Wine has been produced for thousands of years. The earliest known traces of wine are from Georgia (c. 6000 BC),[2][3][4][5] Iran (c. 5000 BC),[6][7] and Sicily (c. 4000 BC)[8] although there is evidence of a similar alcoholic drink being consumed earlier in China (c. 7000 BC).[9][10][11] The earliest known winery is the 6,100-year-old Areni-1 winery in Armenia.[12][13] Wine reached the Balkans by 4500 BC and was consumed and celebrated in ancient Greece, Thrace and Rome. Throughout history, wine has been consumed for its intoxicating effects.[14][15][16]
Most food has its origin in plants. Some food is obtained directly from plants; but even animals that are used as food sources are raised by feeding them food derived from plants. Cereal grain is a staple food that provides more food energy worldwide than any other type of crop.[2] Corn (maize), wheat, and rice – in all of their varieties – account for 87% of all grain production worldwide.[3][4][5] Most of the grain that is produced worldwide is fed to livestock.
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