What is the origin of the idiom "leave a sour taste in one's mouth" and when to use it?

The idiom "leave a sour taste in one's mouth" is a figurative expression originating from the physical sensation of tasting something unpleasant or bitter, which may linger and affect one's overall experience. In a metaphorical sense, it is used to signify a negative impression or experience that lingers in a person's memory, leaving them with discomfort or displeasure.