If it is left after the evaporation of water from the preservative, the husk is intact, and the flesh is not moldy or smelly is edible. If the white powder is mold and the longan has traces of decay, do not eat.
The flesh of cinnamon contains carbohydrates, crude fiber, vitamin C, niacin and vitamin K and other nutrients. It also contains trace elements such as calcium and phosphorus. Also cinnamon contains some niacin and vitamin K.
Although cinnamon has many benefits, but belongs to the high-sugar, high-calorie food, obese people and diabetics should not eat more, eat more will easily cause blood sugar instability.
Cinnamon preservation time is short, easy to deteriorate and mold, it is recommended to buy and eat as soon as possible, if once spoiled, it is recommended to discard as soon as possible.