Luciano Valdemiro Gonzaga

Universidade Federal de Santa Catarina | UFSC · Departamento de Ciência e Tecnologia de Alimentos

Macrophages play an important role during the inflammatory process. These cells can adopt either the pro- or anti-inflammatory phenotypes. While stingless bee honeys have demonstrated evidence of anti-inflammatory potential, their capacity to induce a shift from a pro-inflammatory state to an inflammation-resolution state has not been thoroughly in...

This study investigated the anti-inflammatory effect of hydrophilic and lipophilic extracts from juçara fruits (Euterpe edulis Martius) through measurement of nitric oxide (NOx) and cytokines (IL-12p70, TNF-α, INF-γ, MCP-1, IL-6, and IL-10). J774 macrophages were stimulated with lipopolysaccharides (1 µg/mL) and treated with various concentrations...

This study investigated the variation in mineral elements in bracatinga (Mimosa scabrella Bentham) honeydew honeys produced biannually over three consecutive harvest years. The aim was to assess the relationship between the year of production and the concentration of fourteen rare earth elements and six trace elements analysed using ICP‐MS. The con...

BACKGROUND This study evaluated for the first time the potential of orange passion fruit as a base for alcoholic and acetic fermentations, with a view to assessing its profile of organic acids and polyphenols, in vitro digestion, and biological activities. RESULTS In terms of aliphatic organic acids, malic acid was the majority in the wine (3.19 g...

The comprehensive characterization of floral honeys enables a deeper understanding of their chemical composition and biological potential, which improves the market value of these honeys. This study evaluated in ten Brazilian commercial floral honeys the physicochemical characteristics (moisture, water activity, free acidity, pH, glucose, fructose,...

Beehive products, particularly pollen, are among the foodstuffs that may contain pyrrolizidine alkaloids (PAs), prompting concern due to their negative effects on humans, such as hepatotoxic potential. Based on these aspects, this study represents the first investigation into eight PAs present in samples of bee bread (n = 16) and commercial pollens...

Canudo-de-pito honey (CPH) is produced by Apis mellifera bees using nectar from Escallonia plant species located in Santa Catarina’s plateau mountain region, Brazil. Despite the international recognition of its quality and great potential for market appreciation, the composition and quality of CPH remain unexploited. They could potentially contrib...

Ripening and growing location are important factors that can impact fruit quality characteristics. In this study, the influence of these factors on physicochemical characteristics, carbohydrates, aliphatic organic acids, phenolic compounds, and antioxidant capacity of red guava (Psidium cattleianum Sabine) was evaluated. Fruit ripening increased fr...

Physicochemical characteristics, phenolic, and mineral compounds of bracatinga honeydew honeys (BHH) from the south Brazilian plateau were evaluated, as requested for denomination of origin (DO) certification. Thirty-four samples were analyzed, and ANOVA and principal components analysis were carried out to classify them. Moisture content (<20 %),...

This study characterized “canudo de pito” honeys by melissopalynological analysis, physicochemical characteristics, sugars, minerals, aliphatic organic acids (AOA), phenolic compounds, and antioxidant capacity. Our results indicated the presence of five plant families, especially from Escalloniaceae (Escallonia sp.) with a contribution of 31.0–47.7...

Minerals and aliphatic organic acids (AOA) greatly influence the taste, aroma, pH, fermentation, and beer stability. This study developed a new and fast dual-opposite injection method and analytically validated it to determine minerals and AOA in beer by capillary electrophoresis. Initially, simulations were performed on the PeakMaster® software to...

This study aimed to investigate for the first time fourteen aliphatic organic acids (AOA) in honeys produced by different species of Brazilian stingless bees (Melipona bicolor, Scaptotrigona bipunctata, Melipona quadrifasciata, and Melipona marginata) and characterize them regarding their physicochemical properties. Thirteen AOAwere quantified in t...

In the present study, we evaluated the physicochemical characteristics (color, humidity, soluble solids, free acidity, pH, ash content, carbohydrate content, and 5-HMF) and antioxidant activity (Folin-Ciocalteu reagent and DPPH free radical scavenging) of honey samples produced by different species of Meliponinae subfamily (n = 16) and A. mellifera...

Grumixama (Eugenia brasiliensis Lamarck) is a native fruit of the Atlantic rain forest that belongs to Myrtaceae family. It presents economic potential due to the attractive sensory attributes and bioactive compounds. This study determined physicochemical characteristics, minerals (K, Na, Ca, Mg, Mn), sugars (fructose, glucose, sucrose), total cont...

The anti-inflammatory activity is mainly attributed to the phenolic compounds. Once the geographical location affects the phenolic content of honeys, a relationship between the collection spot and the anti-inflammatory effect of bracatinga (Mimosa scabrella Bentham) honeydew honeys was hypothesized. The inhibitory effect of 14 honey samples on NOx,...

Bracatinga (Mimosa scabrella Bentham) honeydew honey (BHH) is a peculiar Brazilian honey. It is produced only every 2 years, which raises concerns about its quality since it can be submitted to different storage conditions until a new harvest is carried out. Therefore, this study investigated the changes in the visible spectrophotometric profile (V...

Geographic origin discrimination is a topic of interest for both consumers and producers since the honey prices vary accordingly. The aim of the study was to establish the elemental profiling and geographical discrimination of bracatinga (Mimosa scabrella Bentham) honeydew honey samples exclusively produced in three regions in Brazil, i.e., Santa C...

This study was performed with floral honeys from an innovator and pioneer project in Brazil for the digital monitoring of beehives. Samples from six regions of the Santa Catarina state were evaluated for moisture, acidity, pH, electrical conductivity, 5-HMF, diastase activity, fructose, glucose, sucrose, and minerals (K, Ca, Na, Mg, and Mn). Furthe...

This study aimed to evaluate the production of phenolic compounds, antioxidant activity and growth performance of Sarcocornia ambigua exposed to different periods of continuous irrigation in an aquaponics system with Litopenaeus vannamei reared in a biofloc technology (BFT) system, in addition to possible effects on shrimp growth performance, nitro...

Research background. Sorbate and benzoate are important preservatives in food products, but these compounds can also have genotoxic effects, causing health risks to consumers. In this regard, this study aims to determine the mass fractions of sorbate and benzoate in Brazilian samples of mustard, ketchup and tomato sauce using an adequately validate...

This article presents the determination of eight pyrrolizidine alkaloids (PAs) by LC-MS/MS in hon-eys, pollen, and Senecio brasiliensis (Asteraceae) samples, all from Santa Catarina state, Brazil. In addition, the Box-Behnken design was used to perform an optimized sample preparation on pol-lens and S. brasiliensis parts. Senecionine and its N-oxid...

A caracterização de espécies vegetais com potencial apícola presentes em sistemas de produção apícola pode trazer muitas vantagens. Entre os benefícios, destaca-se a definição do local de implantação das colmeias nos agroecossistemas de acordo com a disponibilidade de recursos florais, permitindo aumentar a produtividade e qualidade dos méis e dema...

Stingless bees are native to tropical and subtropical countries, such as Brazil. The wide variety of species, the sources of food collection (nectar and pollen), and the climate conditions strongly affect the chemical composition of the honey, making this a unique product with peculiar characteristics. Stingless bee honey presents higher water cont...

5-Hydroxymethylfurfural (5-HMF) is a compound formed in carbohydrate-containing foods during thermal processing, especially under acidic conditions, and when in high levels it can cause damage to the health of the consumer. In this context, this work aimed to determine 5-HMF using green and validated method by capillary electrophoresis, as well as...

In the past five years, more than 8,000 scientific reports have been published on honey composition and its potential bioactivity as a source of pro-health components. However, the potential effectiveness of nutrients and other compounds in the human body is greatly influenced by the individual digestion conditions. Consequently, changes in the str...

Euterpe fruits have gained prominence over the world due to the high levels of phenolic compounds. Meanwhile, these compounds are affected by ripening, genotypes, extraction, processing, storage, and gastrointestinal digestion. Therefore, in this review, the available data regarding the Euterpe edulis, Euterpe oleracea, and Euterpe precatoria fruit...

Stingless bee honey is a unique product with physicochemical characteristics and distinct antioxidant, antimicrobial, and medicinal properties from Apis mellifera honey. However, it does not fall within most of the limits imposed by current regulations for honey. In this context, this review aimed to demonstrate the diversity of stingless bee honey...

Citrus honey is one of the most important monofloral honeys produced and consumed worldwide. This honey has pleasant sensorial characteristics, which include light color and typical aroma and flavor. Besides that, several constituents such as minerals, phenolic and volatile compounds, amino acids, sugars, enzymes, vitamins, methylglyoxal and organi...

Bracatinga (Mimosa scabrella Bentham) honeydew honey is a Brazilian dark honey in increasing international appreciation. In this sense, the knowledge of its composition and potential biological properties becomes indispensable. In the present study, the physicochemical characteristics, including mineral and phenolic composition, and the scavenging,...

In this study, citric acid, malonic acid, malic acid, fructose, and glucose were detected by a capillary electrophoresis system in seven edible ripening stages of juçara fruits. Citric acid (275.4–500.1 mg 100 g⁻¹) was the dominant aliphatic organic acid (AOA), followed by malonic (184.9–298.4 mg 100 g⁻¹) and malic acids (74.77–93.65 mg 100 g⁻¹). F...

Euterpe edulis Martius species, popularly called juçara palm or “palmiteiro,” is a native to the Atlantic Rainforest biome and found mainly in the Southern and Southeastern Brazilian states. This palm produces globose fruits, which are violaceous purple in color when mature and usually used for pulp or juice production. These fruits and their produ...

Honey traceability is an important topic, especially for honeydew honeys, due to the increased incidence of adulteration. This study aimed to establish specific markers to quantify proteins in honey. A proteomics strategy to identify marker peptides from bracatinga honeydew honey was therefore developed. The proteomics approach was based on initial...

The peculiar period of production (every two years) raises concerns about the influence of storage time on bracatinga (Mimosa scabrella Bentham) honeydew honey (BHH) quality. Therefore, this study investigated the changes in the physicochemical characteristics and content of carbohydrates, amino acids, aliphatic organic acids, minerals, and phenoli...

Honey is a natural ready-to-eat product rich in flavonoids, which is known by the wound healing properties due to both antibacterial and antioxidant activity. Flavonoids mitigate inflammatory processes, and thus it could currently support studies of anti-inflammatory potential of honeys. In this review, in vitro anti-inflammatory properties of flav...

Analysis of physicochemical parameters, phenolic compounds, total reducing capacity, free radical scavenging, and antimicrobial potential was performed in fourteen samples of honey from six different species of stingless bees from Brazil. The results of the physicochemical properties showed high moisture (24.28 ‐ 38.20% w/w), free acidity above 50...

Among the rich Brazilian biodiversity, a wide range of native and exotic fruit species are found. Many of these fruits have high nutritional and bioactive value, being important sources of minerals, phenolic compounds, vitamins, dietary fiber, among others. Also, the prevention of several diseases and disorders have being associated to the action o...

This study aimed to differentiate bracatinga (Mimosa scabrella Bentham) honeydew honey (BHH) from blossom honeys and BHH intentionally adulterated, all of them from three harvests, associating data of aliphatic organic acids (AOA) determined by capillary electrophoresis and chemometric analyses. The profile and concentration of AOA in pure BHH were...

Pyrrolizidine alkaloids (PA) are secondary metabolites of plants, which are mostly found in the genus Senecio, Echium, Crotalaria, and Eupatorium. The presence of 1,2-unsaturated PA in foods is a concern to food regulators around the world because these compounds have been associated to acute and chronic toxicity, mainly in the liver. The intake fo...

The anti-inflammatory effect of bracatinga (Mimosa scabrella Bentham) honeydew honeys was evaluated by considering the modulation of inflammatory mediators in LPS-stimulated RAW 264.7 macrophages. Both tested bracatinga honeydew honey samples (BHH1 and BHH2) reduced the nitric oxide secretion as well as the in-flammatory mediators: tumor necrosis f...

Different storage conditions (22 and 40 °C for 90 days) were used in thermally processed stingless bee honey (90 °C), seeking to evaluate their effect on the physicochemical properties (moisture, acidity, 5-hydroxymethylfurfural, and diastase activity) and bioactive (antioxidant potential and individual phenolic compounds). In addition, a commercia...

The aim of this study was to monitor Apis mellifera L. honey samples from Santa Catarina State, Brazil, during prolonged storage (450 days/20 ± 4 °C), regarding physicochemical parameters (moisture, electrical conductivity, pH, acidity, color, dystasic activity, 5-HMF and sugars), phenolic compounds, reducing capacity (Folin-Ciocalteu reducing capa...

Honeydew honeys, including bracatinga (Mimosa scabrella Bentham) honeydew honey, are highly appreciated due to its nutritional and sensory properties. Therefore, fast and inexpensive methods must be developed to differentiate this distinct class of honey. Although methods using the visible spectrophotometric fingerprint (VSF) have never been used t...

Scientific observations state that stingless bee honey (Meliponinae) contains a high moisture content (>20% w/w), which contributes to the accelerated fermentation and degradation of this honey. As a strategy to minimize this problem, the use of a thermal treatment may be an option. Therefore, the present study aimed to apply in Tetragonisca angust...

The aim of this study was to evaluate the quality of fifty Apis mellifera L. honey samples from southern Brazil in terms of the physicochemical composition, color characteristics, phenolic content, flavanol content, and antioxidant capacity. All of the physicochemical characteristics (moisture, free acidity, pH, sugars, 5-hydroxymethylfurfural, and...

Yellow guava (Psidium cattleianum Sabine) has received considerable attention in the last years because of their high content in bioactive compounds with potential application in food and pharmaceutical industries. In this regard, this study aimed to investigate the phenolic compounds of three edible ripening stages of yellow guava fruits after aci...

The dataset showed in this manuscript belongs to the investigation of the Southern-Brazilian geopropolis of stingless bees. Stingless bees are native species of insects from tropical areas; they produce honey, pollen and geopropolis that is composed of a mix of vegetal extracts, digestive enzymes, and mostly by soil. Used in folk medicine as antise...

O livro PERSPECTIVAS DAS CIÊNCIAS AGRÁRIAS NA SOCIEDADE 5.0: EDUCAÇÃO, CIÊNCIA, TECNOLOGIA E AMOR é resultado do concurso de melhores trabalhos publicados no V Congresso Internacional das Ciências Agrárias – V COINTER PDVAgro, realizado entre os dias 02 e 05 de dezembro de 2020, de forma online. O evento é promovido pelo Instituto Internacional Des...

This study aimed to evaluate the relationship between salinity in the performance of marine shrimp Litopenaeus vannamei and halophyte plant Sarcocornia ambigua in an aquaponic system with biofloc. The experiment was conducted for 57 days, and four treatments were evaluated: 8 psu (practical salinity unity), 16 psu, 24 psu, and 32 psu, with three re...

The aim of the study was to identify, via headspace solid phase microextraction and gas chromatography–mass spectrometry, volatile compounds in eight no processing Apis mellifera L. honey samples produced in the state of Santa Catarina, Brazil, and monitor their stability over 540 days of storage at 20 ± 4 °C, searching for possible degradation ind...

The objective of this study was to investigate and quantify the composition phenolic, reducing capacity, the free radical scavenging activity, as well as, the anti-inflammatory effect evaluated against lipopolysaccharides-stimulated RAW264.7 macrophages through modulation of inflammatory mediators, in eight stingless bee honey types (Meliponinae) f...

Geopropolis is a stingless bee product compose mainly by soil, presenting complex composition geopropolis has bioactive compounds that will depend on geographical characteristics as well bee species, changing their chemical and biological properties. Thus the study aims to evaluate the solubility and chemical stability of geopropolis extracts, thro...

On‐board Brazilian sardinella (Sardinella brasiliensis) conservation system based on cooling in ice, but in recent years, fishing boats have been applying immersion in chilled brine as a storage system on‐board. This study evaluated this system concerning physicochemical quality (total volatile bases, pH, histamine, moisture) of the fish and cation...

The berries of the genus Rubus has been highlighted as important source of bioactive and health promoting constituents, however, information about chemical composition and antioxidant potential of the specie Rubus ulmifolius are still scarce. In this regard, this study aimed to assess the physicochemical characteristics, total monomeric anthocyanin...

Sample preparation of honey for analysis of minor components as phenolic compounds is challenging, mainly due to the high sugar content. In this regard, a fast, simple and solvent saving method for extraction of phenolic compounds in Mimosa scabrella Bentham honeydew honeys was proposed. The method was based on QuEChERS, and the extraction, salting...

Aliphatic organic acids (AOA) make a strong contribution to flavor, taste, acidity, pH and electrical conductivity. In this paper, a new and fast capillary electrophoresis method was developed and validated to determine 14 AOA simultaneously in bracatinga (Mimosa scabrella Bentham) honeydew honey and floral honey. Separation of fourteen compounds o...

Honeydew honey has differentiated chemical and physicochemical characteristics besides potential functional properties such as antimicrobial, anti-inflammatory and antioxidant. In this sense, the interest and consumption of this honey as a functional product by the food industry and consumers have increased. Honeydew honeys usually present dark col...

The effects of the short‐term thermal processes applied to stingless bee honey were evaluated, which included the physicochemical characteristics (moisture, free acidity, pH, 5‐hydroxymethylfurfural, diastase activity, electrical conductivity, soluble solids, fructose, glucose, and sucrose) phenolic compounds content, antioxidant activity, and micr...

The present study aimed to differentiate Mimosa scabrella Bentham (bracatinga) honeydew honeys from blossom honeys, with and without addition of heat treatment, and bracatinga honeydew honeys adulterated with blossom honeys (5, 15 and 25% of blossom honeys), using chromatic characterization associated with chemometric analysis. Bracatinga honeydew...

The present study aimed to investigate, for the first time, the presence of free amino acids in stingless bee (Meliponinae) honey samples from nine species, using high-performance liquid chromatography coupled to fluorescence (HPLC/FLD) and HPLC coupled to mass spectrometry (HPLC/MS-single quadrupole) detectors. Seventeen free amino acids were inve...

Os frutos de acerola são reconhecidos principalmente por sua composição rica em vitamina C, no entanto, estes frutos apresentam outros compostos fitoquímicos responsáveis pela sua capacidade antioxidante, entre eles os compostos fenólicos. Neste sentido, este trabalho objetivou investigar compostos fenólicos por cromatografia líquida acoplada à esp...

This study investigated the neuroprotective effect of juçara fruit extracts against glutamate-induced oxytosis in HT22 cells. Potential relationships between the extracts' polyphenolic composition and their protective/antioxidant capacities were also investigated. Experiments with the addition of either the crude methanolic extract or hexane, dichl...

The aim of this study was to investigate the free individual phenolics and the in vitro antioxidant capacity of blackberry, acerola, yellow guava, guabiju, jambolan and jabuticaba fruits in two edible stages. Of the thirty-three phenolics investigated by liquid chromatography - tandem mass spectrometry (LC-MS/MS), twenty-five were quantified and th...

Oxidative stress (OS) is associated with increased morbidity and mortality in hemodialysis (HD) patients, and the consumption of fruits seems to improve OS due to their antioxidant properties. Therefore, we hypothesized that Fuji apple intake improves OS markers in HD patients due to its polyphenolic compounds without increasing serum potassium lev...

Honeydew honeys have been under-evaluated about their major phenolic compounds, especially Mimosa scabrella Bentham (bracatinga) honeydew honey. In this work, a fast and robust chromatographic method was optimized for simultaneous separation and quantification by HPLC/DAD of 18 phenolic compounds detected in bracatinga honeydew honey. A simplex-cen...

Due to the increasing demand and interest of the consumers of bracatinga honeydew honey, it becomes important to know its characteristics in order to guarantee the quality of this dark honey. It is also necessary to investigate possible parameters that easily determine their differentiation from other honeys, thus guaranteeing their authenticity. T...

The increasing demand for honeydew honeys by consumers has raised concerns regarding the authenticity of this product. Therefore, the aim of this study was to develop a classification model (Classification and Regression Tree) to differentiate Mimosa scabrella Bentham (bracatinga) honeydew honeys from blossom honeys. The model was then used to veri...