Tall asparagus is very valuable and is an aquatic vegetable. If there is a black spot inside, it is not to be eaten for safety reasons. Black spots are mainly black powder bacteria within the asparagus to stimulate and become, a small amount of food may not affect the health of the body, will not affect the nutrients in the asparagus, but a large number of eat more than one may appear gastrointestinal irritation, which triggered diarrhea and other phenomena.

On a regular basis, it is best to pick the asparagus that has not produced black spots to eat, so that you can avoid the stimulation of the black powder bacteria on the intestinal tract.