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).
Uses
Dipropyl Trisulfide can be used to determine the antibrowning and antimicrobial effects of onion essential oil to preserve the quality of cut potatoes
Preparation
By adaptation of Westlake’s procedure.
Definition
ChEBI: Dipropyl trisulfide is an organic trisulfide.
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
Synthesis Reference(s)
The Journal of Organic Chemistry, 22, p. 145, 1957
DOI: 10.1021/jo01353a011