Volatiles from Magnolia grandiflora flowers: comparative analysis by simultaneous distillation-extraction and solid phase microextraction.

The composition of the volatile compounds isolated by simultaneous distillation-extraction (SDE) and headspace-solid phase microextraction (SPME) from flowers of Magnolia grandiflora growing in Cuba was investigated by GC/FID and GC/MS. Sixty-seven and thirty-four components were obtained by SDE and SPME, respectively. beta-Pinene (10.5%), geraniol (7.4%) and germacrene D (6.2%) were the main constituents of the volatile oil isolated by SDE, while (E)-beta-ocimene (24.6%), geraniol (18.9%), beta-elemene (11.2%) and germacrene D (9.9%) were the most abundant in the headspace of the flowers, respectively.