Chemical Properties
Dipropyl trisulfide has a very powerful, diffusive, garlic-like odor.
Occurrence
Reported found as a volatile constituent in onion oil. Also found in roasted onion, shallot, onion, leek (raw), chive, nobiru (Allium grayi Regal), roasted peanut and durian (Durio zibethinus).
Preparation
By adaptation of Westlake’s procedure.
Taste threshold values
Taste characteristics at 2.0 ppm: alliaceous, sulfurous, green and garlic-like with a tin-like metallic undernote and with minty and tropical nuances