In my opinion , one of the best methods of getting to the Objectives of Mr.Hasan is to grind the insects in a blender grinder with little water in it , filter the suspension through a fine sieve, do the Soxhlet extraction , purify the Extract concentrate by the Cellulose or Silica Flash Column Chromatography, collect the Fractions , analyse the contents with HPLC / later C13- NMR , this way you will get the known pure forms of the glucose containing metabolites for your research purpose. Dr Abid Aziz Ajaz.