Biology food tests

• Iodine test for... 


  Starch
• Benedicts test for ... 


  Glucose
• Biuret test for... 


  Proteins
• Sudan 111 test for ... 


  Lipids
• If glucose present the benedicts solution will go from blue to...


  brick red
• If the sample contains starch the iodine solution will go from browny-orange to ...

  Blue-black
• If the food sample contains protein the biuret solution will go from blue to...

  Pink
• If the sample contains lipids ...


  The mixture will seperate out into two layers. The top layer brick red.
• Which test reqiures a water bath to 75 degrees celcius

  Benedicts