Immobilization of Chaga extract in alginate beads for modified release: simplicity meets efficiency

2019
Authors
Petrović, Predrag
Ivanović, Katarina
Octrue, Charly
Tumara, Mica
Jovanović, Aleksandra

Vunduk, Jovana

Nikšić, Miomir

Pjanović, Rada

Bugarski, Branko

Klaus, Anita

Article (Published version)
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Chaga (Inonotus obliquus) is a parasitic fungus, which has been used in traditional medicine in Russia and other northern European countries in the treatment of cancer, gastrointestinal andliver diseases. It has been a subject of intensive researchrecently, confirming many of its health-beneficial effects. In order to obtain a product that would allow modified and prolonged release of the Chaga's active metabolites, hot water Chaga extract was immobilized using calcium - alginate. The extract, which was predominantly composed of carbohydrates (57 %), also contained a relatively high amount of antioxidants/phenolic compounds (130 mg gallic acid equivalents per g of dry extract) and exhibited pronounced radical scavenging activity. It showed significant antibacterial activity as well, inhibiting growth of tested bacterial strains at concentrations of 1.25-20 mg/mL. Entrapment efficiency was about 80 %, and the extract-alginate system showed pH-dependant extract release; there was negligi...ble release at pH 1.75 (gastric pH), and the release gradually increased with the increase in pH, reaching similar to 43 % of immobilized extract at pH 8.5 after 90 min. Such a product could be used as a dietary supplement, adjuvant in therapy of gastrointestinal diseases or as a food additive.
Keywords:
mushrooms / natural product / antioxidant / antimicrobial / encapsulationSource:
Hemijska industrija, 2019, 73, 5, 325-335Publisher:
- Savez hemijskih inženjera, Beograd
Funding / projects:
DOI: 10.2298/HEMIND190819028P
ISSN: 0367-598X
WoS: 000496945300005
Scopus: 2-s2.0-85075240386
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Tehnološko-metalurški fakultetTY - JOUR AU - Petrović, Predrag AU - Ivanović, Katarina AU - Octrue, Charly AU - Tumara, Mica AU - Jovanović, Aleksandra AU - Vunduk, Jovana AU - Nikšić, Miomir AU - Pjanović, Rada AU - Bugarski, Branko AU - Klaus, Anita PY - 2019 UR - http://TechnoRep.tmf.bg.ac.rs/handle/123456789/4105 AB - Chaga (Inonotus obliquus) is a parasitic fungus, which has been used in traditional medicine in Russia and other northern European countries in the treatment of cancer, gastrointestinal andliver diseases. It has been a subject of intensive researchrecently, confirming many of its health-beneficial effects. In order to obtain a product that would allow modified and prolonged release of the Chaga's active metabolites, hot water Chaga extract was immobilized using calcium - alginate. The extract, which was predominantly composed of carbohydrates (57 %), also contained a relatively high amount of antioxidants/phenolic compounds (130 mg gallic acid equivalents per g of dry extract) and exhibited pronounced radical scavenging activity. It showed significant antibacterial activity as well, inhibiting growth of tested bacterial strains at concentrations of 1.25-20 mg/mL. Entrapment efficiency was about 80 %, and the extract-alginate system showed pH-dependant extract release; there was negligible release at pH 1.75 (gastric pH), and the release gradually increased with the increase in pH, reaching similar to 43 % of immobilized extract at pH 8.5 after 90 min. Such a product could be used as a dietary supplement, adjuvant in therapy of gastrointestinal diseases or as a food additive. PB - Savez hemijskih inženjera, Beograd T2 - Hemijska industrija T1 - Immobilization of Chaga extract in alginate beads for modified release: simplicity meets efficiency EP - 335 IS - 5 SP - 325 VL - 73 DO - 10.2298/HEMIND190819028P ER -
@article{ author = "Petrović, Predrag and Ivanović, Katarina and Octrue, Charly and Tumara, Mica and Jovanović, Aleksandra and Vunduk, Jovana and Nikšić, Miomir and Pjanović, Rada and Bugarski, Branko and Klaus, Anita", year = "2019", abstract = "Chaga (Inonotus obliquus) is a parasitic fungus, which has been used in traditional medicine in Russia and other northern European countries in the treatment of cancer, gastrointestinal andliver diseases. It has been a subject of intensive researchrecently, confirming many of its health-beneficial effects. In order to obtain a product that would allow modified and prolonged release of the Chaga's active metabolites, hot water Chaga extract was immobilized using calcium - alginate. The extract, which was predominantly composed of carbohydrates (57 %), also contained a relatively high amount of antioxidants/phenolic compounds (130 mg gallic acid equivalents per g of dry extract) and exhibited pronounced radical scavenging activity. It showed significant antibacterial activity as well, inhibiting growth of tested bacterial strains at concentrations of 1.25-20 mg/mL. Entrapment efficiency was about 80 %, and the extract-alginate system showed pH-dependant extract release; there was negligible release at pH 1.75 (gastric pH), and the release gradually increased with the increase in pH, reaching similar to 43 % of immobilized extract at pH 8.5 after 90 min. Such a product could be used as a dietary supplement, adjuvant in therapy of gastrointestinal diseases or as a food additive.", publisher = "Savez hemijskih inženjera, Beograd", journal = "Hemijska industrija", title = "Immobilization of Chaga extract in alginate beads for modified release: simplicity meets efficiency", pages = "335-325", number = "5", volume = "73", doi = "10.2298/HEMIND190819028P" }
Petrović, P., Ivanović, K., Octrue, C., Tumara, M., Jovanović, A., Vunduk, J., Nikšić, M., Pjanović, R., Bugarski, B.,& Klaus, A.. (2019). Immobilization of Chaga extract in alginate beads for modified release: simplicity meets efficiency. in Hemijska industrija Savez hemijskih inženjera, Beograd., 73(5), 325-335. https://doi.org/10.2298/HEMIND190819028P
Petrović P, Ivanović K, Octrue C, Tumara M, Jovanović A, Vunduk J, Nikšić M, Pjanović R, Bugarski B, Klaus A. Immobilization of Chaga extract in alginate beads for modified release: simplicity meets efficiency. in Hemijska industrija. 2019;73(5):325-335. doi:10.2298/HEMIND190819028P .
Petrović, Predrag, Ivanović, Katarina, Octrue, Charly, Tumara, Mica, Jovanović, Aleksandra, Vunduk, Jovana, Nikšić, Miomir, Pjanović, Rada, Bugarski, Branko, Klaus, Anita, "Immobilization of Chaga extract in alginate beads for modified release: simplicity meets efficiency" in Hemijska industrija, 73, no. 5 (2019):325-335, https://doi.org/10.2298/HEMIND190819028P . .