Lotus root hole in the black is generally can continue to eat, but if it is because of bacterial growth caused by the deterioration of black can not be eaten.
Lotus root contains a variety of trace elements and vitamins, but also contains a large amount of dietary fiber, can supplement the body to consume the nutrients needed, but also can promote gastrointestinal peristalsis.
Lotus root blackened in the middle of the lotus root may be because the lotus root in the picking or transportation has broken, resulting in mud into the stubborn mud stains caused by or lotus root internal long time and air contact oxidation caused by such lotus root as long as cleaned up, or will be dug out are edible.
However, the lotus root needs to be stored in a dry environment. If the lotus root has deteriorated, for example, there is localized rotting, there will also be blackening in the hole of the lotus root. Or if the lotus root has been cut and stored for a long time, it can be blackened by a large number of bacteria, which can cause deterioration. At this time, it is not allowed to eat.