<i>Citrus</i> Essential Oil of Nigeria Part V: Volatile Constituents of Sweet Orange Leaf Oil (<i>Citrus sinensis</i>)

Kasali, Adeleke A.; Lawal, Oladipupo A.; Eshilokun, Adeolu O.; Olaniyan, A. A.; Opoku, Andy R.; Setzer, William N.

doi:10.1177/1934578x1100600629

Cited by 12 publications

(16 citation statements)

References 4 publications

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“…Similarly, methyl N -methyl anthranilate was not found by our approach and, also, in the studies of mandarin leaf oils [20], while it has been described as an important constituent of mandarin leaf oil [14,21,23]. The failure to detect some particular volatile constituents in our samples could be due to genetic (cultivar) differences, or pedoclimatic factors, but we also cannot exclude, as an explanation, the differences in extraction techniques previously used for the identification of chemical variability of leaf volatiles from citrus cultivars [13,14,20,24,47]. …”

Section: Resultssupporting

confidence: 53%

“…, nine aldehydes, 19 monoterpene hydrocarbons, 27 oxygenated monoterpenes, 43 sesquiterpene hydrocarbons, eight oxygenated sesquiterpenes, two ketones, six esters and nine miscellaneous (Table S1). Forty-eight compounds (three aldehydes, one monoterpene hydrocarbons, 12 oxygenated monoterpenes, 18 sesquiterpene hydrocarbons, two oxygenated sesquiterpenes, two ketones, three esters, two aromatic hydrocarbons, two phenolics, one alcohol and two unclassified) out of 123 were identified for the first time from citrus leaves (Table S1), while the remaining volatiles have been described previously in citrus leaf oil [13,14,18–20,22,30,33]. …”

Section: Resultsmentioning

confidence: 86%

“…We found linalool, which has already been reported as a major constituent from leaf volatiles of mandarin [21,30,45] and leaf oils of sour orange [41], to be a major compound in young leaves of most cultivars. Limonene, which was predominantly found in lemon, has been reported previously [13,17], as has γ-Terpinene, which is a major component in leaf oil of Satsuma mandarin [20]. α-bisabolene was only identified in Eureka lemon leaves, which has previously been reported in the lemon, citron and lime [24], and methyl thymol ether was only found in leaf volatiles of Ponkan (mandarin), which has been described previously in mandarin leaf essential oil [41].…”

Section: Resultsmentioning

confidence: 91%

“…Historically, leaf volatiles were analyzed by hydrodistillation [14,20–23] and solvent extraction [24], which takes a long time for analysis. Recently, solid phase microextraction (SPME) integrated with GC-MS has been shown to be much more sensitive, reproducible and efficient for metabolomics studies of volatiles, has been widely used in plant research [25,26], including some studies on citrus fruit volatiles analysis [27–29], and has become established as a suitable substitute for gas chromatography analysis of essential oils.…”

Section: Introductionmentioning

confidence: 99%

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Citrus Leaf Volatiles as Affected by Developmental Stage and Genetic Type

Azam

Jiang

Zhang

et al. 2013

IJMS

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Major volatiles from young and mature leaves of different citrus types were analyzed by headspace-solid phase microextraction (HS-SPME)-GC-MS. A total of 123 components were identified form nine citrus cultivars, including nine aldehydes, 19 monoterpene hydrocarbons, 27 oxygenated monoterpenes, 43 sesquiterpene hydrocarbons, eight oxygenated sesquiterpenes, two ketones, six esters and nine miscellaneous. Young leaves produced higher amounts of volatiles than mature leaves in most cultivars. The percentage of aldehyde and monoterpene hydrocarbons increased, whilst oxygenated monoterpenes and sesquiterpenes compounds decreased during leaf development. Linalool was the most abundant compound in young leaves, whereas limonene was the chief component in mature ones. Notably, linalool content decreased, while limonene increased, during leaf development in most cultivars. Leaf volatiles were also affected by genetic types. A most abundant volatile in one or several genotypes can be absent in another one(s), such as limonene in young leaves of lemon vs. Satsuma mandarin and β-terpinene in mature leaves of three genotypes vs. the other four. Compositional data was subjected to multivariate statistical analysis, and variations in leaf volatiles were identified and clustered into six groups. This research determining the relationship between production of major volatiles from different citrus varieties and leaf stages could be of use for industrial and culinary purposes.

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Section: Resultssupporting

confidence: 53%

Section: Resultsmentioning

confidence: 86%

Section: Resultsmentioning

confidence: 91%

Section: Introductionmentioning

confidence: 99%

See 2 more Smart Citations

Citrus Leaf Volatiles as Affected by Developmental Stage and Genetic Type

Azam

Jiang

Zhang

et al. 2013

IJMS

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“…Little data is available in the literature regarding the composition of EOs obtained [18]and contained 54 compounds,with sabinene and d-car-3-ene being the major compounds. Blanco Tirado et al [19]investigated the composition of an EO obtained fromleaves of Colombian C. sinensis and also showed that sabinene (47.68%) was the major component, but followed by trans-b-ocimene (8.31%).…”

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confidence: 99%

Activity of Six Essential Oils Extracted from Tunisian Plants against Legionella pneumophila

Chaftar

Girardot

Nathalie

et al. 2015

Chemistry & Biodiversity

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The aim of this study was to investigate the composition of six essential oils extracted from Tunisian plants, i.e., Artemisia herba-alba Asso, Citrus sinensis (L.) Osbeck, Juniperus phoenicea L., Rosmarinus officinalis L., Ruta graveolens L., and Thymus vulgaris L., and to evaluate their activity against Legionella pneumophila (microdilution assays). Eight Legionella pneumophila strains were studied, including the two well-known serogroup 1 Lens and Paris strains as controls and six environmental strains isolated from Tunisian spas belonging to serogroups 1, 4, 5, 6, and 8. The essential oils were generally active against L. pneumophila. The activities of the A. herba-alba, C. sinensis, and R. officinalis essential oils were strain-dependent, whereas those of the J. phoenicea and T. vulgaris oils, showing the highest anti-Legionella activities, with minimum inhibitory concentrations (MICs) lower than 0.03 and lower than or equal to 0.07 mg/ml, respectively, were independent of the strains' serogroup. Moreover, the microorganisms treated with T. vulgaris essential oil were shorter, swollen, and less electron-dense compared to the untreated controls. Isoborneol (20.91%), (1S)-α-pinene (18.30%) β-phellandrene (8.08%), α-campholenal (7.91%), and α-phellandrene (7.58%) were the major components isolated from the J. phoenicea oil, while carvacrol (88.50%) was the main compound of the T. vulgaris oil, followed by p-cymene (7.86%). This study highlighted the potential interest of some essential oils extracted from Tunisian plants as biocides to prevent the Legionella risk.

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Comparison of the Composition and Antimicrobial Activities of the Essential Oils of Green Branches and Leaves of Egyptian Navel Orange (Citrus sinensis (L.) Osbeck var. malesy)

Eldahshan

Halim

2016

Chemistry & Biodiversity

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The essential oils isolated from the leaves and green branches of the Egyptian navel orange trees were analyzed by GC and GC/MS. A total of 33 and 24 compounds were identified from the oils of the leaves and branches accounting for 96.0% and 97.9%, respectively, of the total detected constituents. The major ones were sabinene (36.5; 33.0%), terpinen-4-ol (8.2; 6.2%), δ-3-carene (7.0; 9.4%), limonene (6.8; 18.7%), trans-ocimene (6.7; 6.1%), and β-myrcene (4.5; 4.4%). The antimicrobial activities of both oils were evaluated using the agar-well diffusion method toward three representatives for each of Gram-positive bacteria, Gram-negative bacteria, and fungi. The oil of leaves was more effective as antimicrobial agent than that of the branches. Streptococcus pyogenes, Staphylococcus aureus, Salmonella typhimurium, and Aspergillus fumigatus were the most sensitive bacteria and fungi by the leaves oil.

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Citrus Essential Oil of Nigeria Part V: Volatile Constituents of Sweet Orange Leaf Oil (Citrus sinensis)

Cited by 12 publications

References 4 publications

Citrus Leaf Volatiles as Affected by Developmental Stage and Genetic Type

Citrus Leaf Volatiles as Affected by Developmental Stage and Genetic Type

Activity of Six Essential Oils Extracted from Tunisian Plants against Legionella pneumophila

Comparison of the Composition and Antimicrobial Activities of the Essential Oils of Green Branches and Leaves of Egyptian Navel Orange (Citrus sinensis (L.) Osbeck var. malesy)

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