Screening the essential oil composition of wild Sicilian fennel

Napoli, Edoardo; Curcuruto, Giusy; Ruberto, Giuseppe

doi:10.1016/j.bse.2010.01.009

Cited by 60 publications

(37 citation statements)

References 25 publications

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“…Overall, samples were mainly constituted of estragole (49-54 %) and considerable amounts of phellandrenes (12.3-26.8 %) and fenchone (9-12 %). Similar contents of estragole, fenchone and trans-anethole have been reported in previous works (Barazani et al 2002;Napoli et al 2010). Estragole and trans-anethole (phenylpropanoid derivatives) as well as fenchone and limonene (cyclic monoterpenes) have been identified as the major volatile constituents of EOs from F. vulgare var.…”

Section: Discussionsupporting

confidence: 64%

“…According to some authors, and as we could observe, the presence of fenchone in high amounts is a distinctive characteristic of the vulgare variety of fennel (Miraldi 1999;Barazani et al 2002). Moreover, many studies confirmed that the major volatile fraction consists of phenylpropenes, estragole and/or trans-anethole, but their relative proportion varies according to the population and the chemotype (Barazani et al 2002;Napoli et al 2010). The plants characterized herein accumulated substantial amounts of estragole, but had lower trans-anethole contents (1-4 %).…”

Section: Discussionmentioning

confidence: 75%

“…Estragole and trans-anethole (phenylpropanoid derivatives) as well as fenchone and limonene (cyclic monoterpenes) have been identified as the major volatile constituents of EOs from F. vulgare var. vulgare fruits (Napoli et al 2010) and oleoresins (Barazani et al 2002;Gross et al 2009). According to some authors, and as we could observe, the presence of fenchone in high amounts is a distinctive characteristic of the vulgare variety of fennel (Miraldi 1999;Barazani et al 2002).…”

Section: Discussionmentioning

confidence: 98%

“…According to Telci et al (2009), the maturation stage and harvesting time have a notable influence on the EO yield of F. vulgare fruits. In fact, pronounced variations of EO yield were found in fruits of bitter fennel (0.4-6.8 %) (Napoli et al 2010) and sweet fennel (F. vulgare subsp. vulgare var.…”

Section: Discussionmentioning

confidence: 99%

“…In our opinion, the survey and identification of local species suitable for cultivation as potential sources of biological pesticides comprise a preemptive and sustainable strategy to meet forthcoming needs for the control of vectors, hosts and parasites in a specific area of the globe. Therefore, we focused our study on both biopesticidal activity and productivity-related aspects of a widespread hemicryptophyte variety particularly well adapted to the temperate climates of the Mediterranean region (Napoli et al 2010).…”

Section: Discussionmentioning

confidence: 99%

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Larvicidal, molluscicidal and nematicidal activities of essential oils and compounds from Foeniculum vulgare

et al. 2014

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Plant-based products, namely essential oils (EOs), are environmentally friendly alternatives for the control of disease vectors, hosts and/or parasites. Here, we studied the general toxicity and biopesticidal potential of EOs and phenylpropanoids from Foeniculum vulgare var. vulgare (bitter fennel), a perennial plant well adapted to temperate climates. EO/compound toxicity was tested against a freshwater snail and potential intermediate host of Fasciola hepatica (Radix peregra), a mosquito and former European malaria vector (Anopheles atroparvus) and one of the most damaging plant-parasitic nematodes, the root-knot nematode (Meloidogyne javanica). Lethal concentrations (LC 50 ; LC 90 ) of EOs (infrutescences/stems with leaves) and compounds were calculated by probit analysis. All displayed noteworthy activity against R. peregra adults (LC 50 21-39 lg ml -1 ) and A. atroparvus larvae (LC 50 16-56 lg ml -1 ). trans-Anethole revealed acute nematicidal activity after 24 and 48 h (LC 50 310 and 249 lg ml -1 , respectively), and estragole (1,000 lg ml -1 ) showed some effectiveness against M. javanica hatching and juveniles after 15 days. Plant and EO yields were determined to evaluate the bitter fennel productivity. The chemical composition of the EOs was analyzed by gas chromatography coupled to mass spectrometry. EOs extracted from whole plants, infrutescences and stems with leaves were characterized by estragoledominant profiles (28-65 %), considerable amounts of phellandrene (10-34 %) and fenchone (6-16 %), and minor trans-anethole contents (1-4 %). Although additional toxicological studies against nontarget organisms are required, our study demonstrates that bitter fennel is a productive source of molluscicides and larvicides, and thus a potential sustainable biological agent to control particular host species, namely freshwater snails and mosquitoes.

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Section: Discussionsupporting

confidence: 64%

Section: Discussionmentioning

confidence: 75%

Section: Discussionmentioning

confidence: 98%

Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

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Larvicidal, molluscicidal and nematicidal activities of essential oils and compounds from Foeniculum vulgare

et al. 2014

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Aromatic Plants: Use and Nutraceutical Properties

Landi

2014

Novel Plant Bioresources

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Comprehensive Research on Essential Oil and Phenolic Variation in Different Foeniculum vulgare Populations During Transition from Vegetative to Reproductive Stage

Salami

Rahimmalek

Ehtemam

2017

Chemistry & Biodiversity

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Chemical composition and antioxidant activity of four fennel populations (England, Spain, Poland and Iran) were investigated during six developmental stages including two vegetative and four reproductive phases. In reproductive phase, the essential oil content of fruits decreased and the maximum content (5.9%) was obtained in immediate fruits. The essential oils were analyzed using GC/MS. trans-Anethole was the main component of the leaves and the fruits oil. In leaves, it ranged from 41.28% in England at late vegetative stage to 56.6% in Poland population at early vegetative stage. Other major compounds of leaves were limonene, α-pinene and (Z)-β-ocimene. In reproductive phases the trans-anethole increased dramatically. It varied from 85.25% in immature fruits from Poland to 90.7% in pre-mature stage from Spain. The highest phenolic content in the extracts at different growth stages obtained 189 mg TAE/g DW at full mature stage of seed in Iran population. The flavonoid of leaves extract ranged from 3 to 7.5 mg QUE/g DW, while in fruits extract varied from 3 to 10.3 mg QUE/g DW. Antioxidant activity of the extracts was evaluated using 1,1-diphenyl-2-picrylhydrazy (DPPH) and β-carotene model systems. Immature and full mature growth stages of fennel population from Spain indicated the highest activity in quenching of DPPH radical (74.2% and 74.5, respectively). Antioxidant activities of the extracts had high positive correlation with their phenolic contents in all fruit maturity stages. Finally, it might probably be suggested that in fennel the hot and humid condition can lead to increase trans-anethole, while the hot and dry one can produce higher amount of phenolics and flavonoids.

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Screening the essential oil composition of wild Sicilian fennel

Cited by 60 publications

References 25 publications

Larvicidal, molluscicidal and nematicidal activities of essential oils and compounds from Foeniculum vulgare

Larvicidal, molluscicidal and nematicidal activities of essential oils and compounds from Foeniculum vulgare

Aromatic Plants: Use and Nutraceutical Properties

Comprehensive Research on Essential Oil and Phenolic Variation in Different Foeniculum vulgare Populations During Transition from Vegetative to Reproductive Stage

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