New Green Biorefinery Strategies to Valorize Bioactive Fractions from <i>Palmaria palmata</i>
A biorefinery process was developed to isolate phycobiliproteins, sulfated polysaccharides, and phenolic compounds from <i>Palmaria palmata</i>. The extraction process was carried out in three stages using ultrasound-assisted extraction (UAE) and pressurized liquid extraction (PLE) integ...
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MDPI AG
2024-10-01
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| Series: | Marine Drugs |
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| author | Melis Cokdinleyen Gloria Domínguez-Rodríguez Huseyin Kara Elena Ibáñez Alejandro Cifuentes |
| author_facet | Melis Cokdinleyen Gloria Domínguez-Rodríguez Huseyin Kara Elena Ibáñez Alejandro Cifuentes |
| author_sort | Melis Cokdinleyen |
| collection | DOAJ |
| description | A biorefinery process was developed to isolate phycobiliproteins, sulfated polysaccharides, and phenolic compounds from <i>Palmaria palmata</i>. The extraction process was carried out in three stages using ultrasound-assisted extraction (UAE) and pressurized liquid extraction (PLE) integrated with different natural deep eutectic solvents (NaDESs). In general, PLE provided higher phycobiliprotein contents than UAE in the first step of the process. In fact, the hydrolysis product of the PLE-NaDES extracts achieved a higher antioxidant capacity than that of the UAE-NaDES extracts. Particularly, glycerol:glucose (2:1) with 50% water in combination with PLE was the most suitable NaDES to recover the highest phycobiliprotein, protein, and sulfated polysaccharide contents from <i>Palmaria palmata</i> in the first and second steps of the biorefinery process. Finally, a PLE-NaDES using choline chloride:glycerol (1:2) with 60% water as the NaDES was employed for the recovery of antioxidant and neuroprotective phenolic compounds from the residue of the second step, obtaining a higher total phenolic content than employing PLE with ethanol/water (70:30, <i>v</i>/<i>v</i>) as the extraction solvent. Moreover, a forced stability study revealed that the NaDESs provided a protective effect compared to the water extracts against the degradation of phycobiliproteins, preserving their color over time. This study contributes to the recovery of high-value components from an undervalued biomarine source through a sustainable biorefinery process. |
| format | Article |
| id | doaj-art-d63c77147bf843d886de2ed4fc7a7f50 |
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| issn | 1660-3397 |
| language | English |
| publishDate | 2024-10-01 |
| publisher | MDPI AG |
| record_format | Article |
| series | Marine Drugs |
| spelling | doaj-art-d63c77147bf843d886de2ed4fc7a7f502025-08-20T02:10:56ZengMDPI AGMarine Drugs1660-33972024-10-01221046710.3390/md22100467New Green Biorefinery Strategies to Valorize Bioactive Fractions from <i>Palmaria palmata</i>Melis Cokdinleyen0Gloria Domínguez-Rodríguez1Huseyin Kara2Elena Ibáñez3Alejandro Cifuentes4Laboratory of Foodomics, Institute of Food Science Research (CIAL, CSIC), Nicolás Cabrera 9, 28049 Madrid, SpainLaboratory of Foodomics, Institute of Food Science Research (CIAL, CSIC), Nicolás Cabrera 9, 28049 Madrid, SpainFaculty of Sciences, Department of Chemistry, Selçuk University, Arciçh, Ismetpasa Cad, Selçuklu, Konya 42250, TurkeyLaboratory of Foodomics, Institute of Food Science Research (CIAL, CSIC), Nicolás Cabrera 9, 28049 Madrid, SpainLaboratory of Foodomics, Institute of Food Science Research (CIAL, CSIC), Nicolás Cabrera 9, 28049 Madrid, SpainA biorefinery process was developed to isolate phycobiliproteins, sulfated polysaccharides, and phenolic compounds from <i>Palmaria palmata</i>. The extraction process was carried out in three stages using ultrasound-assisted extraction (UAE) and pressurized liquid extraction (PLE) integrated with different natural deep eutectic solvents (NaDESs). In general, PLE provided higher phycobiliprotein contents than UAE in the first step of the process. In fact, the hydrolysis product of the PLE-NaDES extracts achieved a higher antioxidant capacity than that of the UAE-NaDES extracts. Particularly, glycerol:glucose (2:1) with 50% water in combination with PLE was the most suitable NaDES to recover the highest phycobiliprotein, protein, and sulfated polysaccharide contents from <i>Palmaria palmata</i> in the first and second steps of the biorefinery process. Finally, a PLE-NaDES using choline chloride:glycerol (1:2) with 60% water as the NaDES was employed for the recovery of antioxidant and neuroprotective phenolic compounds from the residue of the second step, obtaining a higher total phenolic content than employing PLE with ethanol/water (70:30, <i>v</i>/<i>v</i>) as the extraction solvent. Moreover, a forced stability study revealed that the NaDESs provided a protective effect compared to the water extracts against the degradation of phycobiliproteins, preserving their color over time. This study contributes to the recovery of high-value components from an undervalued biomarine source through a sustainable biorefinery process.https://www.mdpi.com/1660-3397/22/10/467biorefineryphycobiliproteinssulfated polysaccharidesproteinsphenolic compounds<i>Palmaria palmata</i> |
| spellingShingle | Melis Cokdinleyen Gloria Domínguez-Rodríguez Huseyin Kara Elena Ibáñez Alejandro Cifuentes New Green Biorefinery Strategies to Valorize Bioactive Fractions from <i>Palmaria palmata</i> Marine Drugs biorefinery phycobiliproteins sulfated polysaccharides proteins phenolic compounds <i>Palmaria palmata</i> |
| title | New Green Biorefinery Strategies to Valorize Bioactive Fractions from <i>Palmaria palmata</i> |
| title_full | New Green Biorefinery Strategies to Valorize Bioactive Fractions from <i>Palmaria palmata</i> |
| title_fullStr | New Green Biorefinery Strategies to Valorize Bioactive Fractions from <i>Palmaria palmata</i> |
| title_full_unstemmed | New Green Biorefinery Strategies to Valorize Bioactive Fractions from <i>Palmaria palmata</i> |
| title_short | New Green Biorefinery Strategies to Valorize Bioactive Fractions from <i>Palmaria palmata</i> |
| title_sort | new green biorefinery strategies to valorize bioactive fractions from i palmaria palmata i |
| topic | biorefinery phycobiliproteins sulfated polysaccharides proteins phenolic compounds <i>Palmaria palmata</i> |
| url | https://www.mdpi.com/1660-3397/22/10/467 |
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