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Ascorbic acid content of fruit juice
Member rating: No Rating | Words: 2139 | Submitted: Wed Oct 31 2007
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Lab 3: Ascorbic acid content of fruit juice OBJECTIVE To determine ascorbic acid content in a sample of fruit juice by using titration method with 0.001M 2,6-dichlorophenolindophenol, C12H7O2NCl2. INTRODUCTION Structure of Ascorbic acid Ascorbic acid, the chemical term for vitamin C, are found naturally in fruits and green vegetables. It is a dietary requirement for normal metabolism, formation of collagen, wound healing, and tissue repair. Ascorbic acid is often used as an antioxidant to help prevent free radical damage in the skin, builds resistance to infection, aids in the prevention treatment of the common cold, and aids in the absorption of iron. Yet, vitamin C cannot be synthesized by the body, and needs to be ingested. A lack of vitamin C can cause abnormalities of the spine, scurvy, and a reduction in the ability of the body to heal wounds. The determining factors as to whether organic substances can be determined...
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