Jam shelf life: Homemade jam can usually be stored for 1 month. In terms of taste, it has the best flavor within the first week. To ensure the shelf life of jam, it must be kept from the beginning of production. Many details need attention. Other jam products generally have a shelf life of 1 year. The following methods can be used to preserve jam 1. Freezing preservation method Making food into jam itself is a method of preserving food. As long as we strictly follow the steps to make jam and bottle it, we can put the jam directly in the cupboard. From this point of view, there seems to be no need for cryopreservation. However, when preserving some candied fruits or jams with very low sugar content, because they cannot be sterilized at high temperatures or are in very small amounts, they can be quickly stored. After eating, we can choose to freeze it for storage. 2. High-temperature sterilization method If you want to preserve jam or candied fruits with very low sugar content for a long time, or simply want to solve the problem of food preservation, high-temperature sterilization method is the most ideal choice.