Description
Hydroxynonanoic acid, δ-lactone has a mild, nut-like odor and a
fatty, milk-creamy taste. May be prepared by microbiological
reduction of the corresponding keto acids, by a patented process.
Chemical Properties
Hydroxynonanoic acid, δ-lactone has a mild, nut-like odor and a fatty, milk-creamy taste
Occurrence
Reported as responsible for the off-flavor in milk fat. Also found in melon, butter, chicken fat, grilled beef,
cured pork, pork fat and liver, beer, malt and bourbon whiskey, cognac, rum, white wine, black tea, asparagus, mango, starfruit,
mountain papaya and cooked shrimps
Uses
Suggested uses are in curry, nut, tomato, tropical, caramel and dairy flavors. In fragrance applications, this compound delivers apricot, butter, grape, passion fruit, plum, tea green and tobacco notes.
Definition
ChEBI: 6-Butyltetrahydro-2H-pyran-2-one is a delta-lactone.
Preparation
By microbiological reduction of the corresponding keto acids; by a patented process
Taste threshold values
Taste characteristics at 10 ppm: creamy, coconut, lactonic, sweet and dairy-like with milky nuances.
