1. Self-made jam can be frozen without much influence. Moreover, the low temperature in the frozen area can inhibit the growth of microorganisms such as bacteria to a certain extent and prolong the storage time of ingredients.

Besides, freezing is a way to preserve food for a long time, but it will lose some nutrients when thawing, and its taste is not as good as that of fresh food. In addition, jam should not be stored in the frozen area for too long, generally not recommended for more than 3 months, so as not to destroy the original flavor of food.