A healthy diet

• Water


  cell maintenance, medium for chemical reactions, transport system, maintenance of body temperature
• Protein


  Growth, repair, maintenance
• Carbohydrates


  Source of energy, storage as excess fat
• Lipids (fats)


  , cell structure, energy, insultation
• Vitamins 


  Chemical reactions in the body
• Minerals 


  intra and extra cellular functions, bones, teeth
• Vitamin A (function and source)


  Healthy teeth, skin, and eyes
• vitamin B


  Help somebody use food energy, digest proteins ,function of the central nervous system, digestion and metabolism

  lean meats, eggs, fish, dairy products, cabbage , broccoli
• Vitamin C

  helps immune system ,helps wound healing ,helps absorb iron.
• Vitamin D


  Helps absorb, calcium

  dairy products, fish, oysters, and sunshine
• Vitamin E


  Blood clotting, strong bones

  cabbage cauliflower spinach and soy beans
• How to test for starch


  Put food sample in test tube .add iodin solution if turns from yellowish brown to blue black, starch is present
• How to test for reducing sugars

  Add food sample to test to add Benedict reagent put test tube in hot water bath .if reducing sugars are present solution will go from Bluegreen to yellow to orange red
• How test for proteins 


  Put sample into test tube add Biuret reagent if protein is present, it will turn purple you’re not remains blue
• How do you search for fat

  Add food sample to test to add ethanol chic, if becomes cloudy white fats are presEng