Studies on the Sterol ofBombyx moriL

In whole stages of Bombyx silkworm it was shown with gas-liquid chromatographic systems that silkworm-sterols consist of three sterols such as cholesterol, β-sitosterol, and campesterol, at least, and the sterols in the 5th instar larva contain afore-mentioned three sterols and an additional unknown sterol. Moreover, the sterol composition of the silkworm was studied in various stages.