Introduction

The aim of this experiment is to investigate how much vitamin c is needed to decolourize 1cm³ of a blue dye known as DCPIP (dichlorophenolindophenol). By experimenting with an old and new variety of lemon, orange and blackcurrant soft drinks we are able to find out which contains the most vitamin c from the amount it takes to decolourize 1cm³ of DCPIP.

Predictions

Vitamin c is a water soluble vitamin found in various fresh fruits and vegetables. The `best sources of vitamin c are citrus fruits and their juices' . Fruits with high vitamin c content include lemons, peaches, strawberries, bananas and grapefruit. Vitamin c is involved in the repair of tissue damage and maintenance of healthy skin and blood vessels.

As vitamin c is at highest in...