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Isolation and Identification of Lipids from the Silkworm (Bombyx mori) Droppings
( Bong Hee Sohn ),( Ji Hae Park ),( Dae Young Lee ),( Jin Gyeong Cho ),( Yong Soon Kim ),( In Sik Jung ),( Pil Don Kang ),( Nam In Baek ) 한국응용생명화학회 2009 Applied Biological Chemistry (Appl Biol Chem) Vol.52 No.4
Silkworm (Bombyx mori) droppings were extracted with 80% aqueous MeOH, and the concentrated extract was partitioned successively with EtOAc, n-BuOH, and H2O. Three lipids were isolated from the EtOAc fraction by repeated silica gel and ODS column chromatography. Physico-chemical data including NMR, MS, and IR indicated that the isolated Lipids were β-sitosterol (1), corchorifatty acid E methyl ester (2), and (8E)-10-hydroxydec-8-enoic acid methyl ester (3). Compounds 2 and 3 have, prior to this study, not previously been documented in nature.