ELECTROPHYSIOLOGICAL RESPONSES TO SUGARS 183 



Table 1. Relative sweetness or stimulation ability of sugars 



* Equal weights of sugars used in test solutions. 



D-fructose 



L-sorboae 



D-galacto»e 



mmMkMmmtmmm 



hmihMUmikmi 



*•!*« 



D-gluco8e 



ia-MMiMiMM 



D-mannose 



mmmmakmm^iM 



i-^ 



^•iUkmMmUmmk 



Maltose 



MiiiiM 



Fig. 6. Records from thin strand of chorda tympani containing only one 



functional fibre. Note the large responses to D-fructose and sucrose as compared 



to those of D-galactose and lactose. Time in seconds. 



