Possible Clues:

• Liquid fat
• Fatty liquid
• Liquid part of fat
• Vegetable oil component
• Fatty liquid (anagram of NO LIE)
• Liquid portion of fat
• Shorter of two names for a glyceride found in fats and oils
• Common triglyceride
• Start out on Nile that's polluted with oily stuff
• Vegetable oil component, often