https://www.nature.com/articles/s41598-017-11592-4
"The results of the metabolomic analysis in this study showed that the contents of vitamins, including thiamine, biotin, alpha-tocopherol, and riboflavin, in the hemolymph of silkworms reared on the artificial diet were significantly lower than those of silkworms reared on mulberry leaves, and these differences were still significant after excluding the effect of genetic factors of silkworm strain and gender."
"The results of the metabolomic analysis in this study showed that the contents of vitamins, including thiamine, biotin, alpha-tocopherol, and riboflavin, in the hemolymph of silkworms reared on the artificial diet were significantly lower than those of silkworms reared on mulberry leaves, and these differences were still significant after excluding the effect of genetic factors of silkworm strain and gender."
