Dr. Vitória Pereira
CIIMAR (Centro Interdisciplinar de Investigação Marinha e Ambiental), Matosinhos, Porto, Portugal
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Academic Career Length
8Years (2019-Present)
(Calculated once Scilit publication data is synced: current year − year of first publication + 1)
Representative Publications
View All Publications1 December 2019 in Biochimica et Biophysica Acta (BBA) - General Subjects
Journal Article
Patrícia PereiraMKMalgorzata Korbas
Malgorzata KorbasVitória Pereira
Tiziana Cappello
Maria Maisano
Mário Pacheco +2
1 November 2020 in Aquatic Toxicology
Journal Article
ABAna Catarina Braga
Ana Catarina BragaVitória PereiraRMRaquel Marçal
Raquel Marçal
AMAna Marques
Ana Marques
SGSofia Guilherme
Sofia Guilherme
Mário Pacheco +1
Journal Article
JSJoão A. Silvestre
João A. Silvestre
Sílvia F. S. PiresVitória PereiraMCMiguel Colaço
Miguel ColaçoACAna Pedroso de Lima Costa
Ana Pedroso de Lima Costa
Andreia Rodrigues +5
Microbiological contamination of bivalve molluscs is one of the major concerns inherent to food safety, thus depuration is frequently needed to assure food safety levels associated with their consumption. Salinity plays an important role in the metabolic activity of bivalves and as such can influence their depuration capacity. This study aimed to evaluate the effect of salinity (25, 30, 35 and 40) on the efficiency of the depuration process, along with the quality and shelf-life of Crassostrea gigas. For this, a 24-h depuration was carried out, followed by a storage period at 5 ± 1 °C for six days. Microbiological analyses and biochemical parameters related to oxidative stress response were analysed. Escherichia coli load was reduced in only 24 h, disregarding the salinity of the system. After the shelf-life period, the activity of the antioxidant defences at salinities 35 and 40 is higher but is still not sufficient to avoid lipid peroxidation. Over time, there is a decrease in oyster metabolism probably due to being chilled and to the action of exposure to air. In sum, this study suggests salinities between 25 and 30 as preferential for the depuration process of C. gigas and subsequent quality during shelf-life.
5 December 2019 in Journal of Applied Phycology
Journal Article
AMAna Marques
Ana MarquesRMRaquel Marçal
Raquel Marçal
Vitória PereiraPatrícia Pereira
Cláudia Leopoldina MieiroMário Pacheco +6
1 May 2019 in Comparative Biochemistry and Physiology Part C: Toxicology & Pharmacology
Journal Article
Vitória PereiraAMAna Marques
Ana Marques
Isabel GaivãoARAndreia Rego
Andreia Rego
MAMaria Helena Abreu
Maria Helena AbreuMário Pacheco +3
Journal Article
Vitória PereiraSílvia F. S. PiresAndreia RodriguesPOPearl Ugochi Ofoegbu
Pearl Ugochi OfoegbuBPBem-haja Pedro
Bem-haja PedroMário Pacheco +3
Bivalve mollusks represent a nutritious source with a low environmental impact; as a result, they are one of the most attractive aquaculture options. Advances in microencapsulation technology offer great potential to face key bivalve nutrition problems, and an alga-based microencapsulated diet can turn enriched bivalves into potential functional foods. The central goal of this study was the evaluation of food intake as a function of particle size and microalga content following the supply of four microencapsulated diets, incorporating as core material Nannochloropsis sp. or Tetraselmis sp. in 20 or 40 µm diameter pellets (diets N20, T20, N40, and T40, respectively) in five bivalve species (Magallana gigas, Solen marginatus, Ruditapes decussatus, Ruditapes philippinarum, and Cerastoderma edule). Overall, all tested diets were easily ingested, although food intake was higher for N20 (except for the S. marginatus, which showed a higher rate for the diet T40). Concerning a size-related analysis, C. edule and S. marginatus favored, respectively, smaller and bigger pellet-sized diets, with no signs of selectivity for microalga species. The diet T20 was the lesser ingested, except for C. edule. This knowledge enables a better selection of feed with appropriate and species-adjusted profiles, contributing to the optimization of microencapsulated diets for bivalve rearing and a better final product.
About Me
Vitória Sofia Almeida Santos Pereira has been attending the doctoral program in biology (FCT Grant) at the University of Aveiro since 2019, having completed a master's degree in marine biology in 2016 and a degree in marine sciences in 2014, also at the University of Aveiro. Published five articles as co-author and two articles as the main author in scientific journals. Involved in the research activities of five R&D projects entitled: (1) BioDepura—Development of methodologies for depuration of bivalve molluscs suitable to the physiological requirements of each species; (2) MolBiPack—Improvement of the processes of packaging, transport and packing of bivalve molluscs: from catch to marketing [as a research fellow]; (3) DepurD—Monitoring and decontamination systems for the sustainable exploitation of bivalve molluscs on the Portuguese coast; (4) NanoReproTox—Unraveling the ecological impacts of nanoparticle toxicity in the reproduction of marine organisms; and (5) NutriMo—Development of handmade diets for tilapia nutrition in community-based aquaculture in Mozambique. Works in the area(s) of natural, biological, earth, and environmental sciences, with emphasis on marine biology. Assisted undergraduate and master students in the development of their laboratory activities.