The consumption of unripe, bitter fruit, notably of the Malus domestica selection, has been steered as a treatment for nausea related to journey. The bitter and tart taste profile is believed to offer a distraction from, or counteraction to, the feeling of unease within the abdomen. That is considered because of a perceived refreshing high quality and a possible alteration in saliva manufacturing.
Anecdotal proof means that the crisp texture and excessive acidity degree discovered on this particular kind of fruit can help in assuaging delicate signs. This apply has been noticed throughout cultures and time durations, typically as a available and non-pharmacological methodology of mitigating discomfort throughout journey. Its perceived efficacy may stem from a placebo impact, the place the assumption within the treatment contributes to a discount in reported signs.