannot survive for more than a few days without it. In fact‚ a human’s body primarily consists of 55% to 78% water (Geri Walton.) Therefore‚ we need water. Life cannot exist without water. While some people prefer drinking bottled water‚ others prefer drinking tap water. In fact‚ controversy has been placed on the quality and safety of drinking bottled water versus drinking
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Vitamin K is a fat-soluble vitamin that is required for blood clotting and to prevent hemorrhaging. It also plays a role in bone formation and repair. Deficiencies can occur with inadequate dietary intake‚ malabsorption syndrome‚ chronic liver disease and in patients taking antibiotics. There are several forms of vitamin K‚ including K1‚ K2 and K3. K1 is the form found in plants such as spinach‚ broccoli‚ cabbage‚ and cauliflower. Vegetable oils such as olive and soybean also contain small
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Vitamin E is a fat-soluble vitamin found in vegetable oil‚ nuts‚ leafy green vegetables and whole-wheat flour. Vitamin E is an antitoxin that protects your cells against the potentially damaging byproducts of your body’s metabolism. The daily amount of Vitamin E that should taken by a healthy adult is 15 mg or 22 IU (International Units). Vitamin E does many good things for our body. It promotes normal growth and development in younger individuals. It acts as an anti-blood clotting agent
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VITAMINS‚ THEIR TYPES AND USES Vitamins are vital nutrients‚ indispensable to perform various tasks within the human body in order to promote optimal health and prevent various diseases. How do Vitamins work? Although required in minimal quantities these vitamins cannot be synthesised by the human body. Hence‚ they rely on easily available animal and plant sources for replenishment. These vitamins in conjunction with other nutrients help break down proteins‚ thereby stabilising metabolism‚ enabling
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Tap Water Vs Bottle Water Tap Water: Tap water is the most efficient water available. Unfortunately‚ it is also vulnerable to occasional contamination. This is usually locally due to damaged pipes. This type of problem can be fixed in a timely manner. For the most part‚ the water is not much different from bottled water. It can be consumed directly from the pipes without harm. Even when the water is contaminated it is usually not fatal. Water pipes efficiently carry water across the nation as
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Vitamin D Vitamin D: Wonder Pill or Overkill? Wouldn’t it be great if one vitamin could build stronger bones and protect against diabetes‚ multiple sclerosis‚ cancer‚ heart disease‚ and depression? Or even help you lose weight? Researchers have high hopes for vitamin D -- which comes from our skin’s reaction to sunlight‚ a few foods‚ and supplements. Learn the facts in the slides ahead … and see who’s at risk for a "D" deficiency. Vitamin D Boosts Bone Health Vitamin D is critical for strong
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differences of percentage of vitamin C (ascorbic acid ) between the fresh orange juice and artificial orange juice (Sunkist). Problem statement : Does have different types of fruit juice contain similar amount of vitamin c ? Objevtive: To analyse the concentration and percentage of different food sample by using titration method and state whether the percentage and concentration of vitamin C. Methodology: Theory : DCPIP can also be used as an indicator for Vitamin C. If vitamin C‚ which is a good reducing
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