• Macadamia Nut oil has a ratio is 1:1 (an omega-6 oil) vs. (an omega-3 oil)
• It has a 450 degree smoke point and can be used for cooking, salad oils and marinades. It's hard to find in stores but can be purchased at Amazon.com
  
  
• http://www.selfgrowth.com/articles/Mudhar1.html

• Olive oil is about 10% linoleic acid (an omega-6 oil) and about 1% linolenic acid (an omega-3 oil), therefore the ratio is 10:1
• Olive Oil has higher levels of anti-oxidants such as carotenoids  
  
• Olive oil will harden at refrigerator temperatures of 10 degrees.
• Olive oil becomes Rancid for four reasons
  
  
  1. Heat
     
  2. Exposure to light
     
  3. Exposure to air
     
  4. Time
     

http://www.oliveoilsource.com/olivechemistry.htm

Flax Seed Oil

• Flax Seed Oil is a wonderful diatary suppliment
• It can also be used in salad oils that will never be heated.
• High in Omega 3 fats, however this oil is very unstable.
• When the bottle is opened, it should be used within two months or discarded.
• This oil has a low smoke point and should never be used for cooking. It's great in salad dressings which will not be used to marinade meat or chicken.
  
• Once the original bottle is opened, keep this oil refrigerated.
  
• The oil is also sensative to light and should only be stored in a dark bottle.

http://www.healthcastle.com/flax.shtml