All three chimpanzees showed clear preferences for all substances presented. The taste preference thresholds varied a little between the individuals.
The mean taste preference thresholds for the chimpanzees were:
►Sucrose: 20 mM
►Glucose: 80 mM
►Lactose: 80 mM
►Maltose: 80 mM
►Fructose: 40 mM
►Stevioside: 0,05 mM
►Rebaudioside A: 0,03 mM
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