Onion - Kijitsu

…The book also includes an excerpt from the Shennong Huangdi Food Prohibition Seven-Volume Classic, which appears in the Book of Han, so it is believed that it was cultivated in China for food and medicine during the Han period or earlier. Prescriptions using leeks have also been collected from many documents, and in addition to the newly sprouted sprouts called gishin and the autumn-planted winter leeks called kijitsu, which were used medicinally, leeks were also classified into green leaves (gisei), roots (gihaku), stems, and yellow cores, and used according to their medicinal effects. For example, the leaves were boiled and taken internally for high fever, bone pain, and facial swelling, and the decoction was used to wash or apply as a poultice to wounds caused by metal or snake bites, and the leaves and stems were boiled and crushed and applied to swollen feet. …

*Some of the terminology that mentions "green onion" is listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

…そこには《漢書》芸文志に書名のある《神農黄帝食禁七巻経》の説も抄録されているので，中国では漢代あるいはそれ以前に食用や薬用のために栽培されていたものと思われる。ネギを用いた処方も多くの文献から集められており，生えたばかりの芽を葱針（ぎしん），秋植えの冬葱（とうき）の実を葱実（きじつ）といって薬用にしたほか，青い葉(葱青（ぎせい）)，根(葱白（ぎはく）)，茎，黄色い芯などに分類し，それぞれの薬効によって使い分けていた。例えば，高熱や骨節の疼痛，顔のむくみには葉を煎じて内服し，金属による創傷や虫蛇の咬傷には煎汁で洗浄したり罨法（あんぽう）をし，足の浮腫には葉と茎を煮て擦りつぶしたものを塗布した。…

※「葱実」について言及している用語解説の一部を掲載しています。

出典｜株式会社平凡社世界大百科事典 第２版について | 情報