lipids
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what is the diff between fats and oils?
fats solid, oils liquid at room temp
crude oil is _____% TAGs, ___% non-TAG
93-98; 2-7
TAGs prefer the __ conformation
chair
C 4:0
butyric acid (milk)
C 10:0
capric acid (milk)
c 12:0
lauric acid (coconut, palm kernel)
C 14:0
myristic acid (milk)
C 16:0
palmitic acid (palm, milk)
C 18:0
stearic acid (milk)
C 18:1
oleic acid (olive oil, milk)
C 18:2
linoleic acid (sunflower, canola, soybean)
C 18:3
linolenic acid (flaxseed, borage)
C 20:5
eicosapentaenoic acid
C 22:6
docosahexaenoic acid
C 22:5
docosapentaenoic acid
TFAs are found in:
dairy/animal fat and also hydrogenated vegetable oils
_____ oil is found in rapeseed and mustard
erucic acid
lauric oils are particularly important for _____
soap making
______ have wide melting points ranging from -40 to 40 degrees C
milk fats
Palmitic oils are widely grown in ___ and are rich in ___
Malaysia; beta carotene
what is vegetable butter derived from?
palmitic, stearic, oleic acids (saturated–>solid)
animal fats have lots of _____ TAGs, giving them a high ___
fully saturated; melting point
the most common type of vegetable oils are ___, that make up _____%
oleic/linoleic; 80-90
why shouldn’t you use olive oil for high temp frying?
the high amount of monounsaturates means that it oxidizes easily with metal elements in pan