Sour lychee, if it is normal lychee before ripening, there will be a sour flavor, then lychee can be eaten; if the lychee deteriorated after the appearance of sour taste, you can not eat.
The normal flavor of lychee is sour and sweet, it will taste sweet, it itself has a sour taste, before the lychee is ripe, the sour taste is normal, it can be eaten. If the lychee smells like food spoilage emitted by the sour flavor, indicating that the lychee has been bad, can no longer be eaten.
Lychee is nutritious, each 100 grams of lychee contains 71 calories, of which 16.65 grams of carbohydrates, 0.9 grams of protein, 0.2 grams of fat, 0.5 grams of dietary fiber, vitamin C41 mg, potassium 151 mg. Moderate consumption can provide the body with the above nutrients.
Lychee should not be consumed in excess at one time, otherwise it may lead to lychee disease, and diabetes and other patients who need to control their weight should not be overconsumed.