Silkworm pupa is pure green food, protein content is very high, it is said that the nutritional value of a silkworm pupa and two eggs. The nutritional value of silkworm pupae is very high, not only the amino acid variety, and 8 kinds of human nutrition must be balanced amino acids. Healthy silkworm pupa placed for a long time, its body will be contaminated by germs, so that the silkworm pupa fermentation, mold, into a "toxic pupa". Certain silkworm pupae itself that there is a silkworm eggs, silkworm feces spread by the amoeba disease, eating this "congenital deficiency" of silkworm pupae is very easy to occur after the toxic reaction. Some of the silkworm pupa molds, bacteria, parasites and other growth and reproduction has become a climate, the treatment and "big trouble", these toxins will make the pupa body protein denaturation, and decomposition of toxins, some people are sensitive to toxins, eating silkworm pupa on an empty stomach before the meal, the toxins absorbed more, will cause poisoning. If you eat silkworm pupae while drinking, poisoning will be more serious.

So it proves that healthy silkworm pupae placed for a long time, only toxic.