Three new European research projects have suggested that organic tomatoes, peaches and processed apples all have higher nutritional quality than non-organic, supporting recent research from America on kiwi fruit.

Researchers found that organic tomatoes 'contained more dry matter, total and reducing sugars, vitamin C, B-carotene and flavonoids in comparison to the conventional ones', while conventional tomatoes in this study were richer in lycopene and organic acids.

Previous research has found organic tomatoes have higher levels of vitamin C, vitamin A and lycopene.

In the latest research, the scientists conclude: 'Organic cherry and standard tomatoes can be recommended as part of a healthy diet including plant products which have shown to be of value in cancer prevention.'