In the late 1700s, a large percentage of Europeans feared the tomato.
A nickname for the fruit was the “poison apple” because it was thought that aristocrats got sick and died after eating them, but the truth of the matter was that wealthy Europeans used pewter plates, which were high in lead content. Because tomatoes are so high in acidity, when placed on this particular tableware, the fruit would leach lead from the plate, resulting in many deaths from lead poisoning. No one made this connection between plate and poison at the time; the tomato was picked as the culprit.
Around 1880, with the invention of the pizza in Naples, the tomato grew widespread in popularity in Europe. But there’s a little more to the story behind the misunderstood fruit’s stint of unpopularity in England and America, as Andrew F. Smith details in his The Tomato in America: Early History, Culture, and Cookery. The tomato didn’t get blamed just for what was really lead poisoning. Before the fruit made its way to the table in North America, it was classified as a deadly nightshade, a poisonous family of Solanaceae plants that contain toxins called tropane alkaloids.For the rest of the story: http://blogs.smithsonianmag.com/food/2013/06/why-the-tomato-was-feared-in-europe-for-more-than-200-years/