Lillian Barros

Lillian Barros
Instituto Politécnico de Bragança | IPB · Centro de Investigação de Montanha (CIMO)

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836
Publications
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Publications

Publications (836)
Article
The sonoextraction (SE) of aescin saponins and phenolic compounds from the inedible seed kernels of Aesculus hippocastanum was optimized using a central composite rotatable design coupled with response surface methodology, where the joint effects of ultrasonic power, sonication time, and ethanol proportion were investigated. Flavonol glycosides (≥9...
Article
Full-text available
Several scientific studies have been proving the bioactive effects of many aromatic and medicinal plants associated with the presence of a high number of bioactive compounds, namely phenolic compounds. The antioxidant, anti-inflammatory, and antimicrobial capacities of these molecules have aroused high interest in some industrial sectors, including...
Article
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Cichorium spinosum L. is a perennial wild edible plant that is usually found near the coasts of the Mediterranean basin. In the present study, we evaluated the effect of the fertilization regime on the growth and chemical profile of pot-grown C. spinosum plants, as well as the effect of extraction protocol (aqueous and hydroethanolic extracts on bi...
Article
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The use of medicinal plants in a variety of health conditions remains essential for the discovery of new treatments. The present study aimed to investigate the bioactive properties of three native plants from Cabo Verde Islands, namely Artemisia gorgonum Webb, Sideroxylon marginatum (Decne. ex Webb) Cout., and Tamarix senegalensis DC., contributing...
Article
Pressurized liquid extraction with water and ethanol was employed to obtain high antioxidant extracts from olive leaves (Olea europaea L.). The influence of solvent ratio (100–50% v/v water/ethanol), temperature (100–200 °C), and solvent flow rate (1–5 mL min−1) on the extraction process was investigated using a Box-Behnken experimental design. ANO...
Article
Pineapple is a tropical fruit consumed fresh or processed into various food products. However, the peel and crown of this fruit are not industrially exploited, thus generating tons of by-products that represent an economic and environmental concern. In order to promote the upcycling of these by-products, this work aimed to characterize the phenolic...
Article
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Maritime pine (Pinus pinaster Ait.) is native to the western Mediterranean basin and has an economic importance in southwestern Europe. This importance is based on the use of its wood in the construction, furniture, and paper industries. Bark and other parts of the plant, such as resin, needles, and cones, are by-products with potential industrial...
Article
Microwave-assisted extraction (MAE) and Soxhlet extraction (SE) were used to obtain oil from European sea bass (Dicentrarchus labrax) and gilthead sea bream (Sparus aurata) heads. The MAE technique allowed the recovery of more than 50% of the total lipid content for both fish by-products in less than 11 min extraction. Based on their fatty acid com...
Article
Fermented products have been gaining a notable importance in recent years due to the health benefits that they can provide in relation to the initial unfermented food matrix, i.e. in the enhancement of nutrients, effect on glucose metabolism and bioactivity, the presence of probiotics in some foods. The paper gives a current analysis of the ferment...
Article
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Ethnopharmacological relevance: Salvia glutinosa , also known as the glutinous sage, has been used in Romanian folk medicine in the treatment of inflammation, injuries, and mild infections. However, there is no direct scientific evidence to demonstrate these activities. Aim of the Study: The present research was based on evaluating antioxidant, ant...
Article
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Ensuring a sustainable supply of food for the world’s fast growing population is a major challenge in today’s economy, as modern lifestyle and increasing consumer concern with maintaining a balanced and nutritious diet is an important challenge for the agricultural sector worldwide. This market niche for healthier products, especially fruits and ve...
Article
Medicinal and aromatic plants (MAP) have been described as a source of phenolic compounds with potential as antioxidant, antiproliferative and antimicrobial agents. MAP from the Lamiaceae family (Origanum vulgare L., Thymus vulgaris L., Ocimum basilicum L., Salvia officinalis L., Melissa officinalis L., and Matricaria chamomilla L.) were selected t...
Poster
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Since ancient times plants have been used in natural therapies as a remedy against diseases. However, the use of medicinal plants is growing because they have many compounds of great interest with antioxidant, anti-inflammatory, and antimicrobial properties [1]. In particular, Chamaemelum nobile (L) All. belonging to the Asteraceae family is known...
Poster
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The continuous increased resistance of pathogenic microorganisms to antibiotics is a serious public health problem worldwide. In the last decades, numerous studies have been focused on exploring and developing effective natural additives with antimicrobial potential based on natural matrices such as plants and new strategies to prevent this multi-r...
Article
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Background Shallot ( Allium ascalonicum L.) is a traditional plant species used throughout the world both for culinary purposes and as a folk remedy. To date (i.e., April 2022), there is no report on the main pharmacological activities exerted by shallot preparations and/or extracts. Scope and Approach The aim of this study was to comprehensively...
Article
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In the present study, the fluctuations in fatty acids, tocopherols, organic acids, and free sugars content of cardoon blades collected at sixteen harvest dates (samples B1–B16, corresponding to principal growth stages (PGS) between 1 and 9) were evaluated. A total of 26 fatty acids were identified, with palmitic (C16:0, 19.9–40.13%), α-linolenic (C...
Article
Full-text available
The aim of the present study was to evaluate the effects of three biostimulant products (Nomoren (N), Twin Antistress (TW), x-Stress (XS) and control treatment (C: no biostimulants added)) on the nutritional value, chemical composition and bioactive properties of greenhouse tomato fruit grown under full (W+: 100% of field capacity) and deficit irri...
Article
"Económicos" are traditional Portuguese pastry products; although their production is low-cost, their nutritional value is equally low. Since it is a widely consumed product in the Trás-os-Montes region, it is important to add value to it without making significant changes to the traditional recipe. Thus, this work has the main objective to increas...
Article
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In the present study, the chemical profile and bioactive properties of the roots of turnip-rooted parsley (Petroselinum crispum spp. tuberosum) germplasm were evaluated. For this purpose, plants from seventeen parsley cultivars were grown in 6 L pots, and the obtained roots were analyzed in terms of nutritional value, chemical composition (tocopher...
Article
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Traditional farmers’ varieties of tomato grown under extensive farming techniques are considered delicious and healthy foods and are preferred by local consumers. Tomatoes are an important component of a healthy diet, as they provide essential micronutrients, including minerals, which are vital to healthy development, disease prevention, and wellbe...
Article
Full-text available
Pinhão residues have a wide range of bioactive compounds and encapsulation can be one of the alternatives to increase their bioavailability. Thus, this work aimed to apply pinhão extract, pure and encapsulated by solid dispersion, in the formulation of cookies as a bioactive ingredient. For that, pinhão extract was encapsulated in different biopoly...
Article
Full-text available
The production of citrus juice generates a large quantity of by-products, which are often discarded or used for animal feed. However, several studies have shown its richness in valuable compounds, namely organic acids. Thus, this work intended to valorize orange and lime peels as renewable sources of citric acid. An experimental design combining fi...
Article
The aim of this study was to establish a sustainable alternative callus culture of Cereus hildmannianus for the production and bioactive determination of phenolic compounds from this species. The conventional callus was cultivated using agar and Murashige and Skoog (MS) medium, while for the alternative culture the agar was replaced with a cotton s...
Article
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Food color is often associated in the collective imagination to properties like flavor, taste, sensory qualities, and genuinity. While synthetic food dyes may cause several harmful effects to human health, and most of them are not used or allowed in food manufacturing according to the regulations of each country, the origin of food dyes are receivi...
Article
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The flowers of Borago officinalis L. (Boraginaceae), commonly known as borage, are widely used as a culinary ingredient. The aim of this study was to assess the potential benefits of fresh borage flower extract related to antioxidant, neuroprotective and anti-aging properties. The extract was obtained by Soxhlet extraction with ethanol as a solvent...
Preprint
Researchers have concentrated efforts in the search for natural-based reversible inhibitors for cholinesterase enzymes because they may play a key role in the treatment and cure of degenerative diseases like Alzheimer’s Disease. Diverse alkaloids from plants can inhibit the action of acetylcholinesterase enzyme and, among them, berberine is a promi...
Article
Full-text available
In the present work, the effect of the cultivation process, in the field and under a controlled environment, on biochemical parameters by using commercial strains of A. subrufescens were evaluated. The results obtained revealed that the strains cultivated in the field presented higher levels for most of the parameters evaluated (organic acids (20.5...
Article
Background The food industry constantly searches for natural derived bioactive molecules with preventive and therapeutic effects using innovative and sustainable strategies. Fig production and processing generate a considerable amount of by-products (leaves, pulp, peels, seeds, and latex) with limited commercial exploitation and negative impact on...
Article
Full-text available
Condiments and culinary supplements are subjected to long-term storage and may undergo physical, chemical, and biological changes that can influence their quality. Thus, the objective of the present study was to analyze the drying kinetics of rose pepper (Schinus terebinthifolius Raddi) fruits in an oven with forced air circulation at different tem...
Chapter
The Solanaceae family is considered one of the most important families among plant species because, on one hand encompasses many staple food crops of the human diet while, on the other hand, it includes species rich in powerful secondary metabolites that could be valorized in medicine or drug formulation as well as nutraceuticals and food supplemen...
Article
Full-text available
Cardoon (Cynara cardunculus var. altilis) blades were collected at sixteen sampling dates (B1–B16) to study the influence of the phenological growth stage on the phenolic composition and biological properties. Twenty phenolic compounds were identified, among which trans 3,4-O-dicaffeoylquinic acid, 5-O-caffeoylquinic acid, and luteolin-O-hexoside (...
Article
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Lentinus crinitus basidiocarps are an alternative to antimicrobials, but the stipe (24% basidiocarp) is discarded even with potential antimicrobial activity. This study evaluated the antimicrobial activity of L. crinitus basidiocarp pileus and stipe extracts against foodborne pathogens and food spoilage microorganisms. Basidiocarps of L. crinitus w...
Article
In the present study petioles were collected from cultivated cardoon (Cynara cardunculus L. var altilis) plants in central Greece at sixteen harvest dates (samples P1-P16) and nine growth stages (principal growth stages (PGS) 1 – 9). The main objective of this study was to study the influence of petioles’ growth cycle on their chemical composition....
Article
Spirulina (Arthrospira platensis) proteins have been proven to present emulsifying properties. In this work, a Spirulina protein-rich extract obtained by ultrasound extraction (SpE) was tested to stabilize oil-in-water (O/W) emulsions. For this purpose, a sequential experimental design strategy (Fractional Factorial Design (FFD) 2⁴⁻¹ followed by a...
Article
Full-text available
The growing consumers’ concern for possible long-term adverse effects of artificial molecules commonly used in food industry has led to an increased interest in natural products. At the same time, there is a demand for a more eco-sustainable use of natural matrices, which justifies the search for byproducts to be explored in the development of nove...
Article
The plant kingdom is an endless source of molecules that can be applied in almost all realms of society. The food industry has profited from the use of plants and their derived materials for many decades. Recently, the food industry has been looking into plants to find different ways of either preserving, coloring or sweetening foods. In this work,...
Article
Full-text available
The interest in expanding the production of hops outside the traditional cultivation regions, mainly motivated by the growth of the craft brewery business, justifies the intensification of studies into its adaptation to local growing conditions. In this study, four field trials were undertaken on a twenty-year-old hop garden, over periods of up to...
Article
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Food waste is one of the fundamental issues when it comes to environmental impacts, and this type of waste results in the food’s loss itself, but also that of water, energy, fertilizers, and other resources used for its production. Many vegetable parts are removed from the final product before reaching retail (peels, roots, and seeds), and these ra...
Article
Background and objectives From 2017 to 2020, global milk production ranged from 610,724 to 643,769 thousand tons, but the dairy industry still faces issues related to its carbon footprint and sustainability. According to the United Nations Sustainable Development Goals (SDGs), by 2030, food processors, governmental bodies, and consumers should take...
Article
Full-text available
The cosmetic industry is constantly searching for bioactive ingredients, namely, those obtained from natural sources with environmentally friendly connotations and less toxic effects. A previous study of our research group optimized the extraction of phenolic compounds from Juglans regia by heat-assisted extraction. Due to its richness in different...
Preprint
Pressurized liquid extraction with water and ethanol was employed to obtain high antioxidant extracts from olive leaves ( Olea europaea L.). The influence of solvent ratio (100–50% v/v water/ethanol), temperature (100–200°C), and solvent flow rate (1–5 mL min − 1 ) on the extraction process was investigated using a Box-Behnken experimental design....
Poster
Full-text available
Medicinal plants have been traditionally used throughout time as therapeutic treatments. These plants possess different compounds with antioxidant, anti-inflammatory and antimicrobial properties of industrial interest. In particular, the plants Achillea millefolium L., Arnica montana L., Calendula of icinalis L., Chamaemelum nobile L. All. and Tara...
Book
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TRANSCOLAB is a European project that brings together universities, research centres, foundations, and companies from Castilla y León and Northern Portugal. This project intends to strengthen the connection between research institutions and companies, identifying the challenges and needs of the cereal industry and the existing scientific-technologi...
Conference Paper
Full-text available
The world population has been growing and, consequently, so have the nutritional and food needs. The balance between adequate supply and the planet's resources is a subject with increasing attention in the world. The development of new strategies to combat this problem and ensure the population's nutritional needs are urgent and extremely necessary...
Article
Full-text available
Methicillin-resistant S. aureus (MRSA) are a threat to public health as they frequently reveal a multidrug-resistant pattern. Researchers all over the world are on an urgent hunt for new treatments to help fight infections before antibiotics become obsolete, and some natural alternatives, such as polyphenols, have already exhibited therapeutic prop...
Article
Cardoon seeds collected in Greece at four different maturity stages (samples S1 to S4) were analysed in terms of chemical composition and in vitro bioactivities. The content of phenolic compounds (six compounds in total) increased with increasing maturity, and 3,5-O-dicaffeyolquinic (14.8–33.8 mg/g extract) acid was the compound detected in higher...
Article
The efficiency of the microwave-assisted extraction (MAE) technique on recovering nutritional and bioactive oils from salmon (Salmo salar) side streams was evaluated and compared to Soxhlet extraction. The response surface methodology (RSM) coupled with a central composite rotatable design was used to optimize time, microwave power, and solid/liqui...
Article
Full-text available
Natural extracts have been used in several traditional medicine applications and culinary purposes. Their biological properties (antioxidant and antimicrobial) are due to the presence of several active aromatic compounds. Herein, different natural extracts were evaluated, namely structural and thermal characterization and biological activity, in it...
Article
Despite the significant advances in drug development we are witnessing the inability of health systems to combat both neurodegenerative diseases and cancers, especially glioblastoma. Hence, natural products are comprehensively studied in order to provide novel therapeutic options. This study aimed to explore anti-neurodegenerative and anti-glioblas...
Article
Full-text available
An optimized ultrasound-assisted extractive method was developed to obtain a polyphenol-enriched extract from the aerial parts of Thymus comosus Heuff. ex Griseb. et Schenk. Optimization process was conducted based on Design of Experiment (DoE) principles, determining the influence of three independent variables (time, ultrasound amplitude, ethanol...
Article
Full-text available
Pickering emulsions, which are emulsions stabilized by colloidal particles, are being increasingly positioned as novel strategies to develop innovative food product solutions. In this context, the present work aims to develop Pickering emulsions stabilized by natural-based curcumin-loaded particles produced by the solid dispersion technique as prom...
Article
Cytinus hypocistis (L.) L. is a comestible holoparasite with great potential for cosmeceutical application. Although its high tannin content has been associated with its bioactive and inhibitory enzyme properties, this is the first report establishing a relationship between parasite and host (Halimium lasianthum (Lam.) Greuter) phenolic profile and...
Article
Background Secondary metabolism of plants produces molecules that are widely used in the food industry for many years. The demand for these molecules has been increasing, and special focus has been given to volatile molecules. Scope The study of secondary metabolites with special focus on the volatile molecules is overviewed, explaining their bioa...
Article
Full-text available
The application of bioactive extracts from Cichorium intybus L. and Plantago coronopus L. species were incorporated as a functional ingredient in fresh egg pasta (Fettuccine). In that sense, a pasta making procedure was accessed using different concentrations of the plant extracts (0.25-0.63 mg/g), drying times (20-420 min) and drying temperatures...
Article
The potential of R. officinalis L. (RO) extracts as a source of aromas was accessed by hydrodistillation (HD) and supercritical fluid extraction using carbon dioxide (SFE-CO2), followed by a series of analysis: quantification by GC-MS, sensory perception and description, and cytotoxicity against Vero cells. The extracts shown abundancy of α-pinene,...
Article
Rose and nasturtium are common ornamental edible flowers rich in phytochemicals whose application as food is not widely explored. The gastrointestinal environment can modify these compounds, resulting in new combinations with different bioactivity. This study aimed to evaluate the effects of simulated gastrointestinal digestion (SGD) on rose and na...
Article
Full-text available
Humans often respond to sensory impulses provided by aromas, and current trends have generated interest in natural sources of fragrances rather than the commonly used synthetic additives. For the first time, the resulting aroma of a selected culture of Thymus mastichina L. was studied as a potential food ingredient. In this context, dried (DR) and...
Article
Edible mushrooms have been appreciated globally for their organoleptic, nutritional and chemical properties. In the present study, fruiting body of Calocybe gambosa , wild growing in Serbia, has been chemically characterized (content of macronutrients, soluble sugars, tocopherols, fatty and organic acids) and its bioactive (antimicrobial and antiox...
Article
Full-text available
The use of natural colorants is needed to overcome consumer concerns regarding synthetic food colorants′ safety. However, natural pigments have, in general, poor stability against environmental stresses such as temperature, ionic strength, moisture, light, and pH, among others. In this work, water-in-oil-in-water (W1/O/W2) emulsions were used as pr...
Chapter