Zobrazeno 1 - 10
of 28
pro vyhledávání: '"David Romero-Estévez"'
Autor:
Raúl D. Monge-Sevilla, Lenys Fernández, Patricio J. Espinoza-Montero, Carlos Méndez-Durazno, Pablo A. Cisneros-Pérez, David Romero-Estévez, Diego Bolaños-Méndez, Jocelyne Alvarez-Paguay, Mónica Jadán
Publikováno v:
Heliyon, Vol 10, Iss 9, Pp e30593- (2024)
The native berries of South America present promising marketing opportunities owing to their high antioxidant content, notably rich in anthocyanin and phenolic compounds. However, Ecuador's endemic fruits, primarily found in the wild, lack comprehens
Externí odkaz:
https://doaj.org/article/6ea79d737a43458dacbfd405a05f5bdb
Publikováno v:
Heliyon, Vol 10, Iss 1, Pp e23232- (2024)
Pollution from plastic debris and microplastics (MPs) is a worldwide issue. Classified as emerging contaminants, MPs have become widespread and have been found not only in terrestrial and aquatic ecosystems but also within the food chain, which affec
Externí odkaz:
https://doaj.org/article/0114e9a3deb24b3d8118bc3b95e5851f
Publikováno v:
Anuario de Arqueología, Vol 15, Iss 15 (2023)
La trascendencia del desarrollo de los procesos tecnológicos alcanzados durante varios miles de años por los orfebres precolombinos radica en el alto desempeño de sus técnicas metalúrgicas, sin conocerse hasta la actualidad, todos los métodos q
Externí odkaz:
https://doaj.org/article/7656d6a3cf6343719d40df18d539d4ac
Publikováno v:
Foods, Vol 13, Iss 9, p 1348 (2024)
The consumption of natural foods is increasingly high, and in recent years, consumers have preferred foods from systems with responsible management of natural resources (organic, hydroponic). However, there are still contradictions regarding the nutr
Externí odkaz:
https://doaj.org/article/5883a095fc2144ff8872610ca63640c9
Publikováno v:
Toxicology Reports, Vol 10, Iss , Pp 647-658 (2023)
Total mercury and fatty acids contents were determined in muscles of croaker, snapper, dolphinfish, blue marlin, and shark, from different markets in the Metropolitan District of Quito, Ecuador. Fifty-five samples were collected and analyzed for tota
Externí odkaz:
https://doaj.org/article/3c1871db1d84465a920fe26a24dfee31
Autor:
David Romero-Estévez, Gabriela S. Yánez-Jácome, Karina Simbaña-Farinango, Pamela Y. Vélez-Terreros, Hugo Navarrete
Publikováno v:
Toxicology Reports, Vol 7, Iss , Pp 893-899 (2020)
Vegetables are one of the most important components in the human diet, but despite their multiple nutritional components, studies have demonstrated the presence of trace metals in their edible parts. In Ecuador, two of the most consumed crops are tom
Externí odkaz:
https://doaj.org/article/fceadfe54fdd4c77aba36dffeda5918e
Autor:
Fabricio Campaña G., Jorge Uquillas S., Estefanía Villamarín B., Gabriela Yánez-Jácome, David Romero-Estévez, Fernanda Pilaquinga F.
Publikováno v:
infoANALITÍCA, Vol 10, Iss 1 (2022)
Los materiales tradicionales derivados del petróleo como el polietileno y polipropileno son los más empleados en el campo de la protésica, sin embargo, la tendencia a la protección del medio ambiente amerita el análisis de nuevos materiales biod
Externí odkaz:
https://doaj.org/article/a08c777d1d71462c8af838cf9e8a072a
Autor:
Carlos Méndez-Durazno, Pablo A. Cisneros-Perez, Bryan A. Loja-Ojeda, Raúl Monge-Sevilla, David Romero-Estévez, Lenys Fernández, Patricio J. Espinoza-Montero
Publikováno v:
Antioxidants, Vol 12, Iss 2, p 318 (2023)
This study evaluated the antioxidant properties and chemical composition of the seeds, pulp and peels of Ungurahua (Oenocarpus bataua) and Pasu (Gustavia macarenensis)—fruits, native to the Ecuadorian Amazon. The antioxidant capacity was measured b
Externí odkaz:
https://doaj.org/article/ba0e643b53ff4f73a500bc2412a284c9
Publikováno v:
Universitas Scientiarum, Vol 24, Iss 3, Pp 497-521 (2019)
Environmental pollution allows heavy metals to interact with ecosystems, bioaccumulating and passing through the food chain. Animals and humans can consume contaminated species and reach toxic and harmful concentrations in their organisms. While th
Externí odkaz:
https://doaj.org/article/57674320845b43de8e480d73f9081f64
Autor:
David Romero-Estévez, Gabriela S. Yánez-Jácome, Mónica Dazzini Langdon, Karina Simbaña-Farinango, Eduardo Rebolledo Monsalve, Gabriel Durán Cobo, Hugo Navarrete
Publikováno v:
Frontiers in Environmental Science, Vol 8 (2020)
Santa Rosa Island community members derive their income and livelihoods from bio-aquatic resources, principally bivalves of the genus Anadara, both for subsistence use and commercial purposes. Bivalve mollusks have a sedentary lifestyle and feed by f
Externí odkaz:
https://doaj.org/article/90d2b35cc52247ab90649d31610c92b9