“A 30 ….1 mM CuCl2 suppressed responses to single concentrations of the following sweeteners: L-alanine, L-…-chloro-D-tryptophan, L-valine, glycine, sucrose, maltose, lactose, tetrachloro-galacto-sucrose, glucose , fructose, methyl alpha-D-glucopyranoside, glycerol, sorbitol, sodium saccharin, L-…-2-2-trifluoro acetamido)succinanilic acid, phenethyurea, and stevioside.”