Phytosterol structure and its impact on feeding behaviour in the generalist grasshopper Schistocerca americana

alimentation antifeedants behaviour cholesterol colesterol comportamiento comportement comportement alimentaire diet dieta espinaca esteroles estigmasterol extractos vegetales feeding feeding habits fitosteroles inhibidores del apetito phytosterols plant extracts schistocerca americana sitosterol spinach spinacia oleracea sterol sterols stigmasterol