A comprehensive study on essential oil samples of Foeniculum vulgare Miller from Tarquinia (Italy) is reported. A 24-h systematic steam distillation was performed on different harvested samples applying different extraction times. The GC-MS analysis of the residue outcome showed o-cymene, α-phellandrene, α-pinene and estragole as the major constituents. The predominance and continued presence of o-cymene makes this fennel oil a rather unique chemotype. An evident correlation between the antifungal activity and phenological stage is demonstrated. The most active fractions were particularly rich in estragole, as well as a significant amount of fenchone that possibly exerts some additive effect in the expression of overall antifungal potency. Pre-fruiting material produced oil particularly rich in o-cymene. With reference to the duration of the extraction, the maximum amount of oil was released within the first 3 h, whereas the reproductive phase material needed at least 6 h for the extraction.

Essential oil extraction, chemical analysis and anti-candida activity of foeniculum vulgare Miller - new approaches / Garzoli, Stefania; Bozovic, Mijat; Baldisserotto, Anna; Sabatino, Manuela; Cesa, Stefania; Pepi, Federico; Vicentini, Chiara Beatrice; Manfredini, Stefano; Ragno, Rino. - In: NATURAL PRODUCT RESEARCH. - ISSN 1478-6419. - STAMPA. - 32:11(2018), pp. 1254-1259. [10.1080/14786419.2017.1340291]

Essential oil extraction, chemical analysis and anti-candida activity of foeniculum vulgare Miller - new approaches

GARZOLI, STEFANIA;BOZOVIC, MIJAT;SABATINO, MANUELA;CESA, Stefania;PEPI, Federico;RAGNO, Rino
2018

Abstract

A comprehensive study on essential oil samples of Foeniculum vulgare Miller from Tarquinia (Italy) is reported. A 24-h systematic steam distillation was performed on different harvested samples applying different extraction times. The GC-MS analysis of the residue outcome showed o-cymene, α-phellandrene, α-pinene and estragole as the major constituents. The predominance and continued presence of o-cymene makes this fennel oil a rather unique chemotype. An evident correlation between the antifungal activity and phenological stage is demonstrated. The most active fractions were particularly rich in estragole, as well as a significant amount of fenchone that possibly exerts some additive effect in the expression of overall antifungal potency. Pre-fruiting material produced oil particularly rich in o-cymene. With reference to the duration of the extraction, the maximum amount of oil was released within the first 3 h, whereas the reproductive phase material needed at least 6 h for the extraction.
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11573/978523
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