Teneur en phénols totaux et activité antioxydante des extraits des trois principales variétés d’oignons (&lt;i&gt;Allium cepa&lt;/i&gt; L.) cultivées dans la région du Centre-Nord du Burkina Faso

Ouedraogo, R. Adele; Koala, Moumouni; Dabiré, Christophe; Héma, Adama; BAZIE, Bapio Valérie Elvira Jean Télesphore; Outtara, LP; Gnoula, C.; Palé, Éloi; Nebie, Rhc

doi:10.4314/ijbcs.v9i1.25

Cited by 10 publications

(6 citation statements)

References 16 publications

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“…The difference in antioxidant capacities between AO p EO and RMEO may be due to the variability in chemical composition [71,72]. However, variations in the antioxidant effects of essential oils, tested by DPPH and FRAP assay, may be due to the differences in reagents used by each method [73]. Indeed, the DPPH assay evaluates the capacity of essential oils to scavenge free radicals, while the FRAP method assesses EO's reducing power.…”

Section: Antioxidant Activitymentioning

confidence: 99%

GC–MS Analysis, Antioxidant and Antimicrobial Activities of Achillea Odorata Subsp. Pectinata and Ruta Montana Essential Oils and Their Potential Use as Food Preservatives

Benali

Habbadi

Khabbach

et al. 2020

Foods

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In order to discover new natural resources with biological properties, the chemical composition, the antioxidant and antimicrobial activities, and the potential use as food preservative of essential oils of Moroccan Achillea odorata subsp. pectinata (AOpEO) and Ruta montana (RMEO) were studied. Gas chromatography-mass spectrometry (GC-MS) analysis revealed the presence of 21 and 25 compounds in AOpEO and RMEO, respectively. The results showed that the major compounds of AOpEO are camphor (45.01%), bornyl acetate (15.07%), borneol (11.33%), β-eudesmol (4.74%), camphene (3.58%), and 1.8-cineole (eucalyptol) (2.96%), whereas 2-undecanone (63.97%), camphor (3.82%) and cyclopropanecarboxylic acid (3.66%) were the main components of RMEO. The antioxidant activities were evaluated by diphenylpicrylhydraziyl radical (DPPH) and reducing power assays. The antimicrobial activities of essential oils were tested against bacterial strains and food contaminant yeast using agar disc diffusion and microdilution methods. A significant antimicrobial activity of AOpEO was observed against Bacillus subtilis, Proteus mirabilis and Candida albicans, compared to RMEO. The efficacy of AOpEO was also evaluated in model food systems (cabbage and barley) artificially inoculated during storage. The results found that the adding of a minimal inhibitory concentration (MIC) and 4× MIC were potent in decreasing the Proteus mirabilis growth in food model systems. Our findings suggested that AOpEO may be potentially used as an alternative food preservative.

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Section: Antioxidant Activitymentioning

confidence: 99%

GC–MS Analysis, Antioxidant and Antimicrobial Activities of Achillea Odorata Subsp. Pectinata and Ruta Montana Essential Oils and Their Potential Use as Food Preservatives

Benali

Habbadi

Khabbach

et al. 2020

Foods

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“…The two different tests resulted in dissimilar results, as leaf and fruit oils gave the highest and the lowest antioxidant activities with the DPPH free radical scavenging assay, respectively; while in the ferric-reducing antioxidant power assay, the highest antioxidant activities were obtained with leaf and fruit oils. Variations in the antioxidant activities of essential oils evaluated by DPPH and FRAP methods are probably due to the differences in reagents used by each method [60]. Indeed, the DPPH assay evaluates the ability of essential oils to scavenge free radicals, while the FRAP method assesses essential oils' reducing power.…”

Section: Ferric-reducing Antioxidant Powermentioning

confidence: 99%

Seasonal Effect on the Chemical Composition, Insecticidal Properties and Other Biological Activities of Zanthoxylum leprieurii Guill. & Perr. Essential Oils

Tanoh

Boué

Nea

et al. 2020

Foods

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This study focused, for the first time, on the evaluation of the seasonal effect on the chemical composition and biological activities of essential oils hydrodistillated from leaves, trunk bark and fruits of Zanthoxylum leprieurii (Z. leprieurii), a traditional medicinal wild plant growing in Côte d’Ivoire. The essential oils were obtained by hydrodistillation from fresh organs of Z. leprieurii growing on the same site over several months using a Clevenger-type apparatus and analyzed by gas chromatography-mass spectrometry (GC/MS). Leaf essential oils were dominated by tridecan-2-one (9.00 ± 0.02–36.80 ± 0.06%), (E)-β-ocimene (1.30 ± 0.50–23.57 ± 0.47%), β-caryophyllene (7.00 ± 1.02–19.85 ± 0.48%), dendrolasin (1.79 ± 0.08–16.40 ± 0.85%) and undecan-2-one (1.20 ± 0.03–8.51 ± 0.35%). Fruit essential oils were rich in β-myrcene (16.40 ± 0.91–48.27 ± 0.26%), citronellol (1.90 ± 0.02–28.24 ± 0.10%) and geranial (5.30 ± 0.53–12.50 ± 0.47%). Tridecan-2-one (45.26 ± 0.96–78.80 ± 0.55%), β-caryophyllene (1.80 ± 0.23–13.20 ± 0.33%), α-humulene (4.30 ± 1.09–12.73 ± 1.41%) and tridecan-2-ol (2.23 ± 0.17–10.10 ± 0.61%) were identified as major components of trunk bark oils. Statistical analyses of essential oil compositions showed that the variability mainly comes from the organs. Indeed, principal component analysis (PCA) and hierarchical cluster analysis (HCA) allowed us to cluster the samples into three groups, each one consisting of one different Z. leprieurii organ, showing that essential oils hydrodistillated from the different organs do not display the same chemical composition. However, significant differences in essential oil compositions for the same organ were highlighted during the studied period, showing the impact of the seasonal effect on essential oil compositions. Biological activities of the produced essential oils were also investigated. Essential oils exhibited high insecticidal activities against Sitophilus granarius, as well as antioxidant, anti-inflammatory and moderate anti-plasmodial properties.

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“…Les capacités de réduction du fer des extraits étudiés sont comprises entre 0,80 et 2,49 mgET.g -1 MS. Les capacités antioxydantes des extraits obtenus par la méthode de DPPH sont nettement supérieures à celles de la méthode de FRAP. Ceci pourrait être dû aux différences de sensibilité des réactifs utilisés dans chacune des méthodes (Ouedraogo et al, 2015). De plus, les activités antioxydantes des plantes varient d'un extrait à un autre.…”

Section: Teneurs En Composés Phénoliquesunclassified

Pouvoir antioxydant et teneurs en composés phénoliques de deux espèces du genre Albertisia: Albertisia cordifolia (Mangenot & J. Miège) Forman et Albertisia scandens (Mangenot & J. Miège) Forman (Menispermaceae)

Awa

Konan

Youssouf

et al. 2018

ESJ

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Albertisia cordifolia and Albertisia scandens are medicinal plants of Menispermaceae family, used in traditional medicine in Côte d’Ivoire. Both species were evaluated in vitro for antioxidant activity and contents of total polyphenols, flavonoids and condensed tannins. In the present study, six extracts (aqueous, ethyl acetate and ethanolic) were prepared from the leaves of A. cordifolia and the whole plant of A. scandens. The antioxidant assays were performed using the DPPH free radical scavenging and FRAP tests. Total polyphenols, flavonoids and condensed tannins were determined by spectrophotocolorimetric method. The results revealed that the yields of extraction are between 4.69-12.27%. The percentages of DPPH inhibition European Scientific Journal October 2018 edition Vol.14, No.30 ISSN: 1857 – 7881 (Print) e - ISSN 1857- 7431 129 were between 33.84 and 69.21% while ascorbic acid and trolox gave 93.66% and 59.77% respectively. The IC50 values ranged from 20 to 280 μg ml-1 for DPPH. The ethyl acetate extract of A. cordifolia was the most active (IC50 = 20 μg ml-1 ) compared to the other extracts and trolox (28 μg ml-1 ). The antioxidant capacities (DPPH) varied between 1.90 and 7.18 mg ET g -1MS. For FRAP, the extracts showed a dose-dependent activity with antioxidant capacities between 0.80 and 2.71 mg ET g -1MS. The best iron reducing powers were obtained for the aqueous extract of A. scandens (2.71 ± 0.59 mg ET g -1MS) and ethanolic extract of A. cordifolia. These results show that these two species may play a role in the prevention of oxidative stress related diseases.

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Teneur en phénols totaux et activité antioxydante des extraits des trois principales variétés d’oignons (<i>Allium cepa</i> L.) cultivées dans la région du Centre-Nord du Burkina Faso

Cited by 10 publications

References 16 publications

GC–MS Analysis, Antioxidant and Antimicrobial Activities of Achillea Odorata Subsp. Pectinata and Ruta Montana Essential Oils and Their Potential Use as Food Preservatives

GC–MS Analysis, Antioxidant and Antimicrobial Activities of Achillea Odorata Subsp. Pectinata and Ruta Montana Essential Oils and Their Potential Use as Food Preservatives

Seasonal Effect on the Chemical Composition, Insecticidal Properties and Other Biological Activities of Zanthoxylum leprieurii Guill. & Perr. Essential Oils

Pouvoir antioxydant et teneurs en composés phénoliques de deux espèces du genre Albertisia: Albertisia cordifolia (Mangenot & J. Miège) Forman et Albertisia scandens (Mangenot & J. Miège) Forman (Menispermaceae)

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