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Introduction
My scientific interests are in seaweed physiology and phycochemistry, cultivation of seaweeds in IMTA systems, and the extraction, purification and identification of their useful compounds.
Skills and Expertise
Publications
Publications (20)
The effects of the Instant Controlled Pressure Drop (DIC) technology on the recovery of natural compounds from the brown seaweed Sargassum muticum (Yendo) Fensholt 1955 (Ochrophytina, Fucales) were investigated. Fresh biomass of S. muticum was collected on the Brittany Coast, France. Both fresh and Air Impingement-Dried (AID) thalli of 3 and 10 cm...
Marine macrophytes are considered promising biomass for bioethanol production. The increases in anthropogenic nutrients and climate change have caused unprecedented blooming of ‘sargasso’ across the Atlantic since 2011. This biomass reaches the Caribbean Sea, stranding in large amounts along shorelines, and creating a serious waste management probl...
Gracilaria cornea was exposed to different irradiance intensities (low, moderate, and high) and light qualities (white and white + blue) in experimental cultures. Photosynthetic physiology was measured through daily growth rate, maximum photosynthesis, maximum photochemical efficiency, pigment content (chlorophyll a, phycobiliproteins, carotenoids)...
Herpes viruses (HSV) are among the most common viruses that infect humans. They cause blisters and inflammation of the oral and genital mucosa as well as severe symptoms such as blindness, hearing impairment and fatal encephalitis. Although acyclovir (ACV) and its derivatives are highly effective in treating recurrent lytic infections, the emergenc...
Even after hundreds of clinical trials, the search for new antivirals to treat COVID-19 is still relevant. Carrageenans are seaweed sulfated polysaccharides displaying antiviral activity against a wide range of respiratory viruses. The objective of this work was to study the antiviral properties of Halymenia floresii and Solieria chordalis carragee...
Solieria spp. (Solieriaceae, Gigartinales, Rhodophyta) can be found in various habitats ranging from the marine environment to low-salinity estuarine environments. Of the commercially exploited carrageenophytes, some of the most abundant belong to the Solieriaceae family as, Kappaphycus, Eucheuma and Solieria. The supply of these seaweeds is ensure...
Polyopes lancifolius is an introduced species of Halymeniales (Rhodophyta) from Asia, discovered on the North Atlantic coast in 2008. In this study, a first biochemical description of the species from the Gulf of Morbihan (France) is presented. The overall biochemical analysis of the algal raw material showed levels of neutral sugars (25.14% dw), p...
Herpes simplex virus 1 (HSV-1) remains a prominent health concern widespread all over the world. The increasing genital infections by HSV-1 that might facilitate acquisition and transmission of HIV-1, the cumulative evidence that HSV-1 promotes neurodegenerative disorders, and the emergence of drug resistance signify the need for new antiviral agen...
Polysaccharides, lipids and amino acid profiles were investigated to understand the nutritional value of Caulerpa racemosa and Ulva fasciata from the Philippines. The results revealed that both species contain high amounts of proteins (8.8–19.9% for C. racemosa and 8.0–11.1% for U. fasciata). The portions of the total amino acids that were essentia...
Historically, enzyme-assisted extraction was applied to seaweeds to find a new ecofriendly way for phycocolloid extraction. A first evolution in the use of this novel extraction method leads to active fractions from seaweeds (not only polysaccharides) for agriculture, health, food, feed, or cosmetic applications. Since 2015, a second evolution has...
Rhodymenia pseudopalmata lives in the intertidal zone receiving high doses of solar radiation, including the potentially harmful UVR. Previous studies proved it ability to adapt to different artificial light intensities and salinity concentrations. The aim of this study was to describe the differences on the Mycosporine-like amino acids (MAAs), phe...
High diversity of marine macroalgae is reported for Mexican coasts, including numerous endemic species. Seaweed research in Mexico has focused on the northern regions of the Pacific coast (Temperate Pacific and Gulf of California) and on the Mexican Caribbean coast, leaving aside other regions (Tropical Pacific and Gulf of Mexico). Utilization of s...
Given the current interest to reach sustainable protein supplies, seaweed proteins represent a potential source for pharmaceutical, nutraceutical, cosmeceutical, or food and feed applications. Some species are reported to contain high quantities of protein with original amino acid composition, which has been comparable to the values reported for ot...
Growth, biochemical composition and antioxidant capacity of Rhodymenia pseudopalmata were studied under controlled laboratory conditions. Cultures were exposed to five salinities ranging from 20, 25, 30, 35 and 40 psu under three photosynthetic active radiations (PAR) 50, 100 and 200 μmol photons m⁻²s⁻¹. Rhodymenia pseudopalmata daily growth rates...
Hormonal induction of spotted sand bass Paralabrax maculatofasciatus, was investigated in order to induce and synchronize spawning. Three experiments were conducted using wild fish captured in the Gulf of California: 1) LHRHa (luteinizing hormone-releasing hormone analogue) induced spawning with concentrations of 25, 50, 100 μg kg-1 and saline solu...
The aim of this research was to evaluate the physiological and biochemical responses of R. pseudopalmata to solar irradiation under exposed conditions of culture. Maximum Quantum Yield of PSII (Fv/Fm), antioxidant capacity and Anti‐UV compounds were evaluated.
Conditions for the induction of triploidy with cold shock of fertilized eggs of the spotted sand bass Paralabrax maculatofasciatus (Steindachner) were investigated. Different temperatures (12, 8 and 4 °C), timing of cold shock application (5, 10 and 15 min after fertilization) and duration of the shock (5, 10, 15 and 20 min) were tested. Triploidy...
Una de las especies marinas más cotizadas en la costa mexicana del pacífico, es el huachinango Lutjanus peru, que cuenta con una gran demanda en los mercados de Estados Unidos, México y Sudamérica. En las instalaciones de la Unidad Piloto de Maricultivos del Centro Interdisciplinario de Ciencias Marinas del Instituto Politécnico Nacional (CICIMAR,...