digestion

• test for starch


  IODINE

  negative test result: orange- brown

  positive test result: blue- black
• Test for sugar/ glucose


  BENEDICTS

  negative test result: light blue

  positive test result: green to brick red

  add to water bath to gently heat
• test for lipids


  ETHANOL OR SUDAN II

  negative test result: colourless

  positive test result: cloudy emulsion
• test for protein


  BIURET

  negative test result: blue

  positive test result: lilac/ purple
• amylase is found in...

  1. salivary glands
  2. pancreas
  3. small intestine
• amylase is a carbohydrase that breaks down carbohydrates such as starch into maltose (simple sugars)
• protease conerts proteins into amino acids
• lipases convert lipids into glycerol and fatty acids
• proteases are found in...

  1. the stomach
  2. the pancreas
  3. the small intestine
• lipase is found in...

  1. the pancreas
  2. the small intestine
• BILE IS PRODUCED IN THE LIVER

  • its stored in the gall bladder before being released into the small intestine
  • it neturalises stomach acids and emulsifies fats