SpectroscopyofFoodDyes_001

SpectroscopyofFoodDyes_001 - C121 Laboratory Spectroscopy...

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C121 Laboratory Spectroscopy of Food Dyes Questions you have related to writing up the penny lab: See us during office hrs Recall the handouts posted and discussed last week CALM prelab assignment http://calm.chem.indiana.edu/ Due Monday at 5 PM. There are three office hrs between now and Monday 5PM.
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Some goals for this experiment Understand why certain substances are a given color Use this idea to determine the amount of food dye in a beverage Beer’s Law Solution Concentrations Other molecular level concepts …
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Concerns over use of Food Dyes Possible interaction with DNA: can lead in some cases to DNA damage What is DNA (d eoxyribon ucleic a cid)?
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N N O H N N N H H N H H O N N The DNA double helix is held together through what are known as hydrogen bonds
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Food Dyes are Structurally Similar to DNA Bases Blue 2 How are food dyes approved for use? N N O H N N N H H N H H O N N N O O 3 S H N H O SO 3 - -
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Food Dyes are Structurally Similar to DNA Bases How are food dyes approved for use?
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SpectroscopyofFoodDyes_001 - C121 Laboratory Spectroscopy...

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