Fig. 2From: An extract from the frass of swallowtail butterfly (Papilio machaon) larvae inhibits HCT116 colon cancer cell proliferation but not other cancer cell typesComparison of the metabolites included in each extract using TLC analysis. The different spots between extracts from frass and extracts from host plants are shown as arrowheads for Hex. ext. (A), Chl. ext. (B) and Met. ext. (C)Back to article page