Small amounts of caffeine can be found in the leaves and flowers of several citrus plants, including grapefruit, lemon, and orange, but not in the fruits.
As a result of rising corn prices, some farmers now supplement cattle feed with candy, such as Skittles, as a way to provide a cheaper source of carbohydrates for the cows.
Spelt, a staple grain in Ancient Rome and medieval Europe, is especially rich in manganese, phosphorus, and niacin.
Before European contact with the Americas, tomatoes were not used in Italian food, peanuts were not used in Thai food, and chili peppers were not used in Indian food.
Lemongrass can be used to both repel mosquitos and attract honey bees. It is also a solid dietary source of iron, magnesium, and zinc.
Raw cashews contain urushiol, an allergenic chemical also found in poison ivy that causes a skin rash. Almost all cashews sold today have already been shelled and cooked to remove the urushiol.
It takes about 400 cocoa beans to make one pound of chocolate, although some types of chocolate require even more than that.
If Santa Claus visits 500 million homes this Christmas, and has two bites of cookie and one sip of milk at each house, he could easily consume more than 35 billion calories.
Capsaicin, a component in chili peppers that produces the heat sensation, is created by the pepper plant to stop animals from eating its fruit. It does not affect birds, which spread the plant’s seeds.
Kumquats are one of the highest fruit sources of calcium. They are also rich in fiber, vitamin A, and vitamin C.