Bee collected pollen has been studied for many decades. I have written on the subject: https://drive.google.com/open?id=0B5dxtbosHna7QU05NzU2N3dZYmM&authuser=0 Link to my other articles: https://drive.google.com/open?id=0B5dxtbosHna7MmpjQjlRd1JBWHc&authuser=0 Let me know if these links don't work. PLB *********************************************** The BEE-L mailing list is powered by L-Soft's renowned LISTSERV(R) list management software. For more information, go to: http://www.lsoft.com/LISTSERV-powered.html