Fig 1.
Δ indicates double bond and respective positions.
Fig 2.
Total ion chromatogram of wheat seedlings extract.
Numbers indicate eight of the thirteen sterols identified as shown in Table 1; IS, internal standard.
Table 1.
Concentrations (pg/g) of sterols in 5th instars desert locusts fed on wheat seedlings.
Fig 3.
Representative total ion chromatogram of the oral secretion, foregut and midgut of the desert locust after feeding on wheat seedlings.
Numbers 1–13 indicate sterols identified as shown in Table 1; IS, internal standard.
Table 2.
Concentration (pg/mg) of cholesterol metabolites in various tissues after incubation with normal cholesterol (C) and labeled Cholesterol-[4-13C] (C-[4-13C]).
Fig 4.
Representative total ion chromatogram of the foregut and midgut of the desert locust after incubation with cholesterol-[4-13C] with an expanded view of the identified cholesterol metabolites (retention time 35–50 min)].