That depends on what your longan meat looks like. If peeled, it should be okay to leave it in a natural sealed state for three months. If it is an inner core and a complete shell, it can be kept in a sealed glass jar for one or two years. That's what I said. Longan meat is also called longan meat, round eye meat, Fuyuan meat, Jijinfeng pear ear longan meat and so on. Fresh longan meat is milky white, translucent and sweet as honey. After drying, the pulp becomes dark brown and elastic, called longan pulp, which can be eaten or used as medicine. Longan meat is rich in nutrition and contains a lot of trace elements beneficial to human health, which has long been a good medicine. Its main function is to soothe the nerves, treat insomnia, forgetfulness and fright, and has the effects of nourishing and strengthening the body, nourishing the heart, calming the nerves, nourishing blood, strengthening yang, invigorating the spleen, stimulating appetite, moistening skin and beautifying face. Longan has a high sugar content and contains glucose that can be directly absorbed by the human body. Weakness, anemia, old age and infirmity, long illness, eating longan often is very beneficial. Especially for postpartum women, longan meat is also an important tonic.