Produtividade e qualidade do óleo essencial de capim-limão, Cymbopogon citratus, DC., submetido a diferentes lâminas de irrigação

Pinto, Daniela Alencar; Mantovani, Everardo Chartuni; Melo, Evandro de Castro; Sediyama, Gilberto Chohaku; Vieira, Gustavo Haddad Souza

doi:10.1590/s1516-05722014000100008

Cited by 10 publications

(5 citation statements)

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“…High geranial and neral levels were found in the chemical composition of lemon grass by Pinto et al (2014), with an average of approximately 51% and 36%, respectively. Lacerda et al (2014) also found octanoic acid as a major constituent in noni essential oil, with 78.81%.…”

Section: Chromatographic Analyses Of Essential Oilsmentioning

confidence: 99%

Essential Oils for Alternative Teak Rust Control

et al. 2018

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The objectives of this study were to evaluate the effect of lemon grass, citronella grass, Mexican-tea and noni essential oils on urediniospore germination of Olivea neotectonae, the agent responsible for rust in Teak (Tectona grandis L.f.); to evaluate the phytotoxic effect of these essential oils on teak seedlings; and to evaluate the use of essential oils to control rust in teak plants when preventively and curatively applied. We found that the noni and lemon grass essential oils inhibited 100% of urediniospore germination. On the other hand, the essential oils from noni and lemon grass caused phytotoxicity when applied to seedlings at concentrations of 2000 and 1500 μL L-1 , respectively. The major constituents found in lemon grass essential oil were Geranial and Neral, while Octanoic Acid was found in noni oil. Lower values in the area below the rust progress curve were observed with the preventive application of lemon grass and noni essential oils.

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Section: Chromatographic Analyses Of Essential Oilsmentioning

confidence: 99%

Essential Oils for Alternative Teak Rust Control

et al. 2018

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“…Irrigation management consists in the rational use of water in order to meet the requirements of the plants, increasing production and water use efficiency (Shock & Wang, 2011;Pinto et al, 2014;Afshar et al, 2014). The water balance is one way of managing irrigation, considering the processes of absorption, conduction and loss of water.…”

Section: Introductionmentioning

confidence: 99%

Irrigation and organic fertilization on the production of essential oil and flavonoid in chamomile

Aleman

Marques

2016

Rev. bras. eng. agríc. ambient.

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A B S T R A C TThe therapeutic efficacy of herbal medicines and pesticides has increased the need to define cultivation parameters for medicinal plants. The objective of this study was to evaluate the production of essential oil and flavonoids of chamomile under irrigation levels and organic fertilizer doses. The experiment was conducted in the experimental area of the Campus II of the University of Western São Paulo, in the city of Presidente Prudente, SP, Brazil. The experimental design was a randomized block in triple factorial (6 x 2 x 3), corresponding to irrigation depths (150, 100, 75, 50, 25 and 0% of the reference evapotranspiration (ETo)), organic fertilizers (poultry manure and cattle manure) and the fertilizer doses (0, 3 and 5 kg m -2 ), with four replicates. The following variables were evaluated: capitulum dry matter, and content and yield of essential oil and flavonoids. For the tested conditions, it is recommended to use 5 kg m -2 poultry manure and water depth equivalent to 150% ETo for the production of essential oil and flavonoid.Irrigação e adubação orgânica na produção de óleo essencial e flavonoides em camomila R E S U M O A eficácia terapêutica de fitoterápicos e fitofármacos tem aumentado a necessidade de definir parâmetros de cultivo para plantas medicinais. O objetivo do presente trabalho foi avaliar a produção de óleo essencial e flavonoides da camomila quanto a lâminas de irrigação e doses de adubo orgânico. O experimento foi conduzido em área experimental do Campus II, da Universidade do Oeste Paulista, na cidade de Presidente Prudente, SP, Brasil. O delineamento experimental foi em blocos ao acaso em esquema fatorial triplo (6 x 2 x 3), sendo a lâmina de irrigação (150, 100, 75, 50, 25 e 0% da evapotranspiração de referência (ETo)), o adubo orgânico (esterco de aves e esterco bovino curtido) e a dose do adubo (0, 3 e 5 kg m -2 ) e quatro repetições. Foram avaliados a massa seca de capítulos florais, o teor e o rendimento de óleo essencial e o flavonoide; para as condições testadas recomenda-se utilizar 5 kg m -2 de esterco de ave e lâmina de irrigação equivalente a 150% ETo para a produção de óleo essencial e flavonoide. IntroductionChamomile is a medicinal and aromatic plant of great importance for the cosmetic and phytotherapeutic industry. It is the medicinal plant of greatest economic expression in the South region with cultivated area of 2,000 thousand ha in Paraná (Corrêa Júnior & Scheffer, 2014).Irrigation management consists in the rational use of water in order to meet the requirements of the plants, increasing production and water use efficiency (Shock & Wang, 2011;Pinto et al., 2014;Afshar et al., 2014). The water balance is one way of managing irrigation, considering the processes of absorption, conduction and loss of water. The difference between the water absorbed and lost by the plant is a relevant factor for the metabolic processes of adjustment of the plant (Bilibio et al., 2010).In situations of water deficit, medicinal plants can activate the secondary metaboli...

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“…A segurança dos produtos de origem vegetal está diretamente relacionada à qualidade química dos mesmos (9). Na literatura consultada, são citados métodos de controle da qualidade utilizando cromatografia líquida de alta eficiência (CLAE) (10, 11), cromatografia gasosa (CG) (12,13,14), e cromatografia em camada delgada (CCD) (15,16) como eficientes para confirmar a presença de princípios ativos ou marcadores químicos e garantir a qualidade química de produtos farmacêuticos acabados (9).…”

Section: Introductionunclassified