In Vivo Nutritional Assessment of the Microalga Nannochloropsis gaditana and Evaluation of the Antioxidant and Antiproliferative Capacity of Its Functional Extracts
Metadatos
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Martínez Martínez, Rosario; García Beltrán, Alejandro; Kapravelou, Garyfallia; Mesas Hernández, Cristina; Cabeza Montilla, Laura; Perazzoli, Gloria; Galisteo Moya, Milagros; Aranda Ramírez, Pilar; Prados Salazar, José Carlos; López-Jurado Romero De La Cruz, María; Melguizo Alonso, Consolación; Porres Foulquie, Jesús MaríaEditorial
MDPI
Materia
Nannochloropsis gaditana Functional extracts Nutrient bioavailability Antioxidant capacity
Fecha
2022-05-11Referencia bibliográfica
Martínez, R... [et al.]. In Vivo Nutritional Assessment of the Microalga Nannochloropsis gaditana and Evaluation of the Antioxidant and Antiproliferative Capacity of Its Functional Extracts. Mar. Drugs 2022, 20, 318. [https://doi.org/10.3390/md20050318]
Patrocinador
International Excellence Campus of the Sea (CEI-MAR) CEIJ-016; Spanish Government European Commission RTC-2017-6540-1 RTI-2018-100934-B-I00Resumen
Nannochloropsis gaditana is a microalga with interesting nutritional and functional value
due to its high content of protein, polyunsaturated fatty acids, and bioactive compounds. However,
the hardness of its cell wall prevents accessibility to these components. This work aimed to study
the effect of a treatment to increase the fragility of the cell wall on the bioavailability of its nutrients
and functional compounds. The antioxidant and antiproliferative capacity of functional extracts
from treated and untreated N. gaditana was assessed, and the profile of bioactive compounds was
characterized. Furthermore, to study the effect of treatment on its nutrient availability and functional
capacity, an in vivo experiment was carried out using a rat experimental model and a 20% dietary
inclusion level of microalgae. Functional extracts from treated N. gaditana exhibited higher antioxidant
activity than the untreated control. Furthermore, the treated microalga induced hypoglycemic action,
higher nitrogen digestibility, and increased hepatic antioxidant activity. In conclusion, N. gaditana
has interesting hepatoprotective, antioxidant, and anti-inflammatory potential, thus proving itself an
ideal functional food candidate, especially if the microalga is treated to increase the fragility of its cell
wall before consumption.