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Valorizing Assorted Logging Residues: Response Surface Methodology in the Extraction Optimization of a Green Norway Spruce Needle-Rich Fraction To Obtain Valuable Bioactive Compounds

dc.contributor.authorTienaho, Jenni
dc.contributor.authorFidelis, Marina
dc.contributor.authorBrännström, Hanna
dc.contributor.authorHellström, Jarkko
dc.contributor.authorRudolfsson, Magnus
dc.contributor.authorKumar Das, Atanu
dc.contributor.authorLiimatainen, Jaana
dc.contributor.authorKumar, Anuj
dc.contributor.authorKurkilahti, Mika
dc.contributor.authorKilpeläinen, Petri
dc.contributor.departmentid4100211310
dc.contributor.departmentid4100211310
dc.contributor.departmentid4100211110
dc.contributor.departmentid4100211310
dc.contributor.departmentid4100211110
dc.contributor.departmentid4100211110
dc.contributor.departmentid4100111010
dc.contributor.departmentid4100211110
dc.contributor.orcidhttps://orcid.org/0000-0002-7089-7832
dc.contributor.orcidhttps://orcid.org/0000-0002-5601-1169
dc.contributor.orcidhttps://orcid.org/0000-0002-7704-1180
dc.contributor.orcidhttps://orcid.org/0000-0001-6940-3850
dc.contributor.orcidhttps://orcid.org/0000-0002-0982-0123
dc.contributor.organizationLuonnonvarakeskus
dc.date.accessioned2024-02-06T09:13:29Z
dc.date.accessioned2025-05-28T11:35:26Z
dc.date.available2024-02-06T09:13:29Z
dc.date.issued2024
dc.description.abstractDuring stemwood harvesting, substantial volumes of logging residues are produced as a side stream. Nevertheless, industrially feasible processing methods supporting their use for other than energy generation purposes are scarce. Thus, the present study focuses on biorefinery processing, employing response surface methodology to optimize the pressurized extraction of industrially assorted needle-rich spruce logging residues with four solvents. Eighteen experimental points, including eight center point replicates, were used to optimize the extraction temperature (40–135 °C) and time (10–70 min). The extraction optimization for water, water with Na2CO3 + NaHSO3 addition, and aqueous ethanol was performed using yield, total dissolved solids (TDS), antioxidant activity (FRAP, ORAC), antibacterial properties (E. coli, S. aureus), total phenolic content (TPC), condensed tannin content, and degree of polymerization. For limonene, evaluated responses were yield, TDS, antioxidant activity (CUPRAC, DPPH), and TPC. Desirability surfaces were created using the responses showing a coefficient of determination (R2) > 0.7, statistical significance (p ≤ 0.05), precision > 4, and statistically insignificant lack-of-fit (p > 0.1). The optimal extraction conditions were 125 °C and 68 min for aqueous ethanol, 120 °C and 10 min for water, 111 °C and 49 min for water with Na2CO3 + NaHSO3 addition, and 134 °C and 41 min for limonene. The outcomes contribute insights to industrial logging residue utilization for value-added purposes.
dc.description.vuosik2024
dc.format.bitstreamtrue
dc.format.pagerange237-249
dc.identifier.olddbid497218
dc.identifier.oldhandle10024/554652
dc.identifier.urihttps://jukuri.luke.fi/handle/11111/22137
dc.identifier.urlhttp://dx.doi.org/10.1021/acssusresmgt.3c00050
dc.identifier.urnURN:NBN:fi-fe2024072662664
dc.language.isoen
dc.okm.avoinsaatavuusjulkaisumaksu4138
dc.okm.avoinsaatavuusjulkaisumaksuvuosi2024
dc.okm.avoinsaatavuuskytkin1 = Avoimesti saatavilla
dc.okm.corporatecopublicationei
dc.okm.discipline116
dc.okm.discipline215
dc.okm.internationalcopublicationon
dc.okm.julkaisukanavaoa2 = Osittain avoimessa julkaisukanavassa ilmestynyt julkaisu
dc.okm.selfarchivedon
dc.publisherAmerican Chemical Society (ACS)
dc.relation.doi10.1021/acssusresmgt.3c00050
dc.relation.ispartofseriesACS Sustainable Resource Management
dc.relation.issn2837-1445
dc.relation.numberinseries2
dc.relation.volume1
dc.rightsCC BY 4.0
dc.source.identifierhttps://jukuri.luke.fi/handle/10024/554652
dc.subjectantibacterial
dc.subjectantioxidant
dc.subjectcondensed tannins
dc.subjectextraction optimization
dc.subjectindustrially assorted needle-rich logging residue
dc.subjectPicea abies
dc.subjectresponse surface methodology
dc.subjecttotal phenolic content
dc.teh41007-00218501
dc.titleValorizing Assorted Logging Residues: Response Surface Methodology in the Extraction Optimization of a Green Norway Spruce Needle-Rich Fraction To Obtain Valuable Bioactive Compounds
dc.typepublication
dc.type.okmfi=A1 Alkuperäisartikkeli tieteellisessä aikakauslehdessä|sv=A1 Originalartikel i en vetenskaplig tidskrift|en=A1 Journal article (refereed), original research|
dc.type.versionfi=Publisher's version|sv=Publisher's version|en=Publisher's version|

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