Organoleptic Properties and Natural Occurrence
3-Methylthiopropanol is highly valued for its intense savory and meaty characteristics :
Odor/Flavor: At low concentrations, it exhibits a strong, fragrant meat-like or broth-like aroma. When diluted, it develops a distinct soy sauce aroma . It also has notes reminiscent of onions and cooked vegetables.
Natural Presence: It is a naturally occurring volatile compound produced during fermentation by yeast (Saccharomyces cerevisiae) and is found in various foods, including wine (especially in aged varieties), tomatoes, and soy sauce .
Applications
Primary Use: This compound is widely used as a food flavoring agent to impart savory, meaty, and soy sauce notes to food products . Its primary application is in sauce seasonings. In Japan, its use as a food additive is strictly regulated for flavoring purposes only .
Industrial Use: Beyond food flavoring, it is also used as an odorant for liquefied petroleum gas (LPG) , added in ppm quantities to help detect gas leaks due to its strong, unpleasant smell
Storage
Should be stored in a cool, dry place away from strong oxidizers.
