Ambrein

Japanese: ambrein
Ambrein

…Unrefined ambergris does not necessarily have a pleasant smell, but the infusion of dried ambergris with lactose and soaked in alcohol has a mild balsamic odor similar to that of frankincense, and has been used since ancient times as a valuable ingredient in perfumery. The main component of ambergris is the triterpene ambrein, which is an odorless, non-volatile white solid that has a strong retention ability and is used as a retention agent, but the various products that are produced when it is oxidized are what cause the ambergris aroma. For this reason, ambergris also plays an important role as a residue note in perfumery. …

*Some of the terminology explanations that mention "ambrein" are listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

Japanese:

…未精製の竜涎香は必ずしもよい香りではないが,乾燥し乳糖を加えてアルコールに浸漬した浸出液は温和な乳香に似たバルサム臭があり,古来香料原料として重用されている。 竜涎香の主要な成分は,トリテルペンであるアンブレインambreinで,それ自身は無臭の非揮発性の白色固体で,保留性に強く,むしろ保留剤として重用されるが,これが酸化されて生じる各種生成物が竜涎香の芳香の原因となる。このため,竜涎香は調香上レシデュー・ノートresidue note(調合香料の基礎となるもの)としても重要な役割をはたす。…

※「ambrein」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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