Cross-Adaptation Effects Among Five Odorants of the T and T Olfactometer

Abstract

The T and T olfactometer (Daiichi Yakuhin Kogyo Co., Ltd., Tokyo, Japan) is composed of five odorants; beta-phenyl ethyl alcohol (A), methyl cyclopentenolone (B), isovaleric acid (C), gammaundecalactone (D), and skatole (E). After a high concentration level of one of the odorants was sniffed by a subject for 1 min, the influence on the thresholds of the four other odorants (cross-adaptation effects) was checked (filter paper method). In a previous report, the cross-adaptation (CA) effects of odor A influenced by C and odor A by D were detected for three subjects and odor C by A for one subject [1].