From the forest to the plate – Hemicelluloses, galactoglucomannan, glucuronoxylan, and phenolic-rich extracts from unconventional sources as functional food ingredients
Granato, D., Reshamwala, D., Korpinen, R., Azevedo, L., Vieira do Carmo, M. A., Cruz, T. M., Marques, M. B., Wen, M., Zhang, L., Marjomäki, V., & Kilpeläinen, P. (2022). From the forest to the plate – Hemicelluloses, galactoglucomannan, glucuronoxylan, and phenolic-rich extracts from unconventional sources as functional food ingredients. Food chemistry, 381, Article 132284. https://doi.org/10.1016/j.foodchem.2022.132284
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Food chemistryAuthors
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2022Copyright
© 2022 the Authors
This study aimed to characterise pressurised hot water (PHW) extracts from nonconventional sources of functional carbohydrates and phenolic compounds in terms of antioxidant capacity, antiviral activity, toxicity, and human erythrocytes’ protection antidiabetic potential. PHW extracts of Norway spruce bark (E1 + E2) and Birch sawdust (E3 + E4) contained mostly galactoglucomannan and glucuronoxylan. In contrast, samples E5 to E9 PHW extracted from Norway spruce, and Scots pine bark are rich sources of phenolic compounds. Overall, phenolic-rich extracts presented the highest inhibition of α-amylase and α-glucosidase and protection against stable non-enveloped enteroviruses. Additionally, all extracts protected human erythrocytes from hemolysis. Cell-based experiments using human cell lines (IMR90 and A549) showed extracts’ non-toxic in vitro profile. Considering the relative toxicological safety of extracts from these unconventional sources, functional carbohydrates and polyphenol-rich extracts can be obtained and further used in food models.
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https://converis.jyu.fi/converis/portal/detail/Publication/104120176
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Business FinlandFunding program(s)
Others, Business FinlandAdditional information about funding
The authors thank Natural Resources Institute Finland (Luke) for partially funding this work Project WoodHype (41007-00173600) and Business Finland Co-creation project Antiviral fibres (40699/31/2020) for supporting the antiviral work in the University of Jyväskylä. We also thank SimsBioPro (Luke 41007-00155200) and TanWat (EU/Interreg/Botnia-Atlantica, 20201484) projects for providing samples for the experiments. ...License
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