FOOD1010 Food Oils

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Where are vegetable oils extracted from?
plants
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what is vegetable oil made of?
triglycerides
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how is vegetable oil used?
in foods and for cooking
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what state is vegetable oil in at room temperature?
liquid
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what is the composition of a triglyceride?
3 fatty acids and a glycerol
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what are the properties of a saturated fatty acid?
solid at rt, no double bond and a high melting point
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what are the properties of an unsaturated fatty acid?
double bond, low melting point and liquid at rt
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what do the differences in fatty acid structures explain?
fluidity
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what causes variation in fatty acid composition in oil?
soil type and climate conditions
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what is the PUFA, MUFA and SFA content of oil from northern climates?
higher PUFA, lower MUFA and similar SFA (to southern)
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what is the PUFA, MUFA and SFA content of oil from southern climates?
lower PUFA, higher MUFA and similar SFA (to northern)
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how could the trade of oil be described?
heavy
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what % of oils and fats consumed are vegetable oils?
70%
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what are trade patterns dominated by?
global import and export of palm and soybean oil
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what % of production is palm oil?
33%
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what % of production is soybean oil?
28%
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what has influenced an increase in oil demand?
ethanol and biodiesel
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where is palm oil majorly produced?
indonesia and malaysia
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what increases world oil production?
world population increasing
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which country consumes the most oil?
china
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what are the different oil types?
seed, fruit and nut
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what climate produces palm oil?
warm
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what are the steps in manufacturing oil?
dehulling seeds, extraction and refining crude oil
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what are the steps involved to refine crude oil?
neutralising, bleaching, deodorising, winterising and hydrogenation
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what is the environmental impact of the oil industry?
deforestation and loss of biodiversity
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what are two advantages of GM crops?
higher yield and more nutrients
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what are two disadvantages of GM crops?
more monoculture and jumping genes
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Other cards in this set

Card 2

Front

what is vegetable oil made of?

Back

triglycerides

Card 3

Front

how is vegetable oil used?

Back

Preview of the front of card 3

Card 4

Front

what state is vegetable oil in at room temperature?

Back

Preview of the front of card 4

Card 5

Front

what is the composition of a triglyceride?

Back

Preview of the front of card 5
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