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Thread: Biuret test

  1. #1 Biuret test 
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    Apr 2006
    Is the Biuret test the chem test for protein? What is it and how do you know if there is protein or not?

    Also, anyone have any good sites on tests for glucose, starch, fats, etc??????

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  3. #2  
    Him is offline
    Forum Sophomore Him's Avatar
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    Aug 2005
    I got this from wikipedia:
    Biuret test is used for determining the amount of protein in a food sample. The Biuret test relies on the reaction between copper ions and peptide bonds in an alkaline solution. A violet color indicates the presence of proteins. Proteins give a strong biuret reaction because they contain a large number of peptide bonds. It is possible to use the biuret reaction to determine the concentration of proteins because (for most proteins) peptide bonds occur with approximately the same frequency per gram of material.

    he who forgets...will be destined to remember (Nothing Man - Pearl Jam)
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  4. #3  
    Forum Professor Zwolver's Avatar
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    May 2006
    hehe did you write wikipedia

    yes ... we ALL did
    Growing up, i marveled at star-trek's science, and ignored the perfect society. Now, i try to ignore their science, and marvel at the society.

    Imagine, being able to create matter out of thin air, and not coming up with using drones for boarding hostile ships. Or using drones to defend your own ship. Heck, using drones to block energy attacks, counterattack or for surveillance. Unless, of course, they are nano-machines in your blood, which is a billion times more complex..
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