Extracting Oils from Plants

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biology unit 1 gcse

Created by oliviaoneill90 over 5 years ago
GCSE Subjects
Using GoConqr to teach science
Sarah Egan
Chemistry GCSE
Geometry Theorems
Spanish Verbs
Niat Habtemariam
Plant Oils and Their Uses - C1
Georgia Freeman
Using GoConqr to study science
Sarah Egan
Plant Structure and Photosynthesis
Evangeline Taylor
B2, C2, P2
George Moores
B3, C3, P3
George Moores
Extracting Oils from Plants
1 Some fruits and seeds contain a lot of oil
1.1 Oily fruits: - avocados - olives
1.2 Oily seeds: -brazil nuts -peanuts -sesame seeds
1.3 These oils can be extracted by crushing the plant material, pressing them between metal plates and squashing the oil out to be used for food or fuel. This is the traditional method for olive oil
2 Oil can be separated from crushed plant material by a centrifuge - like using a spin-dryer to get water out of wet clothes
2.1 solvents are used to get oil from plant material
3 Distillation refines oil, and removes water, solvents and impurities

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