bitter aftertaste
The Spanish term 'regusto amargo' translates to 'bitter aftertaste' in English. It is a term often used in culinary contexts, particularly in wine tasting, coffee tasting, or when talking about certain types of food. The term describes the residual taste left in the mouth after consuming something, especially when this taste is bitter.
The wine left a bitter aftertaste in my mouth.
Here, the speaker mentions that the wine they consumed resulted in an unpleasant bitter aftertaste.
After eating, I felt a bitter aftertaste from the food that was not fresh.
This phrase indicates that the speaker experienced a bitter aftertaste following a meal due to the food's freshness being questionable.