digestive enzymes and food tests

• Test for lipids 


  5 drops of Sudan 111 stain solution

  gently shake
• Test for protein 


  Add equal volume of biuret
• Test for carbohydrate


  Add 5 drops of iodine
• Test for sugars


  add 5 drops of Benedict solution and leave in water bath for 5 mins
• Colour change for sugars


  Blue to green,yellow,orange,red
• Colour change for carbohydrate


  Orange/brown to black/blue
• Colour change for lipids (fats)


  no layer to orange layer
• Colour change for protein


  Blue to lilac
• which enzyme is produced by the mouth and small intestine 


  amylase and carbohydrase
• Which enzymes does the stomach produced

  Protease
• Which enzyme does the small intestine produce 


  Lipase
• Whats a product of amylase 


  Glucose
• Whats a product of carbohydrase


  Sugars
• What is a product of protease


  Amino acids
• What is a product of lipase


  Fatty acids and glycerol