Ibota wax - Ibotarou

Japanese: イボタ蠟 - いぼたろう
Ibota wax - Ibotarou

…A deciduous shrub of the Oleaceae family common in mountain forests. It is infested with scale insects and produces scale on the bark (illustration). It grows to a height of 2-4m. …

From [Ibotaro Scale Insect]

…Usually, females are significantly less numerous than males, and often live apart from the wax mass of the male colony. The wax mass (Ibota wax) produced by the male larvae has long been used to paint the thresholds of shoji and fusuma doors to make them slippery. In addition, the white wax (Pela) made from this wax mass has a high melting point of 80°C and has special uses, so it was once cultivated for industrial production in China. …

From 【Wax】

…It is also called wax. Originally, wax was extracted and used by humans from natural sources, and so it contains a variety of substances called by the name of the extracted substance, such as beeswax, privet wax, wood wax, and earth wax, and its composition is also diverse. In comparison with natural fats and oils, which are higher fatty acid glycerides, the main biological natural waxes are monovalent (or rarely divalent) alcohol esters of higher fatty acids, so when defined chemically, wax is a monovalent or divalent alcohol ester of higher fatty acids. …

*Some of the terminology explanations that refer to "Ibota Wax" are listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

Japanese:

…山林中に多いモクセイ科の落葉低木で,イボタロウカイガラムシが寄生して樹皮上にイボタ蠟(虫白蠟)を生ずる(イラスト)。高さ2~4m。…

【イボタロウカイガラムシ】より

…通常,雌は雄に比べて著しく個体数が少なく,しばしば雄集団の蠟塊と離れて寄生する。雄幼虫のつくる蠟塊(イボタ蠟)は昔から障子やふすまの敷居に塗って滑りをよくするのに用いられた。また,この蠟塊からつくられる白蠟(ペーラ)は融点が80℃と高く,特殊な用途をもつため,かつて中国で工業生産用に養殖が行われたことがある。…

【蠟】より

…ワックスともいう。元来,蠟は人類が天然物からのこのような物性のものを採取利用したものなので,蜜蠟,イボタ蠟,木蠟,地蠟(ちろう)などと抽出物質の名を冠して呼ばれる多様な物質を含んでおり,その組成も多様である。天然物の油脂に対比してみると,油脂が高級脂肪酸グリセリドであるのに対して,主要な生物系天然蠟は高級脂肪酸の1価(まれには2価)のアルコールエステルであるところから,化学的に定義する場合は,高級脂肪酸の一価または二価アルコールエステルを蠟としている。…

※「イボタ蠟」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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