1954 年 28 巻 3 号 p. 248-250
Authors studied on the rational utilization of silkworm feces. Results obtained were as follows:
1. The best material for extracting crude chlorophyll was the 5th instar feces.
2. The unsaponifiable matter of silkworm feces contained the crystal of m. p. 179_??_180° and the sitosterin of m. P. 137_??_138°.