BIOCHEMM

• Lipids are hydrophobic, nonpolar molecules
• Lipids are soluble in nonpolar solvent
• Lipids are insoluble in polar solvents
• Greek word lipos means fat
• Structural lipids

  Meat and vegetables
•  Storage lipids

  Milk and adipose tissue
• LIKE DISSOLVES LIKE

  polar substance can be only be dissolve on polar solvent
• MOST LIPIDS ARE NONPOLAR AND CANNOT BE DISSOLVE IN WATER
• function of Lipids store fast amount of energy
• Fats provide 9kg of calories of energy for 1gram
• lipids are ANHYDROUS don't go well on water
• lipids also improve taste which means PALATABILITY
• Simplest lipids GLYCEROL
• Fatty acids are produce or sintesize by your body
• FAT SOLUBLE

  vitamin A

  vitamin D

  vitamin E

  vitamin K
• WATER SOLUBLE

  vitamin B

  vitamin C
• FAT MOLECULE ARE JUST TRIGLYCERIDES
• Fatty acids are carboxylic acid family
• Fatty refer to the hydrocarbon chain
• Acid refers to carboxylic acid
• in making the triglycerides we need 1 Glycerol and 3 Fatty acids
• DELTA NOTATION used when dealing with fatty acid that nas double bonds nearest to carboxyl group
• SATURATED single bond
• UNSATURATED double bonds
• DEGREE OF SATURATION

  maximum number of hydrogen present in the organic molecule
• DELTA NOTATION

  used when dealing with fatty acid that nas double bonds nearest to carboxyl group
• ESSENTIAL FATTY ACID

  fatty acid that are not sintesize within our body
• TRANS FAT

  hydrogenated oil products