Chemical Properties
Propyl isobutyrate has a pineapple-like odor and a corresponding sweet flavor.
Occurrence
Reported found in several natural products including apple, olive, spineless monkey orange, Gruyere de Comte
cheese, honey, hop oil, olives and Roman chamomile oil.
Definition
ChEBI: Propyl 2-methylpropanoate is a carboxylic ester.
Preparation
From propyl alcohol and isobutyric acid in benzene solution in the presence of concentrated H2SO4.
Aroma threshold values
Detection: 0.086 to 0.43 ppb
Taste threshold values
Taste characteristics at 5 to 15 ppm: sweet, fruity, with ripe, tropical, tutti-fruiti and citrus melon nuances.