Aqueous Solution Chemistry

Colour Changes with Caffeine - Part 2

Iain Smellie | Mon, 03/11/2024 - 14:12

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This study outlines the effect on the colour of anthocyanin-containing solutions when mixed with caffeine. Given the diversity of anthocyanin structures available from other vegetables, fruits or flowers, there is great potential for series of open-ended experiments for students in classes or science clubs to investigate.

Colourful Chemistry of Canning – Part 3

Iain Smellie | Thu, 04/13/2023 - 13:38

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Part 3 includes further anthocyanin experiments to make a connection between the food we eat and the chemical principles that are employed to ensure that canned foodstuffs can be preserved properly. These recent studies have focused on the reaction of tinplate cans with iodine.

Colourful Chemistry of Canning

Iain Smellie | Fri, 07/01/2022 - 07:56

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Educators may be able to use these anthocyanin experiments to make a connection between the food we eat and the chemical principles that are employed to ensure that canned foodstuffs can be preserved properly.