Investigation of peel and leaf essential oils of<i>Citrus clementina</i>Hort. ex Tan. growing in the south of Vietnam

Nguyen, Thao-Tran Thi; Tran, Thanh-Tram Thi; Hua, Tra-My; Diep, Tai The; Chau, Duy‐Khiem Nguyen; Duus, Fritz; Lê, Thạch Ngọc

doi:10.1080/10412905.2015.1083491

Cited by 12 publications

(7 citation statements)

References 17 publications

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“…The mass spectrum profile in the rind EO of both varieties was made up of over 11,000 mass signals corresponding to several hundreds of VOCs. The volatile profile was largely in accordance with those previously reported in C. clementina EO [ 3 , 4 , 7 , 20 , 21 ]. In both varieties all along the 2-month harvest time, the most abundant compound was the hydrocarbon monoterpene limonene ( Figure S1 ).…”

Section: Resultssupporting

confidence: 89%

“…In contrast, the latter has been detected in C. reticulata even at concentrations almost as high as 20% [ 5 ], or at concentrations close to 10% in C. sinensis [ 29 ]. The bicyclic monoterpene hydrocarbon 3-carene ( Figure 3 ), also more abundant in PO, has less frequently been identified in Citrus EO and, when reported, it was always at concentrations below 0.1% in C. clementina [ 2 , 7 , 21 , 30 ]. The compounds α-terpinene and 3-carene provide to EO a typical lemon odor, whereas γ-terpinene provides a turpentine odor, according to the Flavornet database ( Table 1 ) [ 26 ].…”

Section: Resultsmentioning

confidence: 99%

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Untargeted Metabolomics of Rind Essential Oils Allowed to Differentiate Two Closely Related Clementine Varieties

González‐Mas

Rambla

Gómez-Cádenas

et al. 2021

Plants

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Chemical characterization of clementine varieties (Citrus clementina Hort. ex Tan.) essential oils (EO) can lead to variety identification and valorization of their potential use in food and aroma industries. The goal of this study was the chemometric discrimination between two very closely related and morphologically identical clementine varieties, Clemenules (NL) and Clemenpons (PO), based on their rind EO, to identify the differential volatile organic compounds (VOCs) and to determine their antioxidant capacity. EO rind volatile profile was determined by gas chromatography coupled to mass spectrometry in Citrus fruit at different ripening stages grown two independent years in two different locations. Untargeted metabolomics and multivariate data analysis showed an evolution of EO volatile profiles markedly parallel in both varieties. Although EO qualitative composition was identical in both varieties, PLS-DA allowed the identification of characteristic VOCs, quantitatively discriminating them along all the ripening process. PO showed higher accumulation of several mono- and sesquiterpene compounds such as trans-carveol, while NL showed higher levels of aldehyde and alcohol non-terpenoids like dodecanal. Both varieties evinced identical EO antioxidant activities, indicating a similar value for food preservation. Hence, untargeted metabolomics approach based on rind EO volatiles was revealed as a powerful technique able to differentiate between morphologically undistinguishable Citrus varieties.

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Section: Resultssupporting

confidence: 89%

Section: Resultsmentioning

confidence: 99%

Untargeted Metabolomics of Rind Essential Oils Allowed to Differentiate Two Closely Related Clementine Varieties

González‐Mas

Rambla

Gómez-Cádenas

et al. 2021

Plants

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“…Limonene was the most abundant monoterpene followed by myrcene and linalool. This result is in agreement with Nguyen et al [43] in which the main constituents of essential oil, obtained from Vietnam clementine peels, were limonene, myrcene, and α-pinene. Recently, Boudries et al [20] reported, limonene, β-myrcene, and sabinene as main constituents of essential oils in peels of Algerian clementine.…”

Section: × Clementina Peel Essential Oil Profilesupporting

confidence: 93%

Citrus × Clementina Hort. Juice Enriched with Its By-Products (Peels and Leaves): Chemical Composition, In Vitro Bioactivity, and Impact of Processing

et al. 2020

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This work investigated a model for the reuse of Citrus × clementina Hort. by-products for the development of a functional drink able to exert antioxidant, hypoglycaemic, and hypolipidemic effects. Juice obtained from fruits collected in three different areas of Calabria (Italy) was analysed. C. × clementina juice from Corigliano Calabro (JF), characterized by the highest content of bioactive compounds and bioactivity, was chosen as a matrix to be enrichment with hydroalcoholic ultrasound-assisted maceration of C. × clementina leaf from Corigliano Calabro (CO2) and ethanol ultrasound-assisted maceration of C. × clementina peel from Cetraro (BC3) extracts at different concentrations. The highest phytochemical content and bioactivities were found in juice enriched with leaf and leaf + peel extracts, with particular reference to antioxidant activity. In order to estimate the effects of pasteurization, 20% (mg/100 mL) enriched juice was subjected to this process. Based on obtained data of bioactivity and sensorial analysis, C. × clementina by-products could be proposed as a promising source of bioactive compounds useful for the formulation of a functional drink for preventing diseases associated with oxidative stress such as type 2 diabetes and obesity.

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“…ex Tan, genus (Rutaceae), as a result of hybridization between mandarin and sweet orange. The CCPEO is rich of essential oils and there is a lack of information about its anti-viral and antiinflammatory activities [18].…”

Section: Introductionmentioning

confidence: 99%

Citrus clementine peels essential oil exhibited anti-SARS-CoV-2 and its modulatory effect against cytokine storm: Evidence from in vitro and in silico studies

Asaad

Abdelhameed

Raey³

et al. 2022

Egypt. J. Chem.

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SARS CoV-2 gets over more than four million people all over the world. The challenges for developing vaccines in overwhelming pandemic situations of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), developing and screening of unique antiviral agents are peremptorily necessitated. In this study, we aimed to identify the chemical constituents of Citrus clementine peel essential oil (CCPEO) and to investigate its activities as anti-SARS-CoV-2 and anti-inflammatory activities. The chemical profile of CCPEO was identified via Gas chromatography-mass spectrometry analysis (GC/MS). The in-vitro cell viability was determined using 3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyl tetrazolium bromide (MTT) assay and the 50% cytotoxic concentration (CC50) of CCPEO was determined. The antiviral effect of citrus clementine extract was determined by plaque reduction assay. A geometry-based molecular docking approach (Patchdock) was performed to create docking modifications that result in good molecular shape complementarity. The antiviral effect of CCPEO was attributed to the downregulation of interleukin-6 (IL-6) and tumor necrosis factor-α (TNF-α) released from Huh7cells, and thus attenuating the SARSCoV-2 infection-associated cytokine storm in severe cases.

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Investigation of peel and leaf essential oils ofCitrus clementinaHort. ex Tan. growing in the south of Vietnam

Cited by 12 publications

References 17 publications

Untargeted Metabolomics of Rind Essential Oils Allowed to Differentiate Two Closely Related Clementine Varieties

Untargeted Metabolomics of Rind Essential Oils Allowed to Differentiate Two Closely Related Clementine Varieties

Citrus × Clementina Hort. Juice Enriched with Its By-Products (Peels and Leaves): Chemical Composition, In Vitro Bioactivity, and Impact of Processing

Citrus clementine peels essential oil exhibited anti-SARS-CoV-2 and its modulatory effect against cytokine storm: Evidence from in vitro and in silico studies

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