Utilize este identificador para referenciar este registo:
https://hdl.handle.net/1822/78693
Título: | Extraction of biomolecules from Coelastrella sp. LRF1 biomass using Ohmic Heating technology |
Autor(es): | Sousa, Vítor Luís Loureiro Carvalho, Gonçalo Pereira, Ricardo Nuno Correia |
Palavras-chave: | Moderate electric fields (MEF) Cell disruption Chlorophyll Tryptophan Fluorescence Bioactivity Flow cytometry |
Data: | Ago-2022 |
Editora: | Elsevier 1 |
Revista: | Innovative Food Science & Emerging Technologies |
Citação: | Sousa, V., Loureiro, L., Carvalho, G., & Pereira, R. N. (2022). Extraction of biomolecules from Coelastrella sp. LRF1 biomass using Ohmic Heating technology. Innovative Food Science & Emerging Technologies, 80, 103059. doi: https://doi.org/10.1016/j.ifset.2022.103059 |
Resumo(s): | Ohmic heating (OH) allows a natural synergy between thermal and electrical effects, appearing as an efficient approach to the thermal extraction of biocompounds. Different electrical field intensities (e.g., 12 and 217V/cm), treatment temperatures (from 50 to 100°C) and heating strategies (continuous and pulsed heating) were combined to enhance for the first time the extraction of nutrients from microalgae Coelastrella sp. LFR1, which is highly adapted to extreme survival conditions. Results showed that OH applied at 217V/cm, through a fast and single heating pulse (OHP), and at maximum peak temperature of approximately 100°C (with <1s of holding time), resulted in the maximum recovery of 50% of chlorophyll a (e.g., 1.02mg/gDW) and 20.4% of proteins (29.4mg/gDW) from biomass; lipids and carbohydrates were equally extracted resulting on extraction of 40 and 52%, respectively. OHP allowed to obtain nutrient rich extracts from Coelastrella sp. LFR1 with a significant radical scavenging activity ranging from 20 to 60%. |
Tipo: | Artigo |
URI: | https://hdl.handle.net/1822/78693 |
DOI: | 10.1016/j.ifset.2022.103059 |
ISSN: | 1466-8564 |
Versão da editora: | https://www.sciencedirect.com/science/article/abs/pii/S1466856422001448 |
Arbitragem científica: | yes |
Acesso: | Acesso restrito UMinho |
Aparece nas coleções: | CEB - Publicações em Revistas/Séries Internacionais / Publications in International Journals/Series |
Ficheiros deste registo:
Ficheiro | Descrição | Tamanho | Formato | |
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document_55608_1.pdf Acesso restrito! | 1,14 MB | Adobe PDF | Ver/Abrir |