Antimicrobial and antioxidant activities of different extracts of the peel of kumquat (Citrus japonica Thunb)

Al-Saman, Mahmoud A.; Abdella, Asmaa; Mazrou, Khaled E.; Tayel, Ahmed A.; Irmak, Sibel

doi:10.1007/s11694-019-00244-y

Cited by 40 publications

(32 citation statements)

References 40 publications

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“…It was suggested that EOs can diffuse into cells and damage cell membrane structures [ 34 ]. The bioactivities of different EOs can be attributed to certain major compounds or to the synergetic effects between different components [ 20 ]. Aggarwal et al reported that limonene and carvone were active against a wide spectrum of pathogenic fungi and bacteria [ 35 ].…”

Section: Resultsmentioning

confidence: 99%

“…Plant EOs have been reported to scavenge the free radicals that lead to cell death and tissue damage and the development of chronic diseases [ 16 , 17 , 18 ]. Citrus EOs have antioxidant activity which can delay or prevent cell damage caused by physiological oxidants by inhibiting or eliminating the initiation or propagation of excess reactive species and reduce the risk of potential health effects in humans related to oxidative stress or free radicals [ 19 , 20 ]. In order to explore the potential application of our four citrus EOs in food, cosmetic or pharmaceutical industries, measurement of their antioxidant activities is important.…”

Section: Resultsmentioning

confidence: 99%

“…Wang et al identified 25 components of kumquat EO, and showed that kumquat EO had obvious activity against bacteria and fungi [ 8 ]. Al-Saman et al studied the chemical components, and antibacterial and antioxidant activities of kumquat EO [ 20 ]. The yields, chemical compositions and biological characteristics of EOs are affected by many factors, including variety, place of production and extraction method [ 21 ].…”

Section: Introductionmentioning

confidence: 99%

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The Chemical Compositions, and Antibacterial and Antioxidant Activities of Four Types of Citrus Essential Oils

et al. 2021

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Nanfeng mandarins (Citrus reticulata Blanco cv. Kinokuni), Xunwu mandarins (Citrus reticulata Blanco), Yangshuo kumquats (Citrus japonica Thunb) and physiologically dropped navel oranges (Citrus sinensis Osbeck cv. Newhall) were used as materials to extract peel essential oils (EOs) via hydrodistillation. The chemical composition, and antibacterial and antioxidant activities of the EOs were investigated. GC-MS analysis showed that monoterpene hydrocarbons were the major components and limonene was the predominate compound for all citrus EOs. The antibacterial testing of EOs against five different bacteria (Bacillus subtilis, Staphylococcus aureus, Escherichia coli, Pseudomonas aeruginosa and Salmonella typhimurium) was carried out using the filter paper method and the broth microdilution method. Kumquat EO had the best inhibitory effect on B. subtilis, E. coli and S. typhimurium with MIC (minimum inhibitory concentration) values of 1.56, 1.56 and 6.25 µL/mL, respectively. All citrus EOs showed the antioxidant activity of scavenging DPPH and ABTS free radicals in a dose-dependent manner. Nanfeng mandarin EO presented the best antioxidant activity, with IC50 values of 15.20 mg/mL for the DPPH assay and 0.80 mg/mL for the ABTS assay. The results also showed that the antibacterial activities of EOs might not be related to their antioxidant activities.

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Section: Resultsmentioning

confidence: 99%

Section: Resultsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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The Chemical Compositions, and Antibacterial and Antioxidant Activities of Four Types of Citrus Essential Oils

et al. 2021

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“…Several methods have been proposed to identify volatile compounds contained in essential oils such as high-precision liquid chromatography (HPLC) [ 13 ], gas chromatography-mass spectrometry (GC-MS) [ 14 ], GC–MS combined with chemometric resolution methods [ 15 ], Two-Dimensional Gas chromatography (GC × GC) [ 16 ], and ATR-Fourier transform mid-infrared spectroscopy (FT-IR) [ 17 ]. However, most of these techniques are usually time-consuming and costly.…”

Section: Introductionmentioning

confidence: 99%

Characterization and Analysis of Okoume and Aiele Essential Oils from Gabon by GC-MS, Electronic Nose, and Their Antibacterial Activity Assessment

Aghoutane

Moufid

Motia

et al. 2020

Sensors

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Essential oil resins of Aucoumea klaineana (Okoume) and Canarium schweinfurthii (Aiele) species, of the Burseraceae family, were studied to investigate their bioactive constituents and their antibacterial activities. Aiele resin had a higher yield (6.86%) of essential oil than Okoume (3.62%). Twenty-one compounds for Okoume and eighteen for Aiele essential oil were identified using a gas chromatography-mass spectrometry (Gp-C-MS) technique. The main compounds identified in Okoume essential oil were benzenemethanol, α, α,4-trimethyl (28.85%), (+)-3-carene (3,7,7-trimethyl bicyclo[4.1.0]hept-3-ene) (17.93%), D-Limonene ((4R)-1-methyl-4-prop-1-en-2-ylcyclohexene) (19.36%). With regard to the Aiele essential oil, we identified (1R,4S)-1-methyl-4-propan-2-ylcyclohex-2-en-1-ol (26.64%), and 1-methyl-4-propan-2-ylcyclohex-2-en-1-ol (26.83%). Two strains of bacteria, Escherichia coli and Staphylococcus aureus, were used in antibacterial tests. S. aureus was found to be more sensitive to Okoume and Aiele essential oils, with a high inhibition zone ranging from 20 to 16 mm. In comparison, the inhibition zone ranged from 6 to 12 mm for E. coli. An electronic nose (e-nose) combined with pattern analysis methods such as principal component analysis (PCA), discriminant function analysis (DFA), and hierarchical cluster analysis (HCA) were used to discriminate the essential oil samples. In summary, the e-nose and GC-MS allowed the identification of bioactive compounds in the essential oil samples, which have a strong antimicrobial activity, with satisfactory results.

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“…Three characteristic compounds (syringing, naringin, and poncirin) showed considerable contribution to the classification of samples because of their high VIP values. At the same time, many invivo, and in-vitro studies have proved that syringing and naringin have antioxidant, antimicrobial, anti-inflammatory, enhancement of CaMKII (calcium/calmodulin-dependent protein kinase II) and antinociceptive activities [19][20][21]. Thus, these components have the potential to be selected as…”

Section: Principal Component Analysismentioning

confidence: 99%

Phytochemical analysis of trifoliate orange during fermentation by HPLC–DAD–ESI–MS/MS coupled with multivariate statistical analysis

Gao

Cho

Vinh

et al. 2021

Acta Chromatographica

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During the process of fermentation, the chemical compositions of trifoliate orange (Poncirus trifoliate (L). Raf) changed greatly. To provide a completely phytochemical profile, high-performance liquid chromatography-diode array detector-hyphenated with tandem mass spectrometry (HPLC–DAD–ESI-MS/MS) has been successfully applied to screen and identify the unknown constituents of trifoliate orange during fermentation, which make it available for the quality control of fermented products. Multivariate statistical analysis was performed to classify the trifoliate oranges based on the status of fermentation. A total of 8 components were identified among the samples. Hierarchical Clustering Analysis (HCA) and Principal Component Analysis (PCA) demonstrated the fermented and unfermented trifoliate oranges were obviously different, an effective and reliable Partial Least Square Discriminate Analysis (PLS-DA) technique was more suitable to provide accurate discrimination of test samples based their different chemical patterns. Furthermore, a permutation validated the reliability of PLS-DA and variable importance plot revealed that the characterized syringing, naringin, and poncirin showed the high ability to distinguish the trifoliate oranges during fermentation. The present investigation could provide detailed information for the quality control and evaluation of trifoliate oranges during the fermentation process.

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Antimicrobial and antioxidant activities of different extracts of the peel of kumquat (Citrus japonica Thunb)

Cited by 40 publications

References 40 publications

The Chemical Compositions, and Antibacterial and Antioxidant Activities of Four Types of Citrus Essential Oils

The Chemical Compositions, and Antibacterial and Antioxidant Activities of Four Types of Citrus Essential Oils

Characterization and Analysis of Okoume and Aiele Essential Oils from Gabon by GC-MS, Electronic Nose, and Their Antibacterial Activity Assessment

Phytochemical analysis of trifoliate orange during fermentation by HPLC–DAD–ESI–MS/MS coupled with multivariate statistical analysis

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