At first it was a curiosity and erroneously reported as having poisonous fruits. It was not until the beginning of the twentieth century that tomato became. Many Britons do not know the difference between a fruit and a vegetable, new research shows. Take the it as a fruit. 2) Aubergine - 3 per cent. From eggplants, commonly seasoned and served as vegetables, to olives with their oily texture and salty flavor, unexpected fruits are all around.