Yield and Composition of the Essential Oil of<i>Ocimum selloi</i>Benth. Cultivated Under Colored Netting

Costa, L.C.B.; Pinto, José Eduardo Brasil Pereira; Castro, Evaristo Mauro de; Alves, Eduardo; Rosal, Louise Ferreira; Bertolucci, Suzan Kelly Vilela; Alves, Péricles Barreto; Evangelino, T.S.

doi:10.1080/10412905.2010.9700260

Cited by 24 publications

(19 citation statements)

References 23 publications

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“…Similarly to V. curassavica, Ocimum basilicum (Chang et al, 2008) and Lippia citriodora (Gomes et al, 2009) grown at different light intensities, also showed higher essential oil content when were grown under full sunlight. As the essential oil yield is a direct result of essential oil content and plant biomass (Costa et al, 2010), and no change in the leaf dry biomass production of V. curassavica was observed, the highest essential oil yield observed under high irradiance, can be attributed to the higher essential oil content found in these conditions.…”

Section: Resultsmentioning

confidence: 93%

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Light affects Varronia curassavica essential oil yield by increasing trichomes frequency

Feijó

Oliveira

Costa

2014

Revista Brasileira de Farmacognosia

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Section: Resultsmentioning

confidence: 93%

“…In V. curassavica the essential oil is secreted and stored in glandular globular trichomes present on the leaf surface (Ventrella and Marinho, 2008), whose frequency and development can be influenced by irradiance (Gomes et al, 2009;Costa et al, 2010).…”

Section: Introductionmentioning

confidence: 99%

Light affects Varronia curassavica essential oil yield by increasing trichomes frequency

Feijó

Oliveira

Costa

2014

Revista Brasileira de Farmacognosia

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“…Os maiores valores foram observados nas plantas cultivadas a pleno sol e sob as malhas preta e vermelha, em comparação aos demais tratamentos. Na literatura, há relatos do aumento do teor de óleo essencial em plantas aromáticas com o aumento da taxa de luminosidade (Burbott & Loomis, 1967;Chang et al, 2008;Costa et al, 2010); contudo, no presente trabalho, isso não ficou evidenciado, pois esse aumento foi observado tanto no cultivo a pleno sol quanto no cultivo sob malhas, o que parece estar mais relacionado a algum tipo de resposta associada à qualidade da luz incidente do que à intensidade luminosa.…”

Section: Resultsunclassified

“…Em plantas medicinais, diversos trabalhos têm mostrado a influência das malhas na produção de biomassa e nos teores de metabólitos secundários sob condições ambientais controladas, por induzirem alterações fisiológicas e bioquímicas na planta (Abreu & Mazzafera, 2005;Afreen et al, 2005;Pinto et al, 2007;Corrêa, 2008;Costa et al, 2010).…”

Section: Introductionunclassified

Crescimento vegetativo e produção de óleo essencial de hortelã‑pimenta cultivada sob malhas

Costa

Chagas²,

Pinto

et al. 2012

Pesq. agropec. bras.

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Resumo -O objetivo deste trabalho foi avaliar o crescimento vegetativo e o teor, o rendimento e a composição química do óleo essencial de hortelã-pimenta (Mentha piperita) cultivada sob diferentes malhas, no Município de Lavras, MG. As mudas de hortelã-pimenta foram cultivadas em cinco ambientes: pleno sol, malha preta, malha aluminizada, malha azul e malha vermelha, todas com 50% de irradiância. Utilizou-se o delineamento experimental inteiramente casualizado, com quatro repetições e cinco plantas por parcela. Foram avaliados os parâmetros: crescimento vegetativo, teor, rendimento e análise química do óleo essencial. Plantas de hortelã-pimenta cultivadas em pleno sol e sob malhas preta e vermelha produziram maior biomassa seca de folhas e maiores teores e rendimentos do óleo essencial. Entretanto, a pleno sol, o óleo essencial das plantas apresentou maior teor de mentol e, sob as malhas preta e azul, de mentofurano. Portanto, é possível manipular o crescimento das plantas e a produção e a composição química do óleo essencial de hortelã-pimenta mediante o cultivo sob malhas ou pleno sol.Termos para indexação: Mentha piperita, mentol, mentona, qualidade da luz, radiação. Vegetative growth and yield of essential oil of peppermint grown under netsAbstract -The objective of this work was to evaluate the growth and the content, yield, and chemical composition of the essential oil of peppermint (Mentha piperita) grown under different nets in Lavras, MG, Brazil. Peppermint plants were grown in five environments: full sun, black net, aluminet net, blue net, and red net, all with 50% of irradiance. The experimental design was a completely randomized block with four replicates and five plants per plot. The evaluated parameters were: vegetative growth, content, yield, and chemical analysis of the essential oil. Peppermint plants grown under full sun and black and red nets produced higher dry leaf biomass and higher essential oil content and yield. However, in full sun, the essential oil of the plants had higher contents of menthol and, under black and blue nets, of menthophurane. Therefore, it is possible to manipulate plant growth and yield and chemical composition of the essential oil of peppermint with cultivation under nets or full sun.

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“…The results agree with those of Mozaffari et al (2000) that myrcene and alpha-pinene are synthesized and released in higher amounts under stress. Drought stress causes induction of essential oil of monoterpene carvacrol in Neigella sativa (Mozaffari et al, 2000;Costa et al, 2010).…”

Section: Discussionmentioning

confidence: 99%

Effect of seasonal variations on the yield of essential oil and antioxidant of Achillea fragrantissima (Forssk) Sch. Bip

Elsharkawy¹,

Nahed²

2018

Afr. J. Biotechnol.

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Temperature stress is becoming the major concern for plant scientists worldwide due to climate change. Temperature stress has devastating effects on plant growth and metabolism. The aim of the study was to investigate the effect of climatic seasonal change on the yield and composition of essential oil of the plant, Achillea fragrantissima. The gas chromatography-mass spectrometry (GC-MS) used to analyze the essential oil collected during dry and wet seasons revealed it has 25 compounds. The major compounds were santolina alcohol (5.31), camphor (4.3), and cedrene (9.01) during winter months, while the percentages of α-cubebene (17.1%), spathulenol (1.54) and globulol (5.2) were highest during summer season. The analysis of essential oil in the two seasons revealed that there are different amounts and composition of essential oils. The antioxidant activity of the essential oil of the plant shows higher activity of IC 50 0.11±0.01g/L and Ec 50 0.25±0.02 g/L during winter than in summer. However, the reducing capacity of standard substances used (ascorbic acid and α-Tecopherol) were 0.033±0.001 and 0.93±0.07 g/L for DPPH and 0.091±0.002 and 0.026±0.002 g/L for FRAP method, respectively. These results showed that A. fragrantissima is a natural source of active compounds, and antioxidant properties, and the difference in chemical composition leads to changes in the antioxidant activity of the plant, which contributes to seasonal change.

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Yield and Composition of the Essential Oil ofOcimum selloiBenth. Cultivated Under Colored Netting

Cited by 24 publications

References 23 publications

Light affects Varronia curassavica essential oil yield by increasing trichomes frequency

Light affects Varronia curassavica essential oil yield by increasing trichomes frequency

Crescimento vegetativo e produção de óleo essencial de hortelã‑pimenta cultivada sob malhas

Effect of seasonal variations on the yield of essential oil and antioxidant of Achillea fragrantissima (Forssk) Sch. Bip

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