food testing

• why is the ph of stomach acid 2?

  because the enzyme pepsin in your stomach acid cannot function at any other ph
• what foods can fats be found in?

  cheese, chocolate, oils
• what enzyme is used to break down fats?

  lipase
• what food is protein found in?

  meats, nuts, eggs, dairy products
• what enzyme is used to break down protein?

  protease
• what food are carbohydrates found in?

  bread, rice, pasta, potatoes
• what enzyme is used to break down carbohydrates?

  amylase
• what solution is used to find proteins in food?

  Biuret
• what solution is used to find starch (carbohydrates)?

  iodine
• what solution is used to find fats?

  ethanol
• what solution is used to find sugars in food?

  benedict's solution
• what colour does the biuret solution turn when protein is detected?

  pale purple
• what colour does the iodine solution turn when starch is detected?

  blue
• what colour does ethanol turn into when fats are detected?

  white
• what colour does benedicts solution turn when sugars are detected?

  red, depending on how much sugar is present, the less amount of sugar their is the more the colour will change into an orange or green