Most homemade jam can remain unopened for up to three years if it is put in a properly sterilized sealed container. Store sealed and unopened jam in a dry and cool place. Once opened, please eat quickly to avoid pollution. It is best to eat it within one month after opening. It is best to avoid cold storage of syrup jam, because it tastes bad after cold storage, especially when cold drinks are needed.
If jam is made without sugar preservatives, it must be refrigerated without sugar to prevent mold growth. No matter how much sugar you put in the jam, you should store the opened jam in the refrigerator. Throw away any jam that looks suspicious after at most three months in case you get sick.
Introduction to red heart k:
K of hearts is roselle. Roselle is slightly fragrant and slightly acidic, and contains vitamin C, elderberry, citric acid and other nutrients. , is conducive to regulating and balancing blood lipids, promoting calcium absorption, regulating and balancing blood lipids, promoting calcium absorption, promoting children's development and promoting digestion. Has the effects of cooling, detoxicating, diuresis and lowering blood pressure.
Roselle can be used as medicine in almost all plants, and its leaves, flowers, sepals and seeds can be used as medicine, which has the functions of diuresis, promoting bile secretion, reducing blood viscosity, lowering blood pressure and stimulating intestinal peristalsis. Indians also use it to fight scurvy. In China, traditional Chinese medicine takes the calyx and bracts of Roselle as medicinal materials.
Refer to the above? Baidu Encyclopedia-Red Heart K Fruit