The radish is an edible root vegetable and is mostly eaten raw as a crunchy salad vegetable. There are many varieties ranging in different flavours, colours, shapes and sizes. The most common are the European radishes (small/round red) and the Daikon Asian radish (large/oblong white). Radishes are high in vitamin C and fibre, they also contain a group of compounds called isothiocyanates, which have been shown to be effective against certain cancers.