LIPIDS Flashcards
Fixed Oils, Fats, Waxes and Fatty Acids
LIPIDS
Are esters of long-chain fatty acids and alcohols or of closely related derivatives.
LIPIDS
Are soluble in non-polar organic solvents and generally insoluble in water.
LIPDS
Uses of Lipids in Medical/Pharmaceutical
EMOLLIENT
VEHICLES FOR MEDICATIONS
THERAPEUTIC PROPERTY
ENTERAL AND PARENTERAL NUTRITION
Lipids Uses in Industries
SOAPS
PAINTS
2 type of Alcohol:
FIXED OILS AND FATS
WAXES
Glycerol combine with Fatty Acids
FIXED OILS AND FATS
High mol. wt. alcohol (Cetyl alcohol) combined with Fatty acids
WAXES
Primary function is for food (energy) storage
FIXED OILS AND FATS
Fixed oils and fats are obtained from either:
PLANTS: PEANUT OIL, OLIVE OIL
ANIMALS: LARD
Important products used pharmaceutically, industrially and as
food.
FIXED OILS AND FATS
May occur in various parts of the plants, but as a general rule in seeds.
VEGETABLE OILS AND FATS
may contain larger quantities and the usual sources of fixed oils
SEEDS
Examples of seeds:
CASTOR SEED
COTTON SEED
SESAME SEED
HEMP SEED
LINSEED
ALMOND SEED
COCONUT
Fixed Oils are sometimes classified as:
DRYING OILS
SEMI-DRYING OILS
NON-DRYING OILS
May also be of plant and animal origin
WAXES
Are liquid at normal temperature
FIXED OILS AND FATS
Are semi-solid to solid at ordinary temperature
WAXES
Solid vegetable oil
COCOA BUTTER
MOST ANIMAL FATS ARE SOLID
TRUE
(MOST VEGETABLE OILS ARE LIQUID AT ORDINARY TEMPERATURE)
Most Vegetable Oils are liquid at ordinary temperature except:
COCOA BUTTER - SOLID VEGETABLE OIL
Most Animal Fats are solid except
COD LIVER OIL - LIQUID ANIMAL FAT