... amino acids is natural nutrition Food, which composed from a proportional small peptides and compound Amino Acids adopted bioenzymic directing ... and the World Health Organization ). Silkworm amino acids is a high-quality insect protein ,very suitable for human's demands ... copper, manganese, zinc, phosphorus , selenium and other trace elements and vitamine A, E, B1, B2, carotene, Etc, all of these are ...