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Castalagin is an ellagitannin, a type of hydrolyzable tannin, found in oak and chestnut wood and in the stem barks of Anogeissus leiocarpus and Terminalia avicennoides. Castalagin is the diastereomer of vescalagin in C-1 of the glycosidic chain. Castalagin/ vescalagin are the most abundant ellagitannins in white wine stored in oak barrels. During aging of wines, these two compounds were progressively extracted from the wood and were transformed into new derivatives by chemical reactions. Therefore, castalagin/ vescalagin and their derivatives contribute to the color and the taste of wines and spirits stored in oak barrels.

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  • Castalagina (es)
  • Castalagin (en)
  • Castalagine (fr)
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  • Castalagin is an ellagitannin, a type of hydrolyzable tannin, found in oak and chestnut wood and in the stem barks of Anogeissus leiocarpus and Terminalia avicennoides. Castalagin is the diastereomer of vescalagin in C-1 of the glycosidic chain. Castalagin/ vescalagin are the most abundant ellagitannins in white wine stored in oak barrels. During aging of wines, these two compounds were progressively extracted from the wood and were transformed into new derivatives by chemical reactions. Therefore, castalagin/ vescalagin and their derivatives contribute to the color and the taste of wines and spirits stored in oak barrels. (en)
  • Castalagina es un elagitanino, un tipo de tanino hidrolizable, que se encuentra en la madera de roble y castaño​ y en la corteza del tallo de y Terminalia avicennoides.​ Castalagina e el (33beta)-isomero de vescalagina.​ Durante el envejecimiento de alcoholes en barricas de roble , la vescalagina puede ser extraída de la madera y, posteriormente, puede transformarse en nuevos derivados de reacciones químicas.​ Vescalagina es uno de los más abundantes elagitaninos extraídos de la madera de roble usando vino blanco.​ (es)
  • La castalagine est un ellagitanin. C'est une molécule contenant deux motifs d'acide hexahydroxydiphénique et d'acide nonahydroxytriphénique liés à une molécule de glucose ouverte. La castalagine est l'isomère de la vescalagine, marqué par la position béta du carbone 33. La castalagine peut être isolée du bois de chêne (Quercus sp.) et de châtaignier (Castanea sativa). On la trouve aussi dans Anogeissus leiocarpus, le bouleau d'Afrique. Elle peut aussi être trouvée dans certains vins élevés en fûts de chêne. (fr)
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  • http://commons.wikimedia.org/wiki/Special:FilePath/Castalagin.svg
  • http://commons.wikimedia.org/wiki/Special:FilePath/Castalagin_3d_structure.png
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  • Castalagin.svg (en)
  • Castalagin_3d_structure.png (en)
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  • Chemical structure of castalagin (en)
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  • Vescalagin (en)
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  • Castalagin is an ellagitannin, a type of hydrolyzable tannin, found in oak and chestnut wood and in the stem barks of Anogeissus leiocarpus and Terminalia avicennoides. Castalagin is the diastereomer of vescalagin in C-1 of the glycosidic chain. Castalagin/ vescalagin are the most abundant ellagitannins in white wine stored in oak barrels. During aging of wines, these two compounds were progressively extracted from the wood and were transformed into new derivatives by chemical reactions. Therefore, castalagin/ vescalagin and their derivatives contribute to the color and the taste of wines and spirits stored in oak barrels. (en)
  • Castalagina es un elagitanino, un tipo de tanino hidrolizable, que se encuentra en la madera de roble y castaño​ y en la corteza del tallo de y Terminalia avicennoides.​ Castalagina e el (33beta)-isomero de vescalagina.​ Durante el envejecimiento de alcoholes en barricas de roble , la vescalagina puede ser extraída de la madera y, posteriormente, puede transformarse en nuevos derivados de reacciones químicas.​ Vescalagina es uno de los más abundantes elagitaninos extraídos de la madera de roble usando vino blanco.​ (es)
  • La castalagine est un ellagitanin. C'est une molécule contenant deux motifs d'acide hexahydroxydiphénique et d'acide nonahydroxytriphénique liés à une molécule de glucose ouverte. La castalagine est l'isomère de la vescalagine, marqué par la position béta du carbone 33. La castalagine peut être isolée du bois de chêne (Quercus sp.) et de châtaignier (Castanea sativa). On la trouve aussi dans Anogeissus leiocarpus, le bouleau d'Afrique. Elle peut aussi être trouvée dans certains vins élevés en fûts de chêne. Les roburines A et sont des dimères de la castalagine. La est un glycoside de la castalagine lié au pentose lyxose. (fr)
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  • Vescalagin (treatment) (en)
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