Blanch in boiling water in a sealed glass bottle, and then store in the refrigerator. It can be kept for a long time, and it can be kept for a month or two. Use a clean water-free and oil-free spoon every time you take it, which is beneficial to prolong the storage time. The higher the sweetness of jam, the longer the storage time. Normal for about a month. No problem. But if it is stored at room temperature and it is not sealed, it can generally be stored for one week.