Browsing Bergen Open Research Archive by Author "Holmelid, Bjarte"
Now showing items 1-5 of 5
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Characterization of high value products in the side-stream of Laminaria hyperborea alginate production - Targeting the phenolic content
Wekre, Marie Emilie; Holmelid, Bjarte; Underhaug, Jarl; Pedersen, Bjørn; Kopplin, Georg; Jordheim, Monica (Journal article; Peer reviewed, 2023)Sustainable production based on renewable biomass and efficient bioprocesses are important elements in the growing blue bioeconomy. The traditional Laminaria hyperborea alginate production disposes approximately 80 % of ... -
Natural Products from Leaves of the Ancient Iranian Medicinal Plant Echium amoenum Fisch. & C. A. Mey.
Jamnani, Mehdi Jafari; Holmelid, Bjarte; Vedeler, Anni; Parsian, Hoda H.; Andersen, Heidi Lie; Fossen, Torgils (Journal article; Peer reviewed, 2023-01-02)For several millennia, leaves of Echium amoenum Fisch. & C. A. Mey., an important Iranian medicinal plant with nutritional value as nutraceutical, have been used as tea for the treatment of several conditions, including ... -
Non-Polar Natural Products from Bromelia laciniosa, Neoglaziovia variegata and Encholirium spectabile (Bromeliaceae)
Juvik, Ole-Johan; Holmelid, Bjarte; Francis, George William; Andersen, Heidi Lie; De Oliveira, Ana Paula; De Oliveira, Raimundo Gon alves; Da Silva Almeida, Jackson Roberto Guedes; Fossen, Torgils (Peer reviewed; Journal article, 2017-09-06)Extensive regional droughts are already a major problem on all inhabited continents and severe regional droughts are expected to become an increasing and extended problem in the future. Consequently, extended use of available ... -
Photodegradable Antimicrobial Agents: Synthesis and Mechanism of Degradation
Eikemo, Vebjørn; Holmelid, Bjarte; Sydnes, Leiv K.; Sydnes, Magne Olav (Journal article; Peer reviewed, 2022)As a strategy to inactivate antimicrobial agents after use, we designed a range of ethanolamine derivatives where four of them possessed interesting activity. The ethanolamine moiety facilitates photodecomposition, which ... -
Quantification of Polyphenols in Seaweeds: A Case Study of Ulva intestinalis
Wekre, Marie Emilie; Kåsin, Karoline; Underhaug, Jarl; Holmelid, Bjarte; Jordheim, Monica (Peer reviewed; Journal article, 2019-12-03)In this case study, we explored quantitative 1H NMR (qNMR), HPLC-DAD, and the Folin-Ciocalteu assay (TPC) as methods of quantifying the total phenolic content of a green macroalga, Ulva intestinalis, after optimized ...