2009
DOI: 10.1590/s0102-695x2009000600015
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Chemical composition and seasonal variation of the volatile oils from leaves of Michelia champaca L., Magnoliaceae

Abstract: RESUMO: "Composição química e variação sazonal dos óleos voláteis das folhas de Michelia champaca L., Magnoliaceae". Os óleos voláteis das folhas de Michelia champaca L., coletadas bimestralmente ao longo de um ano (quatro vezes no décimo quinto dia de janeiro, março, maio, julho, setembro e novembro de 2004), foram submetidos à análise por CG/DIC e CG-EM, de onde foram identificados treze componentes. Adicionalmente, parte do óleo obtido na coleta de janeiro foi submetida a fracionamento em gel de sílica impr… Show more

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Cited by 10 publications
(7 citation statements)
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“…To be specific, EOs were dominated by mostly sesquiterpene hydrocarbons (52.83 to 65.63%) followed by sesquiterpene alcohol (14.71 to 22.45%) ( Table 2 , Figure 1 ). The present result is also consistent with the previous literature, where the leaf essential oil of M. champaca collected from Brazil was rich in sesquiterpene hydrocarbons followed by oxygenated sesquiterpenes [ 24 ]. In all the populations, the major constituents were β-elemene, γ-muurolene, β-caryophyllene, germacrene B, n-hexadecanol, α-humulene, viridiflorene, bicyclogermacrene, methyl linoleate, linalool, etc.…”
Section: Resultssupporting
confidence: 93%
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“…To be specific, EOs were dominated by mostly sesquiterpene hydrocarbons (52.83 to 65.63%) followed by sesquiterpene alcohol (14.71 to 22.45%) ( Table 2 , Figure 1 ). The present result is also consistent with the previous literature, where the leaf essential oil of M. champaca collected from Brazil was rich in sesquiterpene hydrocarbons followed by oxygenated sesquiterpenes [ 24 ]. In all the populations, the major constituents were β-elemene, γ-muurolene, β-caryophyllene, germacrene B, n-hexadecanol, α-humulene, viridiflorene, bicyclogermacrene, methyl linoleate, linalool, etc.…”
Section: Resultssupporting
confidence: 93%
“…Similarly, the lowest essential oil yield was found in the accessions MCL3 and MCL4 (0.06% v / w ) which were collected from the Bhadrak district. The essential oil yield of M. champaca in the present study was higher than that of the previous report [ 24 ], which reported an EO yield of 0.04% in fresh leaves collected from Brazil in different seasons. Further, the resulting variations in the essential oil yield might be due to seasonal variation, geographical location, genetic and environmental factors, etc., as reported in other species [ 2 , 3 , 4 ].…”
Section: Resultscontrasting
confidence: 90%
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“…The growing season for this plant mainly is monsoon from June to September 22 . This Plant is rich in volatile oil constituents, concentration of which vary due to seasonal variation like sesquiterpene content are found be constant in concentration during January, March, May, July, December about (5-7%) and 21% in September and terpenoid derivatives like aliphatic C 15 and C 16 alcohol have constant amount (14-17%) all over the year 23 . 1 which help in the identification of this plant either in strength and purity 26 .…”
Section: Fig 1: Picture Of Plantmentioning
confidence: 96%
“…The quercetin forms the first report of its occurrence in the genus Michelia (Shalini and Jaggi , 2004). Lago et al (2009) reported that volatile oils contained six sesquiterpene hydrocarbons, four oxygenated sesquiterpene, and two aliphatic alcohols from water using dichloromethane solvent in leaves of M.champaca L. There appears to be no Pharmacognostical work of this valued (leaves and flowers) traditional medicinal plant. In the present study, Pharmacognostical evaluations of leaves and flowers of Michelia champaca L. provided useful information with regard to its proper identity and may help to differentiate from the closely related species of Michelia.…”
Section: Fig 2 Ts Of Flower Of M Champaca L Through the Midrib (mentioning
confidence: 99%