Ebook > Sciences > Physics / Astronomy > Bernard Valeur: Les couleurs du vin (ePUB)

Bernard Valeur
Les couleurs du vin [EPUB ebook]
Une palette exquise

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Cover of Bernard Valeur: Les couleurs du vin (ePUB)

Pourquoi la palette des couleurs du vin est-elle si etendue, si subtile et parfois surprenante ? On y retrouve les couleurs orange, acajou, brune, presque noire… et meme bleue ! Quels pigments en sont responsables ? Comment caracteriser la couleur d’un vin ? Quelles informations apporte-t-elle sur l’origine du vin, son age, son vecu ?La robe des vins est ici analysee sous tous les angles. On ne peut comprendre la diversite des teintes du vin sans entrer dans le vaste monde des polyphenols colores ou non, abondants dans le raisin et le vin, et celui des reactions chimiques dans lesquelles ils sont impliques. Anthocyanes, tanins et autres composes phenoliques participent a des processus d’une extreme complexite qui regissent la couleur.D’autres sujets rarement evoques sont abordes : la fluorescence des vins ; l’influence de l’observation prealable de la couleur d’un vin sur la perception de sa saveur et de ses aromes ; les effets de la lumiere sur la couleur et le gout du vin ; la protection que conferent les bouteilles en verre teinte….Cet ouvrage, aussi concis que precis, s’adresse aux professionnels et etudiants de la filiere viti-viniculture ainsi qu’aux amateurs de vin ou simples curieux de science. Chacun devrait y trouver les reponses aux multiples interrogations que les couleurs du vin suscitent.

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Language French ● Format EPUB ● ISBN 9782759236992 ● Publisher Editions Quae ● Published 2023 ● Downloadable 3 times ● Currency EUR ● ID 9300945 ● Copy protection Adobe DRM

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