洋葱,原产于西南亚。在我国普遍栽培。其鳞茎作蔬菜并供药用。 洋葱营养丰富。据科学测定表明,每百克洋葱含钙40毫克、磷50毫克、铁1.8毫克,维生素C8毫克,还含胡萝卜素、维生素B_1和尼克酸等物质。被人称为“蔬菜皇后”。世界上流传着许多关于洋葱的趣闻。 洋葱冠军—世界上最大的洋葱重12.7公斤。名登榜首,它是英国林肯郡举办的“英国巨人蔬菜 Onion, native to Southwest Asia. Generally cultivated in our country. Its bulb for vegetables and for medicinal purposes. Onion nutritious. According to scientific tests show that per 100 grams of onion calcium 40 mg, phosphorus 50 mg, iron 1.8 mg, vitamin C8 mg, but also contains carotene, vitamin B_1 and niacin and other substances. Was called “vegetable queen.” The world is full of anecdotes about onions. Onion Champion - The world’s largest onion weighs 12.7 kilos. Top of the list, it is hosted by the British Lincolnshire "British giants vegetables