Analysis of volatile compounds in three unifloral native Chilean honeys Análisis de compuestos volátiles en tres mieles monoflorales nativas de Chile

Three unifloral honeys were identified by the pro - nounced presence of specific compounds by means of sensorial analysis and SPME-GC-MS. Smoky and resinous ('propolis') odors characterized unifloral "quillay" ( Quillaja saponaria) honey. "Coron- tillo" (Escallonia pulverulenta) honey was characterized by caramel and vanillin aromas, and "ulmo" (Eucryphia cordifolia) honey by hav- ing an anise scent with a floral jasmine note. Safranal was a useful marker for "corontillo" honey. Isophorone and cetoisophorone were the distinctive compounds of unifloral "ulmo" honey. In "quillay" honeys, megastigmatrienone, 2-p-hydroxyphenylalcohol and minor quantities of β-pinene and linalool oxide were correlated with their sensory properties such as resinous.