| Title: | Sustainable extraction of hemp seed and formulation extracts into organogels with analytical profiling of fatty acidssubcritical fluids in food processing |
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| Authors: | ID Karlovšek, Sara (Author)
ID Žitek Makoter, Taja (Author)
ID Makoter, Teo (Author)
ID Knez, Željko (Author)
ID Knez Marevci, Maša (Author) |
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| Files: |  fyaf018.pdf (911,70 KB)
MD5: 5B9D06EBAACDD90C4FB816B8450928CF
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| Language: | English |
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| Work type: | Article |
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| Typology: | 1.01 - Original Scientific Article |
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| Organization: | FKKT - Faculty of Chemistry and Chemical Engineering
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| Abstract: | Sustainable extraction methods for natural extracts are crucial for mitigating environmental impact. Strategies that focus on waste reduction and resource efficiency contribute to long-term conservation. Hemp seeds, which were previously treated as waste product, are now valued for their nutrition and functional properties. This study investigated sustainable extraction methods for obtaining natural extracts from hemp seeds, with a focus on reducing environmental impact through efficient resource utilization and waste reduction. The extraction methods compared included supercritical fluid extraction (SFE), Soxhlet extraction (SOX), ultrasound-assisted extraction (UAE), cold maceration (CM), and cold pressing (CP). The contents of antioxidants, total phenols, and fatty acids in the extracts were analyzed via gas chromatography–mass spectrometry (GC–MS). The extracts were subsequently formulated into organogels to evaluate the stability of the fatty acids. The results showed that SFE and CP were the most efficient and environmentally friendly methods, with SFE allowing complete separation of the solvent from the extract. CP was also found to be effective and environmentally friendly. The study confirmed that formulating extracts in organogels effectively inhibited fatty acid oxidation, although a reduction in fatty acid content was observed during gel production. Overall, the formulation of extracts in organogels increased their stability, especially in preventing fatty acid degradation. |
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| Keywords: | supercritical fluid extraction, ultrasound extraction, cold pressing method, fatty acids, stability of formulations |
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| Publication status: | Published |
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| Publication version: | Version of Record |
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| Submitted for review: | 23.09.2024 |
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| Article acceptance date: | 06.04.2025 |
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| Publication date: | 30.05.2025 |
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| Publisher: | Oxford University Press |
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| Year of publishing: | 2025 |
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| Number of pages: | 12 str. |
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| Numbering: | Vol. 9, [art. no.]. ǂ018 |
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| PID: | 20.500.12556/DKUM-95724  |
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| UDC: | 66.02 |
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| ISSN on article: | 2399-1402 |
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| COBISS.SI-ID: | 253345539 |
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| DOI: | 10.1093/fqsafe/fyaf018 |
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| Copyright: | © The Author(s) 2025 |
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| Publication date in DKUM: | 15.10.2025 |
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| Views: | 177 |
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| Downloads: | 15 |
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| Metadata: |    |
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| Categories: | Misc.
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