Chemical Composition of<i>Cleome amblyocarpa</i>Barr. &amp; Murb. Essential Oils Under Different Irrigation Levels in Sandy Soils with Antioxidant Activity

Shahin, Suzan Marwan; Kurup, Shyam S.; Cheruth, Abdul-Jaleel; Salem, Mohammed A.

doi:10.1080/0972060x.2018.1512422

Cited by 8 publications

(21 citation statements)

References 18 publications

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“…From overall mass, terpenoids represented the main constituents with a relative 84.88% with a preponderance of sesquiterpenes (75.77%), a remarkable concentration of monoterpenes (8.72%), and traces of diterpenes (0.39%). The abundance of terpenoids in the EO of C. amblyocarpa was in agreement with the data reported for samples collected from Iran [ 27 ] and the United Arab Emirates [ 26 ]. In contrast, the plurality of sesquiterpenes was inconsistent with the Iranian C. amblyocarpa , in which diterpenoids were determined as the major class [ 27 ], and C. amblyocarpa collected from the United Arab Emirates, in which monoterpenes were the main constituents [ 26 ].…”

Section: Resultssupporting

confidence: 90%

“…The abundance of terpenoids in the EO of C. amblyocarpa was in agreement with the data reported for samples collected from Iran [ 27 ] and the United Arab Emirates [ 26 ]. In contrast, the plurality of sesquiterpenes was inconsistent with the Iranian C. amblyocarpa , in which diterpenoids were determined as the major class [ 27 ], and C. amblyocarpa collected from the United Arab Emirates, in which monoterpenes were the main constituents [ 26 ]. These significant variations of chemical composition might be ascribed to environmental circumstances (such as temperature, rainfall, soil factors, altitude, etc.)…”

Section: Resultssupporting

confidence: 90%

“…Caryophyllene oxide is a common major compound in several EOs derived from plants such as Cullen plicata [ 34 ], Schinus polygamus [ 35 ], Curcuma sahuynhensis [ 36 ]. Caryophyllene oxide was documented as a minor compound in the EO of Iranian C. amblyocarpa [ 27 ], and totally absent from the EO of C. amblyocarpa collected from the United Arab Emirates [ 26 ], Tunisia [ 37 ], and Saudi Arabia [ 28 ]. On the other hand, trans -caryophyllene (3.45%), and α -muurolene (2.30%) were found to be the main sesquiterpene hydrocarbons, whereas silphiperfol-5,7(14)-diene (0.13%) was determined as a minor component.…”

Section: Resultsmentioning

confidence: 99%

“…On the other hand, trans -caryophyllene (3.45%), and α -muurolene (2.30%) were found to be the main sesquiterpene hydrocarbons, whereas silphiperfol-5,7(14)-diene (0.13%) was determined as a minor component. trans -caryophyllene has been reported in trace amounts of the EO of the Iranian ecospecies of C. amblyocarpa [ 27 ], whereas it is completely absent from the EO of Saudi [ 28 ], Emirati [ 26 ], and Tunisian [ 37 ] ecospecies.…”

Section: Resultsmentioning

confidence: 99%

“…The EOs of several species of genus Cleome have been studied, such as C. droserifolia [ 21 ], C. trinervia [ 22 ], C. monophylla [ 23 ], and C. serrata [ 24 ], C. coluteoides [ 25 ]. However, few studies have dealt with the EO of C. amblyocarpa [ 26 ]. Additionally, and to the best of our knowledge, the allelopathic activity of the EO of C. amblyocarpa has not been studied before.…”

Section: Introductionmentioning

confidence: 99%

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Chemical Composition, Allelopathic, Antioxidant, and Anti-Inflammatory Activities of Sesquiterpenes Rich Essential Oil of Cleome amblyocarpa Barratte & Murb.

Abd‐ElGawad

Elgamal

El‐Amier

et al. 2021

Plants

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The integration of green natural chemical resources in agricultural, industrial, and pharmaceutical applications allures researchers and scientistic worldwide. Cleome amblyocarpa has been reported as an important medicinal plant. However, its essential oil (EO) has not been well studied; therefore, the present study aimed to characterize the chemical composition of the C. amblyocarpa, collected from Egypt, and assess the allelopathic, antioxidant, and anti-inflammatory activities of its EO. The EO of C. amblyocarpa was extracted by hydrodistillation and characterized via gas chromatography–mass spectrometry (GC-MS). The chemometric analysis of the EO composition of the present studied ecospecies and the other reported ecospecies was studied. The allelopathic activity of the EO was evaluated against the weed Dactyloctenium aegyptium. Additionally, antioxidant and anti-inflammatory activities were determined. Forty-eight compounds, with a prespondence of sesquiterpenes, were recorded. The major compounds were caryophyllene oxide (36.01%), hexahydrofarnesyl acetone (7.92%), alloaromadendrene epoxide (6.17%), myrtenyl acetate (5.73%), isoshyobunone (4.52%), shyobunol (4.19%), and trans-caryophyllene (3.45%). The chemometric analysis revealed inconsistency in the EO composition among various studied ecospecies, where it could be ascribed to the environmental and climatic conditions. The EO showed substantial allelopathic inhibitory activity against the germination, seedling root, and shoot growth of D. aegyptium, with IC50 values of 54.78, 57.10, and 74.07 mg L−1. Additionally, the EO showed strong antioxidant potentiality based on the IC50 values of 4.52 mg mL−1 compared to 2.11 mg mL−1 of the ascorbic acid as standard. Moreover, this oil showed significant anti-inflammation via the suppression of lipoxygenase (LOX) and cyclooxygenases (COX1, and COX2), along with membrane stabilization. Further study is recommended for analysis of the activity of pure authentic materials of the major compounds either singularly or in combination, as well as for evaluation of their mechanism(s) and modes of action as antioxidants or allelochemicals.

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