{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,1]],"date-time":"2026-09-01T20:06:17Z","timestamp":1788293177637,"version":"build-2803163510"},"reference-count":45,"publisher":"MDPI AG","issue":"19","license":[{"start":{"date-parts":[[2022,9,21]],"date-time":"2022-09-21T00:00:00Z","timestamp":1663718400000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"name":"TRITON thematic network","award":["316RT0508"],"award-info":[{"award-number":["316RT0508"]}]},{"name":"TRITON thematic network","award":["110986575000- Conv. 865-2019"],"award-info":[{"award-number":["110986575000- Conv. 865-2019"]}]},{"name":"PATRIMONIO AUT\u00d3NOMO FONDO NACIONAL DE FINANCIAMIENTO PARA LA CIENCIA, LA TECNOLOG\u00cdA Y LA INNOVACI\u00d3N FRANCISCO JOS\u00c9 DE CALDAS","award":["316RT0508"],"award-info":[{"award-number":["316RT0508"]}]},{"name":"PATRIMONIO AUT\u00d3NOMO FONDO NACIONAL DE FINANCIAMIENTO PARA LA CIENCIA, LA TECNOLOG\u00cdA Y LA INNOVACI\u00d3N FRANCISCO JOS\u00c9 DE CALDAS","award":["110986575000- Conv. 865-2019"],"award-info":[{"award-number":["110986575000- Conv. 865-2019"]}]},{"name":"Consejo Nacional de Ciencia y Tecnolog\u00eda de M\u00e9xico (CONACyT)","award":["316RT0508"],"award-info":[{"award-number":["316RT0508"]}]},{"name":"Consejo Nacional de Ciencia y Tecnolog\u00eda de M\u00e9xico (CONACyT)","award":["110986575000- Conv. 865-2019"],"award-info":[{"award-number":["110986575000- Conv. 865-2019"]}]},{"name":"Consejo Nacional de Investigaciones Cient\u00edficas y T\u00e9cnicas (CONICET) de Argentina","award":["316RT0508"],"award-info":[{"award-number":["316RT0508"]}]},{"name":"Consejo Nacional de Investigaciones Cient\u00edficas y T\u00e9cnicas (CONICET) de Argentina","award":["110986575000- Conv. 865-2019"],"award-info":[{"award-number":["110986575000- Conv. 865-2019"]}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Polymers"],"abstract":"<jats:p>The use of mixed microbial cultures (MMC) and organic wastes and wastewaters as feed sources is considered an appealing approach to reduce the current polyhydroxyalkanoates (PHAs) production costs. However, this method entails an additional hurdle to the PHAs downstream processing (recovery and purification). In the current work, the effect of a sodium hypochlorite (NaClO) pre-treatment coupled with dimethyl carbonate (DMC) or chloroform (CF) as extraction solvents on the PHAs recovery efficiency (RE) from MMC was evaluated. MMC were harvested from a sequencing batch reactor (SBR) fed with a synthetic prefermented olive mill wastewaster. Two different carbon-sources (acetic acid and acetic\/propionic acids) were employed during the batch accumulation of polyhydroxybutyrate (PHB) and poly(3-hydroxybutyrate-co-3-hydroxyvalerate) (PHBV) from MMC. Obtained PHAs were characterized by 1H and 13C nuclear magnetic resonance, gel-permeation chromatography, differential scanning calorimetry, and thermal gravimetric analysis. The results showed that when a NaClO pre-treatment is not added, the use of DMC allows to obtain higher RE of both biopolymers (PHB and PHBV), in comparison with CF. In contrast, the use of CF as extraction solvent required a pre-treatment step to improve the PHB and PHBV recovery. In all cases, RE values were higher for PHBV than for PHB.<\/jats:p>","DOI":"10.3390\/polym14193938","type":"journal-article","created":{"date-parts":[[2022,9,22]],"date-time":"2022-09-22T05:33:14Z","timestamp":1663824794000},"page":"3938","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":27,"title":["Improvement of the Polyhydroxyalkanoates Recovery from Mixed Microbial Cultures Using Sodium Hypochlorite Pre-Treatment Coupled with Solvent Extraction"],"prefix":"10.3390","volume":"14","author":[{"given":"Gabriela","family":"Montiel-Jarillo","sequence":"first","affiliation":[{"name":"GENOCOV Research Group, Department of Chemical, Biological and Environmental Engineering, School of Engineering, Universitat Aut\u00f2noma de Barcelona, Escola d\u2019Enginyeria. Edifici Q Campus UAB, Bellaterra, 08193 Barcelona, Spain"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-7844-2798","authenticated-orcid":false,"given":"Diego A.","family":"Morales-Urrea","sequence":"additional","affiliation":[{"name":"Divisi\u00f3n Catalizadores y Superficies, Instituto de Investigaciones en Ciencia y Tecnolog\u00eda de Materiales, INTEMA (CONICET), Av. Col\u00f3n 10850, Mar del Plata 7600, Argentina"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-0546-1095","authenticated-orcid":false,"given":"Edgardo M.","family":"Contreras","sequence":"additional","affiliation":[{"name":"Divisi\u00f3n Catalizadores y Superficies, Instituto de Investigaciones en Ciencia y Tecnolog\u00eda de Materiales, INTEMA (CONICET), Av. Col\u00f3n 10850, Mar del Plata 7600, Argentina"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-2434-5743","authenticated-orcid":false,"given":"Alex","family":"L\u00f3pez-C\u00f3rdoba","sequence":"additional","affiliation":[{"name":"Grupo de Investigaci\u00f3n en Bioeconom\u00eda y Sostenibilidad Agroalimentaria, Escuela de Administraci\u00f3n de Empresas Agropecuarias, Facultad Seccional Duitama, Universidad Pedag\u00f3gica y Tecnol\u00f3gica de Colombia, Carrera 18 con Calle 22, Duitama 150461, Colombia"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-2733-5252","authenticated-orcid":false,"given":"Edwin Yesid","family":"G\u00f3mez-Pach\u00f3n","sequence":"additional","affiliation":[{"name":"Grupo de Investigaci\u00f3n en Dise\u00f1o, Innovaci\u00f3n y Asistencia T\u00e9cnica de Materiales Avanzados-DITMAV, Escuela de Dise\u00f1o Industrial, Universidad Pedag\u00f3gica y Tecnol\u00f3gica de Colombia-UPTC, Duitama 150461, Colombia"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Juli\u00e1n","family":"Carrera","sequence":"additional","affiliation":[{"name":"GENOCOV Research Group, Department of Chemical, Biological and Environmental Engineering, School of Engineering, Universitat Aut\u00f2noma de Barcelona, Escola d\u2019Enginyeria. Edifici Q Campus UAB, Bellaterra, 08193 Barcelona, Spain"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-2520-2701","authenticated-orcid":false,"given":"Mar\u00eda Eugenia","family":"Su\u00e1rez-Ojeda","sequence":"additional","affiliation":[{"name":"GENOCOV Research Group, Department of Chemical, Biological and Environmental Engineering, School of Engineering, Universitat Aut\u00f2noma de Barcelona, Escola d\u2019Enginyeria. Edifici Q Campus UAB, Bellaterra, 08193 Barcelona, Spain"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"1968","published-online":{"date-parts":[[2022,9,21]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","first-page":"1881","DOI":"10.1016\/j.ijbiomac.2021.06.007","article-title":"Comparative Analysis of Various Extraction Processes Based on Economy, Eco-Friendly, Purity and Recovery of Polyhydroxyalkanoate: A Review","volume":"183","author":"Kurian","year":"2021","journal-title":"Int. J. 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