Identification of Phenolic Compounds Extracted from OMW Using LC-MS
The extraction of olive oil produces annually huge quantities of Olive Mill Wastewater (OMW) that are considered as a source of pollution due to their high concentration in organic matter. This study aims to valorize Olive mill wastewater and investigates the effect of the extraction method and solv...
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| Veröffentlicht in: | Journal of Oleo Science 2023, Vol.72(12), pp.1113-1123 |
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| creator | Fattoum, Hanna Cherif, Aicha O. Trabelsi, Sameh Messaouda, Mhamed Ben |
| description | The extraction of olive oil produces annually huge quantities of Olive Mill Wastewater (OMW) that are considered as a source of pollution due to their high concentration in organic matter. This study aims to valorize Olive mill wastewater and investigates the effect of the extraction method and solvents on the contents and profiling of phenolic compounds and their antioxidant potential. It was revealed that the liquid-liquid method using ethyl acetate is the most effective followed by the maceration using chloroform/methanol (1:1), their polyphenol contents are respectively at 1.17 g GAE/L of OMW and 1.07 g GAE/L of OMW. In addition, the antioxidant activity was studied using ABTS test. It has shown that the methanolic extract has the best antioxidant activity at 15.75 mg/L. Moreover, we noticed a negative correlation between the phenolic compounds’ concentration and their antioxidant activity which indicates that the phenolic profile may not be the same in the different extracts that’s why a primary identification of the phenolic profile using UHPLC-MS was monitored and the results showed different chromatographic profiles between the samples. |
| doi_str_mv | 10.5650/jos.ess23109 |
| format | Article |
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This study aims to valorize Olive mill wastewater and investigates the effect of the extraction method and solvents on the contents and profiling of phenolic compounds and their antioxidant potential. It was revealed that the liquid-liquid method using ethyl acetate is the most effective followed by the maceration using chloroform/methanol (1:1), their polyphenol contents are respectively at 1.17 g GAE/L of OMW and 1.07 g GAE/L of OMW. In addition, the antioxidant activity was studied using ABTS test. It has shown that the methanolic extract has the best antioxidant activity at 15.75 mg/L. Moreover, we noticed a negative correlation between the phenolic compounds’ concentration and their antioxidant activity which indicates that the phenolic profile may not be the same in the different extracts that’s why a primary identification of the phenolic profile using UHPLC-MS was monitored and the results showed different chromatographic profiles between the samples.</description><identifier>ISSN: 1345-8957</identifier><identifier>EISSN: 1347-3352</identifier><identifier>DOI: 10.5650/jos.ess23109</identifier><language>eng ; jpn</language><publisher>Tokyo: Japan Oil Chemists' Society</publisher><subject>antioxidant activity ; Antioxidants ; Chloroform ; Ethyl acetate ; Liquid-liquid extraction ; olive mill wastewater OMW ; Olive oil ; Organic matter ; phenolic compounds ; Phenols ; Pollution sources ; UHPLC-ESI-MS ; Wastewater</subject><ispartof>Journal of Oleo Science, 2023, Vol.72(12), pp.1113-1123</ispartof><rights>2023 by Japan Oil Chemists' Society</rights><rights>2023. 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This study aims to valorize Olive mill wastewater and investigates the effect of the extraction method and solvents on the contents and profiling of phenolic compounds and their antioxidant potential. It was revealed that the liquid-liquid method using ethyl acetate is the most effective followed by the maceration using chloroform/methanol (1:1), their polyphenol contents are respectively at 1.17 g GAE/L of OMW and 1.07 g GAE/L of OMW. In addition, the antioxidant activity was studied using ABTS test. It has shown that the methanolic extract has the best antioxidant activity at 15.75 mg/L. Moreover, we noticed a negative correlation between the phenolic compounds’ concentration and their antioxidant activity which indicates that the phenolic profile may not be the same in the different extracts that’s why a primary identification of the phenolic profile using UHPLC-MS was monitored and the results showed different chromatographic profiles between the samples.</abstract><cop>Tokyo</cop><pub>Japan Oil Chemists' Society</pub><doi>10.5650/jos.ess23109</doi><tpages>11</tpages><oa>free_for_read</oa></addata></record> |
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| subjects | antioxidant activity Antioxidants Chloroform Ethyl acetate Liquid-liquid extraction olive mill wastewater OMW Olive oil Organic matter phenolic compounds Phenols Pollution sources UHPLC-ESI-MS Wastewater |
| title | Identification of Phenolic Compounds Extracted from OMW Using LC-MS |
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