...The larvae make roughly spherical galls, 15-20 mm in diameter, on the twigs of oak trees. These galls are called galls, and the galls made on the oak tree Quercus lusitanica var. infectoria in particular contain nearly 70% tannin. For this reason, they have long been exported to Europe from Iran, Turkey, Greece, and other countries, and have been used in the manufacture of ink, dyeing, and leather tanning. *Some of the terminology that mentions "Quercus lusitanica var. infectoria" is listed below. Source | Heibonsha World Encyclopedia 2nd Edition | Information |
…幼虫はナラ類の小枝に直径15~20mm,ほぼ球形の虫こぶをつくる。この虫こぶは没食子(ぼつしよくし∥もつしよくし)と呼ばれ,とくにQuercus lusitanica var.infectoriaというナラにつくられた虫こぶは,タンニンを70%近くも含んでいる。このため古くから,イラン,トルコ,ギリシアなどからヨーロッパに輸出され,インキの製造,染色,皮なめしに用いられてきた。… ※「Quercus lusitanica var.infectoria」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 |
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