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翻訳と辞書　辞書検索 [ 開発暫定版 ] スポンサード リンク Castoreum ： ウィキペディア英語版 Castoreum Castoreum is the exudate from the castor sacs of the mature North American Beaver (''Castor canadensis'') and the European Beaver (''Castor fiber''). Castoreum is the yellowish secretion of the castor sac. Beavers use castoreum in combination with urine to scent mark territory.〔Walro, J.M. and Svendsen, G.E., "Castor sacs and anal glands of the north american beaver (Castor canadensis): their histology, development, and relationship to scent communication" ''Journal of Chemical Ecology'', Volume 8, Number 5 / May 1982, Department of Zoology and Microbiology, Ohio University,〕〔Müller-Schwarze, Dietland (1992). "Castoreum of beaver (Castor canadensis): function, chemistry and biological activity of its components," ''Chemical Signals in Vertebrates IV'', 457–464, Plenum Press.〕 Both beaver sexes have a pair of castor sacs and a pair of anal glands, located in two cavities under the skin between the pelvis and the base of the tail.〔Johnston, Robert E.; Sorenson, Peter W.; and Müller-Schwarze, Dietland (1999). ''Advances in Chemical Signals in Vertebrates'', Springer, 1, 282. ISBN 0-306-46114-5.〕 The castor sacs are not true glands (endocrine or exocrine) on a cellular level, hence references to these structures as preputial glands or castor glands are misnomers.〔Svendsen, G.E., Huntsman, W.D, "A field Assay of Beaver Castoreum and Some of its Components," ''American Midland Naturalist'', Vol. 120, No. 1 (Jul., 1988), pp. 144–149, University of Notre Dame.〕 Castor sacs are a type of scent gland. It is used as a tincture in some perfumes〔International Perfume Museum, Grasse France, Website: http://www.museesdegrasse.com/MIP/fla_ang/mat_prem_10.shtml〕 and as a food additive. == Trapping == Today, the government of Ontario pays trappers to harvest beaver castor sacs. The sacs can bring around 10–40 dollars each when sold to the Northern Ontario Fur Trappers Association. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Castoreum」の詳細全文を読む スポンサード リンク 翻訳と辞書 : 翻訳のためのインターネットリソース Copyright(C) kotoba.ne.jp 1997-2016. All Rights Reserved.