http://209.85.165.104/search?q=cache:g_yQZYOzLCIJ:www.erowid.org/plants/morning_glory/morning_glory_faq.shtml+lsa+extraction+alcohol+hold+in+mouth&hl=en&ct=clnk&cd=2&gl=us Could I replace petroleum ether with vegtable oil in this lsa extraction since they are both nonpolar solvents?