Extrato de aroma

摘要

Extraction of aromas comprises: (a) preparing a mixture containing at least a source of sulphur, a reducing sugar, a phosphate and water; (b) heating at 50-180 degrees C for 30 minutes to 5 hours; (c) liquid extraction with a counter current of carbon dioxide to 70-350 bar; (d) separating to obtain a liquid extract of flavour; and optionally (e) drying to give a powdered flavouring.