C1B GLOSSARY

ALL THE WORDS YOU NEED TO KNOW FOR C1B SINGLE SCIENCE, OCR BOARD - HIGHER TIER, CHEMISTRY

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C1b
Antioxidant ­ substances that slow down the rate of oxidation of
food
Emulsifier ­ a chemical that coats the surface of droplets of one
liquid so that they can remain dispersed in small
droplets throughout the other
Emulsion ­ mixture of two immiscible liquids where one liquid is
dispersed in small droplets throughout the other
E number ­ system for listing permitted food additive, all
permitted additives are given E numbers, e.g. E124
Food additive ­ a substance added to food to act as a colouring
agent, preservative, emulsifier, flavour enhancer,
etc
Hydrophilic ­ a substance that has a liking or attraction to water
Hydrophobic ­ a substance that repels water

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