Using activated carbon (AC) to bleach sugar from sugarcane and beetroot dates back to at least 1808. Today, activated carbon is used for many purposes in the food industry.
Thanks to is adsorption properties, AC can be used to retain and extract substances from food products in order to boost their quality and/or improve their appearance.
This is why it is commonly used to remove colours and odours, for purification and other similar treatments designed to change the flavour and colour, or to eliminate undesirable compounds.