Salicylic acid mitigates drought stress in Lippia citriodora L.: Effects on biochemical traits and essential oil yield

Dianat, M.; Saharkhiz, Mohammad Jamal; Tavassolian, Iraj

doi:10.1016/j.bcab.2016.10.010

Cited by 59 publications

(35 citation statements)

References 44 publications

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“…EO content was determined on the basis of dry matter (ml/100 D.M.). The removal of moisture from EOs was performed by adding 0.5 g sodium sulfate and then keeping in dark vials at 4°C until the time of analysis (Dianat, Saharkhiz, & Tavassolian, 2016).…”

Section: Essential Oil Extractionmentioning

confidence: 99%

Effect of cold plasma on essential oil content and composition of lemon verbena

Ebadi

Abbasi

Harouni

et al. 2019

Food Science & Nutrition

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Cold plasma is known as a novel nonthermal processing method for decontamination of medicinal and aromatic plants ( MAP s); however, there are little research studies about its effects on active ingredients of these plants. The aim of this research was to investigate the influence of low‐pressure cold plasma ( LPCP ) treatments (1, 3, and 5 min) on the essential oil (EO) content and composition of lemon verbena leaves. The EO content was determined using hydro‐distillation, and the composition of the extracted EOs was quantified using gas chromatography and gas chromatography–mass spectrometry techniques. The results showed that by increasing the LPCP treatment duration, the EO content was reduced from 1.2 to 0.9 (% v/w). The highest content of monoterpene hydrocarbons (e.g., limonene) and oxygenated sesquiterpenes (e.g., spathulenol and globulol) was also observed in LPCP ‐treated ones, whereas the oxygenated monoterpenes (e.g., citral) content of control was measurably higher than those treated with LCPC .

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Section: Essential Oil Extractionmentioning

confidence: 99%

Effect of cold plasma on essential oil content and composition of lemon verbena

Ebadi

Abbasi

Harouni

et al. 2019

Food Science & Nutrition

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“…A quantificação de prolina foi realizada de acordo a metodologia adotada por Dianat et al (2016), com algumas modificações. Brevemente, 0,5 g de matéria fresca foi macerada, homogeneizada em 10 mL de ácido sulfossalicílico 3% (v/v), sendo posteriormente centrifugadas à 3000 rpm por 10 minutos.…”

Section: Methodsunclassified

“…Ao comparar o teor de prolina com Lippia citriodora, mantidas a 25% da capacidade de campo, combinado a 300 mg L -1 de ácido salicílico, Dianat et al (2016) observaram baixos teores de prolina entre 0,20 a 0,25 µmol g -1 de massa fresca. Segundo os autores, mesmo baixo, para a espécie, este valor é uma resposta da planta submetida ao estresse hídrico e ácido salicílico, que desempenha funções fisiológicas análogas ao silício.…”

Section: /9unclassified

“…Dessa forma, os resultados apresentados mostram que a produção de um determinado metabólito em resposta ao estresse hídrico é um fenômeno espécie-específica em que a aplicação de Si, pode melhorar a produção dos metabólitos de interesse e preservar o DNA para algumas espécies ou prejudicar a integridade de outras (Costa et al, 2016). É importante salientar que a função do Si no vegetal depende de fatores abióticos, bióticos e genéticos (Karatas et al, 2014;Dianat et al, 2016). Pode-se então atribuir as variações observadas dos teores de Si ao fator genético (Giongo & Bohnen 2011).…”

Section: /9unclassified

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Prolina livre e flavonoides totais de Lippia origanoides submetidos a níveis de saturação por base e estresse hídrico

Meira

Martins

Alvarenga³

2019

Agraria

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AGRONOMIA (AGRONOMY) RESUMO: Objetivou-se avaliar o comportamento dos acessos de alecrim-pimenta (Lippia origanoides) em diferentes níveis de saturação por base e estresse hídrico a partir dos teores de prolina livre, flavonoides totais e acúmulo de silício. O experimento consistiu de cinco acessos submetidos a níveis de saturação por base com agrossilício (0,92; 2,47; 4,0; 5,55 e 7,09 g de Si), cujas avaliações foram feitas durante a irrigação diaria e sob suspensão hídrica de 10 dias. A prolina foi obtida por meio de ácido sulfosalicílio e ninhidrina ácida, o flavonoide foi a partir de extrato metanólico e cloreto de alumínio e o silício por meio de azulde-molibdênio. As absorbâncias foram registradas em 520 nm para a prolina, 425 nm para flavonoides e 660 nm para silício. Os resultados foram submetidos à análise de variância e de regressão a 5 % de significância. A melhor saturação por bases entre os acessos variou entre 20 a 50%. Os acessos ICA-3 e ICA-4 foram os que apresentaram a melhor produção para as duas variáveis, com capacidade de acumular até ±3,0 µmol g-1 de prolina livre na matéria fresca e até ±250 mg RE g-1 de flavonoide na matéria seca. O acesso ICA-3 apresentou maior acúmulo de silício nas folhas. Assim, a adição de 2,17 t ha-1 de agrossilício em cultivo de Lippia origanoides, favorece a produção de metabolitos secundários sob estresse hídrico.

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“…Plants that are adapted to warm seasons tend to restrict their growth outside of these ideal environmental conditions. Studies have been conducted with the Aloysia triphylla species (Brant et al, 2010;Paulus et al, 2013;Zeppenfeld et al, 2014;Ebadi et al, 2015;Dianat et al, 2016), since the species has aroused economic interest in the exploration of compounds with therapeutic properties.…”

Section: Introductionmentioning

confidence: 99%

Biomass and morphological parameters of lemon verbena (Aloysia triphylla) under different shading levels during different seasonal conditions

Schmidt¹,

Caron²,

Menegat³

et al. 2017

Aust J Crop Sci

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Shading greenhouse may be an effective method to achieve a suitable environment for crop growth in subtropical regions. The aim of this study was to evaluate the production of leaves and branches as well as the morphological parameters of height and leaf area of the species Aloysia triphylla, under different shading levels throughout the seasons of the year. A randomized block design in factorial scheme 3x4x6, i.e., three levels of shading (0%, 30% and 50%), four seasons (summer, autumn, winter and spring) and six collection in each season (15, 30, 45, 60, 75 and 90 days after the beginning of each season), with four replications, was used. All evaluations were performed in 2012, since in the first evaluation (summer) the plants had 65 days after transplanting and the last evaluation (spring) the plants had 315 days after transplanting. The dry matter of leaves and branches, leaf area, and plant height were evaluated. The production of the dry matter of leaves and branches, and height and leaf area for the species Aloysia triphylla is influenced by shading levels and the seasons of the year. The variables are highly dependent on the seasonality of meteorological elements such as temperature, solar radiation, rainfall, and frost. In an environment with 0% shading, the dry matter production of leaves was 60.8 % higher in the spring, than those observed for the 30% and 50 % of shading, while this levels resulted higher production in the summer. We showed that the use of shading screens in order to attenuate the solar radiation in places or seasons where there is high light intensity is an effective method to achieve higher production of leaves, which is important source for the oil production.

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Salicylic acid mitigates drought stress in Lippia citriodora L.: Effects on biochemical traits and essential oil yield

Cited by 59 publications

References 44 publications

Effect of cold plasma on essential oil content and composition of lemon verbena

Effect of cold plasma on essential oil content and composition of lemon verbena

Prolina livre e flavonoides totais de Lippia origanoides submetidos a níveis de saturação por base e estresse hídrico

Biomass and morphological parameters of lemon verbena (Aloysia triphylla) under different shading levels during different seasonal conditions

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