@Emrakul ... Et si j'ai eu quelques réputation ici, je voudrais poster une réponse avec des liens vers toutes les sources primaires. Mais je suis un humble peon avec pas de réputation... ☺ Vous, d'autre part pourrait le faire Je vous recommande de détartrage avec un détartrant fait pour machines à espresso. Ils sont facilement disponibles en ligne et le droit de la force de l'exécution par la machine. Si cela ne fonctionne pas, vous avez attendu trop longtemps et peut-être besoin de démonter le groupe de tête, en vertu de l'écran de douche de ma Gaggia machine obtient souvent assez en croûte de là-haut, un moment j'ai même eu à grignoter. Bien avez-vous essayé l'une des solutions proposées? Avez-vous vérifié la température de l'eau, joué avec la mouture des paramètres etc? Une fois que vous avez fait tout cela et il ne fonctionne toujours pas, vous pourriez nous expliquer ce que vous avez fait et nous pourrions être en mesure de vous aider.

La science fondamentale semble être: sels de Sodium, de supprimer la perception de l'amertume. Il mentionne spécifiquement la caféine, qui est un des composants amers de café. Cet article répertorie quelques références de plus pour la même chose: L'ion sodium fonctionne en interférant avec le mécanisme de transduction de [amertume]."

Le point est, c'est un changement dans la perception; par exemple, le sel n'est pas chimiquement évolution des composés amers, juste interférer avec l'amertume des récepteurs dans votre langue. À l'inverse, l'article semble suggérer que l'amertume n'est pas de réduire la perception du goût salé; pour moi, cela suggère que votre café aura un goût salé. Caveat emptor! Il y a un peu plus de discussion sur le sel et l'amertume des sections de l'article de Wikipédia sur le goût.

Cette question à partir des Conseils avisés traite du même et fournit quelques liens supplémentaires. La Bonne Bouffe de l'article lié à partir de cette question est intéressante. Une recherche à des Conseils avisés traite de sujets liés à du sel et de l'amertume.

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