Further, because kompeito is made by going through the lengthy heating process at high temperatures, it has an exceptional shelf life whereby it is said that, in a dry condition, it will retain its original flavor for 20 to 30 years.
加えて高熱で焼き固める事から保存性が良く、湿気さえ気を付ければ20–30年経っても味が変わらないとさえいわれている。