RT Journal Article
T1 Investigating the Presence of Selenoneine, Ergothioneine, and Selenium-Containing Biomolecules in Fish and Fish-Derived Commercial Products
A1 Fernández Bautista, Tamara
A1 Gómez Gómez, Beatriz
A1 Gracia Lor, Emma
A1 Pérez Corona, María Teresa
A1 Madrid Albarrán, María Yolanda
AB Two potent antioxidants, selenoneine and ergothioneine, have been determined simultaneously for the first time in the muscle of highly consumed fish and in fish-derived products. The extraction methods were optimized, and their subsequent analysis was performed by HPLC-ESI-MS/MS. Best extraction efficiency (106 ± 3 and 104 ± 5%) was attained by performing a simple aqueous extraction containing 100 mmol L−1 ammonium acetate or ammonium formate as extractants. Selenoneine and ergothioneine were simultaneously detected in tuna (0.306 ± 0.006 and 3.5 ± 0.2 μg g−1) and swordfish (0.14 ± 0.02 and 1.1 ± 0.4 μg g−1) muscle tissues, while in fish roe and in farmed salmon, only ergothioneine was detected (with contents ranging 0.03−3.3 μg g−1). Moreover, the presence of their respective methylated forms was also considered. Additionally, Se-containing biomolecule profiles from water-soluble proteins were obtained by SEC-ICP-MS analysis. Results revealed similar profiles between fish and fish roe, whereas for ultraprocessed fish products, Se seems to be mostly associated with low-molecular-weight biomolecules. The results included in this work may contribute to a better understanding of the relations between selenoneine and ergothioneine in fisheryproducts as well as their fate and potential modifications of Se-containing biomolecule profiles during fish processing.
PB American Chemical Society
YR 2024
FD 2024-11
LK https://hdl.handle.net/20.500.14352/126003
UL https://hdl.handle.net/20.500.14352/126003
LA eng
NO Fernández-Bautista, Tamara, et al. «Investigating the Presence of Selenoneine, Ergothioneine, and Selenium-Containing Biomolecules in Fish and Fish-Derived Commercial Products». Journal of Agricultural and Food Chemistry, vol. 72, n.o 47, noviembre de 2024, pp. 26155-64. DOI.org (Crossref), https://doi.org/10.1021/acs.jafc.4c06111.
NO Unión Europea
NO Comunidad de Madrid
NO Universidad Complutense de Madrid
DS Docta Complutense
RD 31 dic 2025