Comparative Evaluation of the Volatile Constituents in Some<i>Verbena</i>Species Cultivated in Egypt

Al‐Amier, Hussein; El‐Hela, Atef A.; Al-Khadrawy, F. M.; Craker, Lyle E.

doi:10.1300/j044v11n03_03

Cited by 3 publications

(4 citation statements)

References 16 publications

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“…The composition of the essential oil is greatly different than the previously reported in V. officinalis growing either in Iran or Morcco [22,23], and differs than the composition of essential oil of V. bonariensis which contains 21 components, from which only terpineol is detected in V. rigida [20]. Also, the composition of the essential oil of V. rigida have been proved to be totally different than several other Verbena species collected from Egypt [5]. The difference in composition is most likely attributed to climate, soil composition, altitude and age as well as species variation [37].…”

Section: Discussionmentioning

confidence: 69%

“…On the other hand, spathulenol, limonene and 1,8-cineole which were detected in essential oil of V. rigida under investigation, have been reported as principal constituents of essential oil of V. officinalis from Morocco [23]. Trans-isoelemicin and dihexyl phthalate were undetected in the essential oil of V. rigida while trans-isoelemicin was the major component of the volatile constituents in V. venosa and dihexyl phthalate was the major component of the volatile constituents in V. bonariensis, V. hybrida and V. supine [5]. Citral and isobornyl formate which are the major constituents in the essential oil of V. rigida under investigation, have been previously detected as major constituents of V. officinalis from Italy [24].…”

Section: Gc-ms Analysis Of Essential Oilmentioning

confidence: 85%

“…Compounds were identified by comparison of their retention indices (RI), obtained on HP-5 MS colum relative to C5-C24 n-alkanes, with those provided in the literature, in addition to Library searched data base Willey 229 LIB and by comparing mass fragmentation patterns with those of the available references and with published data [5,[22][23][24][28][29][30][31][32][33][34].…”

Section: Identification Of the Essential Oilmentioning

confidence: 99%

“…Essential oils of several Verbena species were investigated, their chemical composition have been studied [5,[20][21][22][23][24] and proved to have anticancer [24] and antimicrobial activities [20,21].…”

Section: Introductionmentioning

confidence: 99%

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Chemical composition and antimicrobial activity of essential oil of Verbena rigida Spreng.

Ibrahim¹

2022

World J. Bio. Pharm. Health Sci.

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The study was planned to determine the chemical composition and antimicrobial properties of the essential oil of Verbena rigida Spreng. cultivated in Egypt. The essential oil from aerial parts of Verbena rigida Spreng. was prepared by hydrodistillation in a yield of 0.26 % v/w. The chemical composition of the essential oil has been elucidated by gas chromatography-mass spectroscopy analysis. The prepared essential oil was tested against selected species of Gram-positive, Gram-negative bacteria and Candida species using disc diffusion method and MICs were determined using broth micro-dilution method. Twenty-eight compounds were identified in the essential oil of Verbena rigida, the major components were isobornyl formate (35.2%) and citral (32.9%). The essential oil showed significant antimicrobial activities against Staphylococcus aureus, Staphylococcus epidermidis, Bacillis subtilis, Escherichia coli and Pseudomonas aeruginosa with MIC 25 µg/mL for E. coli and 50 µg/mL for other sensitive bacteria. This is the first study of the chemical composition and antimicrobial activity of the essential oil of V. rigida, it proved that the essential oil of V. rigida possesses potential antimicrobial properties and could in the future represent a new source of natural antiseptic agents.

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Section: Discussionmentioning

confidence: 69%

Section: Gc-ms Analysis Of Essential Oilmentioning

confidence: 85%

Section: Identification Of the Essential Oilmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Chemical composition and antimicrobial activity of essential oil of Verbena rigida Spreng.

Ibrahim¹

2022

World J. Bio. Pharm. Health Sci.

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Comparative study of the flavonoids of some Verbena species cultivated in Egypt by using high-performance liquid chromatography coupled with ultraviolet spectroscopy and atmospheric pressure chemical ionization mass spectrometry

El‐Hela

Al‐Amier

Ibrahim

2010

Journal of Chromatography A

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Isolation of Phthalates and Terephthalates from Plant Material – Natural Products or Contaminants?

Thiemann¹

2021

CHEM

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Dialkyl phthalates have been used as plasticizers in polymers for decades. As mobile, small weight molecules, phthalates have entered the environment, where they have become ubiquitous. On the other hand, phthalates continue to be isolated from natural sources, plants, bacteria and fungi as bona fide natural products. Here, doubt remains as to whether the phthalates represent actual natural products or whether they should all be seen as contaminants of anthropogenic origin. The following article will review the material as presented in the literature.

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Comparative Evaluation of the Volatile Constituents in SomeVerbenaSpecies Cultivated in Egypt

Cited by 3 publications

References 16 publications

Chemical composition and antimicrobial activity of essential oil of Verbena rigida Spreng.

Chemical composition and antimicrobial activity of essential oil of Verbena rigida Spreng.

Comparative study of the flavonoids of some Verbena species cultivated in Egypt by using high-performance liquid chromatography coupled with ultraviolet spectroscopy and atmospheric pressure chemical ionization mass spectrometry

Isolation of Phthalates and Terephthalates from Plant Material – Natural Products or Contaminants?

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