Miguel A. Prieto

University of Vigo | UVIGO · Department of Analytical and Food Chemistry

In systems with several effectors, the results of dose-response (DR) experiments are usually assessed by checking them against two hypotheses: independent action (IA) and concentration addition (CA). Both are useful simplifications, but do not represent the only possible responses, and avoid to a large extent the analysis of the interactions that a...

The oxidant action implies interfering in an autocatalytic process in which no less than five chemical species are present (oxygen, oxidizable substrate, radicals, antioxidants and oxidation products) furthermore, reactions of first and second order can take place and interactions can occur at several levels of the process. The common and incorrect...

Macroalgae have been recently used for different applications in the food, cosmetic and pharmaceutical industry since they do not compete for land and freshwater against other resources. Moreover, they have been highlighted as a potential source of bioactive compounds. Red algae (Rhodophyta) are the largest group of seaweeds, including around 6000...

Biofunctionalities of bioactive peptides (BAPs) are sequences of 3 to 40 amino acid residues in length. These proteins, which have similar properties to those of endogenous peptide hormones, are derived from parental polypeptide sequences through controlled and specific proteolytic cleavages. In the first half of the 20 th century, BAPs fundamental...

https://sciforum.net/paper/view/21078

The demand for animal protein is escalating, doubling meat production between 1988 and 2018, and it is projected to peak at 570 million tons by 2050. Worldwide, meat and dairy production uses 83% of agricultural soil and causes 60% of the greenhouse gas emissions from farming, while providing only 18% of calories and 37% of protein. Such a level of...

Rice-fish culture, an ancient agronomic practice, integrates aquaculture with rice farming, a sustainable solution for enhancing food security and agricultural productivity. The recent advancements and historical perspectives on rice-fish culture have further its ecological, economic, and social impacts. The practice, which spans over 2,000 years,...

Ensuring a sufficient food supply while preserving ecosystem health is crucial for researchers and agricultural stakeholders. Agroecology offers a framework for developing biodiverse agroecosystems that sustain their functionality. This study investigates how agroecological practices such as crop diversification, agroforestry, and intercropping can...

In a context where macroalgae are highly valued for their versatility across multiple industries, harnessing these resources to develop sustainable products for crop protection is key. Different crops in Europe are susceptible to bacterial and fungal pathogens that can significantly impact crop health and productivity, including mildew, powdery mil...

The implementation of advanced technologies in agriculture is fundamental for ensuring food security while protecting environmental health. This systematic research explores how the Internet of Things (IoT) and sensor networks are revolutionizing agricultural practices to sustainably feed a growing global population over the long run. We focus on p...

The physicochemical and microbiological properties of traditional Portuguese ready-to-eat dry fermented sausage chouriça de carne samples from 14 regional producers were analysed and subjected to multivariate analysis to determine the relationships between them and to evaluate how the quality and safety of these sausages is affected by these proper...

Bromophenols, which belong to the family of phenolic compounds, are halogenated secondary metabolites characterized by the incorporation of bromine atoms into the phenol ring structure, resulting in unique chemical properties. These compounds, synthesized as secondary metabolites by algae, exhibit different isomeric forms due to bromine substitutio...

Microplastics (MPs) are pervasive in aquatic environments and have been identified as potential vectors for human heavy metal exposure. The mechanisms underlying this interaction have become a growing concern, as MPs can adsorb heavy metals, facilitating their entry into the food chain and eventually impacting human health. Several studies have exp...

The present study aimed to optimize the extraction conditions (time, temperature, and ethanol concentration) of pressurized-liquid and microwave-assisted extraction (PLE and MAE, respectively) to maximize the recovery of phenolic compounds from Arnica montana flowers. To this aim, response surface methodology (RSM) with an experimental design was a...

Culinary herbs have been used for their flavoring and aroma properties. However, their health-related properties as a source of bioactive molecules are reported. Because of harvesting and mode of production, they may contain a diverse microflora. Occasionally pathogens are detected, which may pose a risk to public health, especially when herbs are...

This poster explores the development of plant-based fish alternatives, emphasizing the critical need for sustainable solutions due to the depletion of wild fish stocks, projected to face potential extinction by 2048. It reviews advancements in replicating fish flavors and textures using seaweed, algae, yeast extracts, and fermentation techniques, a...

Algae, despite being labeled as an underexplored biological source of chemical constituents, remain inadequately studied in terms of their metabolism. Metabolomics has emerged as a high-throughput technology to investigate the full metabolic profile of samples that could aid in the understanding and characterization of algae. By delving into their...

A interação entre o mercúrio e o selénio no corpo humano é complexa e crucial, influenciando os resultados de saúde. O mercúrio, particularmente nas suas formas inorgânica (Hg2+) e metilmercúrio (MeHg), representa riscos toxicológicos significativos ao afetar várias selenoenzimas e selenoproteínas, essenciais para a manutenção do equilíbrio redox c...

Today, energy drinks (EDs) have become popular consumables, second only to bottled water as the fastest growing products in the beverage industry. Children consume them for breakfast before school, athletes use them to improve physical performance and sports achievement, and adults rely on them to help them perform at work or home and to enhance th...

Blockchain technology, with its unique features, holds significant potential beyond cryptocurrencies, particularly in the food supply chain and international trade. As a disintermediation technology, Blockchain enables unknown and mutually untrusted parties to create secure and reliable records of events. The inherent complexity of supply chains ma...

Kiwifruit (Actinidia spp.), and particularly yellow or golden kiwifruit (Actinidia chinensis), has gained worldwide popularity due to its excellent taste and high vitamin C content. However, its commercialization generates a considerable amount of waste, mainly in the form of peels and bagasse, which poses a significant environmental challenge. Thi...

Verbascum sinuatum is a plant belonging to the Scrophulariaceae family that has been used in traditional medicine to treat several diseases due to its biological properties (against hemorrhoids, diarrhea, liver inflammation, ulcer inflammation, teeth pain, gumboil, hoarse, tonsillitis, cold, cough, asthma, bronchitis, rheumatism, eczema, wounds, co...

Macroalgae are known as abundant sources of phytochemicals, which offer a plethora of beneficial biological properties. Besides being the most notable classes of compounds found in macroalgae, phlorotannins, bromophenols, and terpenoids comprise some of the most relevant for their biological properties. Phlorotannins, mainly prevalent in brown alga...

Depression and anxiety are common conditions that greatly hinder daily functioning and aggravate chronic diseases. Recent studies suggest that dietary changes can enhance mood and quality of life without relying on pharmacological therapies. Research indicates that individuals who consume whole foods experience fewer depressive symptoms, and vegeta...

Citrus fruits are widely grown, processed, and distributed in more than 140 countries, with annual global production exceeding 124.3 million metric tons. This substantial consumption generates significant organic waste, accounting for approximately 50–60% of the total fruit mass, primarily in the form of peel, pulp, and seeds. Often discarded or re...

The changes in the production and consumption system require sustainable approaches. The use of macroalgae is proposed as a strategy for more sustainable food systems. The exploration of brown algae has shown significant growth due to their natural substances with a wide range of bioactive properties, which makes them excellent options for the extr...

Citrus aurantium L., commonly known as bitter orange, is a versatile medicinal plant well-known for its diverse therapeutic properties, including anti-inflammatory, antioxidant, and antimicrobial effects. These benefits are attributed to its rich phytochemical profile, especially its diverse array of secondary metabolites. Strong correlations betwe...

Contamination or pollution of our environment has become a real global concern, especially in parallel with the increasing evolution of urbanization and industrialization, which in turn have released a plethora of different pollutants that end up being deposited in soils. It is crucial to investigate solutions that can minimize the extent of damage...

In recent years, consumers have been increasingly interested in natural, healthier, functional foods, with a focus on sea-based products such as algae. Bifurcaria bifurcata (BB) is a macroalga that belongs to the Phaeophyceae class. These brown algae are recognized as the source of bioactive molecules of great interest to the pharmaceutical and nut...

Inadequate levels of monounsaturated (MUFA) and polyunsaturated (PUFA) fatty acids have been reported as a risk factor for neurodegenerative diseases, including Alzheimer’s disease. Avocado oil (Persea americana Mill., Laucaceae) represents a source of bioactive compounds with a relative abundance of omega-3, omega-6 polyunsaturated, and omega-9 mo...

Marine biodiversity has acquired greater significance across the world, and it is increasingly being utilized as a source of natural products. Considering that marine resources comprise a wide range of intriguing antioxidant molecules and other appealing biotechnological compounds, they are drawing the interest of industry sectors such as foods, ph...

This study aimed to optimize phenolic compound extraction from Arnica montana (AM) L. flowers, comparing heat- and ultrasound-assisted extraction (HAE and UAE) through a multivariate approach. Critical parameters, including time, temperature or ultrasonic power, and ethanol concentration, were evaluated through a circumscribed central composite des...

Sargassum muticum (SM) poses a serious environmental issue since it is a fast-expanding invasive species occupying key areas of the European shoreline, disrupting the autochthonous algae species, and disturbing the ecosystem. This problem has concerned the general population and the scientific community. Nevertheless, as macroalgae are recognized a...

Citation: Pereira, A.G.; Fraga-Corral, M.; Silva, A.; Barroso, M.F.; Grosso, C.; Carpena, M.; Garcia-Perez, P.; Perez-Gregorio, R.; Cassani, L.; Simal-Gandara, J.; et al. Unraveling the Bioactive Potential of Camellia.es (A.G.P.); mprieto@uvigo.es (M.A.P.) † These authors contributed equally to this work. Abstract: In recent years, the search for n...

Global population growth and intensive agriculture have both contributed negatively to the environment. As a result, there is increasing interest in the use of sustainable alternatives is increasing to promote better use of natural resources and create an equilibrium between agriculture and the environment. Intercropping, the simultaneous cultivati...

Algae are considered a valuable and varied source of natural compounds and ingredients which presence is highly demanded in the market by consumers. Algae have attracted the attention of industrial sectors for their cost-effective and sustainable production. They are photosynthetic organisms capable of sequestering huge amounts of CO2 from the atmo...

Introduction: The increasing global interest in herbs and spices necessitates a thorough examination of the chemical hazards associated with their consumption. The European Rapid Alert System for Food and Feed (RASFF) has shown 1133 notifications for spices and herbs in the last ten years (2013-2023). Purpose: This work was aimed at identifying the...

The present study aimed at characterizing the phenolic composition of the aqueous extract from Anabasis articulata and its biological properties, in terms of in vitro antioxidant, enzyme inhibitory, and in vivo anti-inflammatory effects. The phytocomplex was investigated by HPLC-DAD analysis, whereas total phenolics, tannins and flavonoids using sp...

Introduction: Eating disorders (EDs) have evolved into severe, complex, and life-threatening conditions, impacting individuals of all ages and inflicting significant physical and psychological repercussions. These disorders, including binge eating, restrictive eating, compulsive eating, irregular eating patterns, anorexia, bulimia, and orthorexia n...

The poster titled "Recent Developments in the Removal of Heavy Metals in Water and Wastewater" discusses the latest advancements and innovative approaches in removing heavy metals from contaminated water sources.

The Lamiaceae family, which includes several well-known aromatic plants, is scientifically relevant due to its essential oils (EOs). In this work, four EOs from Mediterranean species, namely Origanum vulgare L., Rosmarinus officinalis L., Salvia officinalis L., and Thymus vulgaris L., were evaluated for their volatile profiles and the biological ac...

This study represents the first comprehensive investigation into the phenolic profiles and biological properties of whole Hypericum japonicum and Hypericum sampsonii, two medicinal plant species within the genus Hypericum, revealing distinct chemical and bioactive properties of their extracts. Phenolic compounds, plant secondary metabolites widely...

The increasing evolution of urbanization and industrialization have released a plethora of different pollutants that end up being deposited in soils. Therefore, it is crucial to investigate cost-effective, feasible and environmentally friendly solutions to minimize the damage. Bioremediation is a safe technique that has demonstrated satisfactory re...

While the market is full of different dietary supplements, in most countries, legislation is clear and strict towards these products, with severe limitations on their health claims. Overall, the claims cannot go beyond the consumption of a said supplement will contribute to a healthy diet. Thus, the supplement industry has been reacting and changin...

Current food safety techniques and equipment are struggling to meet the evolving demands of the food industry. Traditional practices rely on reactive measures, leading to delays in monitoring, early warnings, and risk assessments, thereby impeding their effectiveness in risk mitigation. The integration of nanotechnology and biosensors into food sen...

Abstract: Duckweed (Lemna minor L.) is a small floating aquatic plant that has an important economic impact in several industrial areas. With its high biomass production, reasonable protein content, and resilience to several climates, it has been attracting increasing interest for potential use in animal and human food systems. Historically consume...

Cistus ladanifer L., Acacia dealbata L., and Aloysia citrodora Paláu were subject to an optimization procedure for two extraction techniques (heat-assisted extraction (HAE) and ultrasound-assisted extraction (UAE)). The extracts were then analyzed by HPLC-DAD-ESI/MS for their phenolic profile (cistus—15 compounds, acacia—21 compounds, and lemon ver...

The poster provides an in-depth examination of the interactions between selenium (Se) and methylmercury (MeHg) in the human body, with a particular focus on the neurotoxic effects of MeHg and the protective role of Se. It presents various studies that highlight how Se can mitigate the toxic effects of MeHg, especially through the formation of Hg-Se...

Bromophenols, which belong to the family of phenolic compounds, are halogenated secondary metabolites characterized by the incorporation of bromine atoms into the phenol ring structure, resulting in unique chemical properties. These compounds, synthesized as secondary metabolites by algae, exhibit different isomeric forms due to bromine substitutio...

Consumers are increasingly interested in food products with high nutritional value and health benefits. For instance, fish consumption is linked with diverse positive health benefits and the prevention of certain widespread disorders, such as obesity, metabolic syndrome, or cardiovascular diseases. These benefits have been attributed to its excelle...

Health-promoting foods have become increasingly popular due to intensified consumer interest and awareness of illnesses. There is a global market for apple fruits, which are affordable, nutritious, tasty, and produced in large quantities for direct consumption as well as food processing to make derived products. The food matrix of apples is suitabl...

Over the years, foodborne pathogens have caused countess health problems and massive financial losses. Therefore, an essential goal for the food industry is to prevent food contamination and the related foodborne illnesses as microbial contamination of food items during their acquiring and distribution processes is still a hygienic issue. Moreover,...

Macroalgae are sustainable and natural sources of proteins, their content may reach values up to 40% of their total weight. Besides, they are especially attractive for their rich and abundant amount of essential amino acids with proportions of 30%–40% which are comparable to other terrestrial organisms, such as legumes. Hence, protein from macroalg...