p-Menthene-8-thiol

Chemical properties

p-Menthene-8-thiol has been identified in grapefruit juice. It is a liquid with an extremely powerful, obnoxious odor; when diluted, it has the typical aroma of fresh grapefruit juice. Its odor threshold value is extremely low: 2×10^-5 μg/kg for the (+)-R and 8×10^-5 μg/kg for the (?)-S isomer.

Chemical properties

1-p-Menthene-8-thiol has an aroma and taste of grapefruit in dilute solution.

Occurrence

Reported found in grapefruit juice.

Definition

ChEBI: 2-(4-Methylcyclohex-3-en-1-yl)propane-2-thiol is a p-menthane monoterpenoid.

Aroma threshold values

Aroma characteristics at 0.01%: grapefruit, sulfurous catty, citrus, thiomenthone, slightly cooling, green rindy, juicy with nootkatone.

Taste threshold values

Taste characteristics at 0.01 ppm: bitter, waxy, citrus, clean grapefruit, fresh-squeezed juicy with nootkatone and orange juice nuances.