Exogenous salicylic acid stimulates physiological and biochemical changes to improve growth, yield and active constituents of fennel essential oil

Hashmi, Nadeem; Khan, M. Masroor A.; Moinuddin, Mohammed; Idrees, Mohd.; Aftab, Tariq

doi:10.1007/s10725-012-9716-0

Cited by 42 publications

(27 citation statements)

References 44 publications

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“…In agreement with the present work, Hashmi et al (2012) evaluated fennel plants treated with SA, and showed that the application of 0.1 mM SA resulted in significant increases in the essential oil content. However, the essential oil yield did not show a significant response to the SA treatments.…”

Section: Essential Oilsupporting

confidence: 92%

Increased biomass and salicylic acid elicitor activity in fennel (Foeniculum vulgare Miller)

Gorni

Brozulato

Lourenção

et al. 2017

Braz. J. Food Technol.

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Fennel is a medicinal and aromatic plant that is commonly used in Brazilian cuisine and in the manufacture of cosmetics. The exogenous application of salicylic acid (SA) can act on the hormonal action stimulating plant growth and development and the induction of plant defense responses under stressful conditions. The objective of this study was to determine the effect of the foliar application of SA on the production of biomass and synthesis of secondary compounds in fennel plants. For this purpose, an experiment was carried out in potted plants in a greenhouse with the application of SA at concentrations of 0, 0.25, 0.50 and 1.00 mM, 20 days and 90 days after transplanting the seedlings to the pots. The effect of SA on the metabolism of the fennel plants was evaluated using growth and biochemical parameters. The exogenous application of SA increased the plant shoots dry weight at the concentration of 0.50 mM, whereas an improved dry root mass and root/shoot ratio was achieved with the concentration of 0.25 mM. The elicitor effect was observed at 0.25 mM of SA, resulting in greater economic value of the biomass due to the higher production of secondary compounds, such as phenolic compounds and flavonoids. In addition, an increase in antioxidant activity of the plant extracts and of the essential oil content of the species was obtained at the concentration of 1.00 mM. Keywords: Fennel; Antioxidant activity; Phenolic compounds; Essential oil; Secondary metabolism. ResumoO funcho é uma planta medicinal, condimentar e ornamental, utilizada na culinária brasileira e na fabricação de cosméticos e de fitoterápicos. A aplicação exógena do ácido salicílico (AS) pode agir na ação hormonal, estimulando o crescimento e o desenvolvimento vegetal, e na indução das respostas de defesa das plantas. O objetivo deste trabalho foi determinar o efeito da aplicação foliar de AS sobre a produção de biomassa e a síntese de compostos secundários em plantas de funcho, uma espécie medicinal produzida comercialmente como matéria-prima para a indústria mundial de fitomedicamentos. O experimento foi conduzido em plantas envasadas em estufa, sem controle de umidade e temperatura. A aplicação do AS foi efetuada nas concentrações 0; 0,25; 0,50 e 1,00 mM, aos 20 dias e 90 dias após o transplante das mudas para os vasos. O efeito do AS sobre o metabolismo das plantas de funcho foi avaliado através de parâmetros biométricos de crescimento e bioquímicos. Conclui-se que a aplicação exógena de AS constitui-se em técnica de manejo vantajosa para a obtenção de aumento na biomassa das plantas de funcho: massa seca da parte aérea, na concentração de 0,50 mM, e massa seca de raízes e razão raiz/parte aérea, na concentração de 0,25 mM. O efeito elicitor foi obtido na concentração de 0,25 mM de AS, resultando em maior valor econômico da matéria-prima, devido ao aumento na produção de compostos secundários, tais como fenóis totais e flavonoides, além de um concomitante aumento na atividade antioxidante do extrato vegetal e no teor do óleo essencial ...

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Section: Essential Oilsupporting

confidence: 92%

Increased biomass and salicylic acid elicitor activity in fennel (Foeniculum vulgare Miller)

Gorni

Brozulato

Lourenção

et al. 2017

Braz. J. Food Technol.

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“…After 48 hours of treatment, changes in biomass accumulation were observed. The similar pattern of biomass accumulation was recorded in foliar sprayed fennel (Hashmi et al 2012) or pepper plants (Elwan & El-Hamahmy 2009). Visible increase of biomass was also detected in chamomile plants continuously cultivated in medium enriched by 2 mM SA or with low concentration of SA (250 µM) (Kováčik et al 2009).…”

Section: Discussionsupporting

confidence: 72%

Salicylic acid regulates secondary metabolites content in leaves of Matricaria chamomilla

2013

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The influence of increasing doses of salicylic acid (SA) on selected physiological parameters and the content of coumarin-related compounds of diploid and tetraploid cultivars of Matricaria chamomilla plants were studied. Forty-eight hours after treatment SA showed growth-promoting effect with decrease in tissue water content, chlorophylls and soluble proteins. High doses of SA led to an increase of reactive oxygen species (hydrogen peroxide and superoxide radical) resulted in membrane damage (measured by accumulation of malondialdehyde). Changes in secondary metabolites accumulation in leaves were also observed. The pattern of quantitative changes of studied compounds was similar in tetraploid and diploid plants. The content of herniarin and its precursor (Z )-and (E )-2-β-D-glucopyranosyloxy-4-methoxycinnamic acid increased simultaneously. A considerable increase of umbelliferone and decrease in chlorogenic acid was registered. The rise of ene-yne-dicycloether in treated plant was also detected.

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“…Miguel et al (2011) studied distillation time on Salvia officinalis, however the main constituents in the essential oil did not fluctuate significantly during distillation, contrary to the hypothesis in our study. Application of salicylic acid at a concentration of 10 −4 M to fennel foliage realized a 70.5% increase in essential oil yield in comparison to controls (Hashmi et al, 2012) along with changes in essential oil composition of (−)-fenchone, methyl chavicol, and transanethole. Zheljazkov et al (2013b) studied the composition changes of essential oil through distillation time in female Juniperus scopulorum plants and found a similar trend for (−)-␣-pinene concentration to our data, suggesting rapid volatilization early in the distillation.…”

Section: Resultsmentioning

confidence: 96%

Method for attaining fennel (Foeniculum vulgare Mill.) seed oil fractions with different composition and antioxidant capacity

Burkhardt

Sintim

Gawde

et al. 2015

Journal of Applied Research on Medicinal and Aromatic Plants

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Exogenous salicylic acid stimulates physiological and biochemical changes to improve growth, yield and active constituents of fennel essential oil

Cited by 42 publications

References 44 publications

Increased biomass and salicylic acid elicitor activity in fennel (Foeniculum vulgare Miller)

Increased biomass and salicylic acid elicitor activity in fennel (Foeniculum vulgare Miller)

Salicylic acid regulates secondary metabolites content in leaves of Matricaria chamomilla

Method for attaining fennel (Foeniculum vulgare Mill.) seed oil fractions with different composition and antioxidant capacity

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