José Otávio Carréra Silva Júnior
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Optimization of <i>Pickering</i> Emulsions Containing Andiroba Oil ( <i>Carapa guianensis</i> Aubl): Physicochemical Characterization, Experimental Approach, and Rheological Behavior for Topical Use Open
Amazonian vegetable oils, due to their medicinal properties, have become essential raw materials in the development of pharmaceutical and cosmetic products, with andiroba oil (Carapa guianensis Aubl.) standing out. Classical emulsions, whi…
View article: Quantification of Caffeic Acid as Well as Antioxidant and Cytotoxic Activities of Ucuuba (Virola surinamensis) Co-Product Extract to Obtain New Functional and Nutraceutical Foods
Quantification of Caffeic Acid as Well as Antioxidant and Cytotoxic Activities of Ucuuba (Virola surinamensis) Co-Product Extract to Obtain New Functional and Nutraceutical Foods Open
Ucuuba (Virola surinamensis) is a fruit of Amazonian origin with anti-inflammatory, nutritional, and phenolic substances. This study aimed to prepare and characterize the ucuuba co-product extract as well as to evaluate its antioxidant and…
View article: Functionality of lipid extracts obtained by green extraction from red pupunha (Bactris gasipaes Kunt)
Functionality of lipid extracts obtained by green extraction from red pupunha (Bactris gasipaes Kunt) Open
The focus on diversity in the Amazon forest is related to fruits and oilseeds that have diverse nutritional and functional values in their composition and contribute to human health. Therefore, this research aims to study the functional co…
View article: Hydrogel Containing Propolis: Physical Characterization and Evaluation of Biological Activities for Potential Use in the Treatment of Skin Lesions
Hydrogel Containing Propolis: Physical Characterization and Evaluation of Biological Activities for Potential Use in the Treatment of Skin Lesions Open
Background: Skin injury affects the integrity of the skin structure and induces the wound healing process, which is defined by a well-coordinated series of cellular and molecular reactions that aim to recover or replace the injured tissue.…
View article: Acai Oil-Based Organogel Containing Hyaluronic Acid for Topical Cosmetic: In Vitro and Ex Vivo Assessment
Acai Oil-Based Organogel Containing Hyaluronic Acid for Topical Cosmetic: In Vitro and Ex Vivo Assessment Open
Organogels are semi-solid pharmaceutical forms whose dispersing phase is an organic liquid, for example, an oil, such as acai oil, immobilized by a three-dimensional network formed by the gelling agent. Organogels are being highlighted as …
View article: Characterization and Stability Study of a Fluoride Toothpaste with Organic Abrasive from Acai (Euterpe oleracea Mart.) Seeds for Oral Hygiene Use
Characterization and Stability Study of a Fluoride Toothpaste with Organic Abrasive from Acai (Euterpe oleracea Mart.) Seeds for Oral Hygiene Use Open
Açai is a fruit common in the northern region of Brazil, and its consumption is primarily focused on culinary uses, resulting in the disposal of its seeds and contributing to environmental pollution. In this context, the objective of this …
View article: Characterization and Evaluation of the Cytotoxicity of Pregabalin Gels for Oral Application
Characterization and Evaluation of the Cytotoxicity of Pregabalin Gels for Oral Application Open
The efficacy of pregabalin in pain treatment has led to the search for new formulations for its use through different routes of administration. This study aimed to prepare, characterize, and evaluate the cytotoxicity of pregabalin (PG) gel…
View article: Desenvolvimento e avaliação de estabilidade preliminar de sérum com extratos de <i>Aloe vera</i> e <i>Matricaria chamomilla</i>
Desenvolvimento e avaliação de estabilidade preliminar de sérum com extratos de <i>Aloe vera</i> e <i>Matricaria chamomilla</i> Open
The use of phytocosmetics has been increasing in the beauty industry, in various treatments such as anti-aging, whitening and anti-acne. Serum is a pharmaceutical form similar to a gel, with greater fluidity, as well as soothing and anti-i…
View article: Physicochemical and Nutritional Properties of Vegetable Oils from Brazil Diversity and Their Applications in the Food Industry
Physicochemical and Nutritional Properties of Vegetable Oils from Brazil Diversity and Their Applications in the Food Industry Open
In this study, the oils of açaí, passion fruit, pequi, and guava were submitted to physicochemical analysis to investigate their potential application in the food industry. Gas chromatography associated with mass spectroscopy showed that o…
View article: Co-Product of Pracaxi Seeds: Quantification of Epicatechin by HPLC-DAD and Microencapsulation of the Extract by Spray Drying
Co-Product of Pracaxi Seeds: Quantification of Epicatechin by HPLC-DAD and Microencapsulation of the Extract by Spray Drying Open
In the industrial processing of fruits, co-products are generated, which are often not used. The pracaxi co-product, obtained by cold pressing its seeds, contains phenolic compounds with antioxidant activity, which in this work were extrac…
View article: Characterization, Biocompatibility and Antioxidant Activity of Hydrogels Containing Propolis Extract as an Alternative Treatment in Wound Healing
Characterization, Biocompatibility and Antioxidant Activity of Hydrogels Containing Propolis Extract as an Alternative Treatment in Wound Healing Open
Hydrogels consist of a network of highly porous polymeric chains with the potential for use as a wound dressing. Propolis is a natural product with several biological properties including anti-inflammatory, antibacterial and antioxidant ac…
View article: Tablets containing açaí (Euterpe spp.) dried extract for dietary supplementation: A study of functional properties
Tablets containing açaí (Euterpe spp.) dried extract for dietary supplementation: A study of functional properties Open
Açaí is a very popular functional food in the Amazon due to its nutritional properties, its high caloric value, and its high content of anthocyanins and phenolic compounds, which mainly confers antioxidant and anti-inflammatory activities.…
View article: Spray-Drying Microencapsulation of Bauhinia ungulata L. var. obtusifolia Aqueous Extract Containing Phenolic Compounds: A Comparative Study Using Different Wall Materials
Spray-Drying Microencapsulation of Bauhinia ungulata L. var. obtusifolia Aqueous Extract Containing Phenolic Compounds: A Comparative Study Using Different Wall Materials Open
Species belonging to the Bauhinia genus, usually known as “pata-de-vaca”, are popularly used to treat diabetes. Bauhinia ungulata var. obtusifolia (Ducke) Vaz is among them, of which the leaves are used as a tea for medicinal purposes in t…
View article: Preliminary Study on the Chemical and Biological Properties of Propolis Extract from Stingless Bees from the Northern Region of Brazil
Preliminary Study on the Chemical and Biological Properties of Propolis Extract from Stingless Bees from the Northern Region of Brazil Open
Natural products are historically regarded as the main sources of bioactive compounds to fight the most diverse diseases; among them, propolis deserves to be highlighted due to several biological activities, such as antioxidant, anti-infla…
View article: Spray-Drying Microencapsulation of Phenolic Compounds from <em>Bauhinia ungulata</em> L. Var. Obtusifolia Aqueous Extract: A Comparative Study Using Different Wall Materials
Spray-Drying Microencapsulation of Phenolic Compounds from <em>Bauhinia ungulata</em> L. Var. Obtusifolia Aqueous Extract: A Comparative Study Using Different Wall Materials Open
Species belonging to the Bauhinia genus, usually known as "pata-de-vaca", are popularly used to treat diabetes. Among them is Bauhinia ungulata var. obtusifolia (Ducke) Vaz, whose leaves are used, as a tea, for medicinal purposes in the Am…
View article: Nutritional and Technological Properties of Albino Peach Palm (Bactris gasipaes) from the Amazon: Influence of Cooking and Drying
Nutritional and Technological Properties of Albino Peach Palm (Bactris gasipaes) from the Amazon: Influence of Cooking and Drying Open
This study aimed to subject the albino peach palm to cooking and drying processes and characterize the raw pulp (RP), cooked pulp (CP), raw pulp flour (RPF), and cooked pulp flour (CPF). The product’s chemical composition, bioactive compou…
View article: Novel Organogels from Mauritia flexuosa L.f and Caryodendron orinocense Karst.: A Topical Alternative
Novel Organogels from Mauritia flexuosa L.f and Caryodendron orinocense Karst.: A Topical Alternative Open
Organogels have importance for topical applications because they can be used to deliver drugs in a controlled and prolonged fashion. These are materials consisting of a three-dimensional network of organic molecules dispersed in a solvent.…
View article: Fatty acid profile and rheological behavior of annatto seed oil (Bixa orellana), cupuassu seed fat (Theobroma grandiflorum), and their blends
Fatty acid profile and rheological behavior of annatto seed oil (Bixa orellana), cupuassu seed fat (Theobroma grandiflorum), and their blends Open
Annatto seed oil (ASO) and cupuassu seed fat (CSF) were combined at the ratios: 30:70, 50:50, and 70:30 (% w/w). Their fatty acid profile, nutritional quality, FTIR (Fourier Transform Infrared) spectra, and rheological behavior were evalua…
View article: Pentaclethra macroloba: A Review of the Biological, Pharmacological, Phytochemical, Cosmetic, Nutritional and Biofuel Potential of this Amazonian Plant
Pentaclethra macroloba: A Review of the Biological, Pharmacological, Phytochemical, Cosmetic, Nutritional and Biofuel Potential of this Amazonian Plant Open
Pracaxi (Penthaclethra macroloba (Willd.) Kuntze) is an Amazonian plant, traditionally used by the native population to treat health disorders such as inflammation, erysipelas, wound healing, muscle pain, ear pain, diarrhea, snake and inse…
View article: Polyacrylamide Hydrogel Containing Calendula Extract as a Wound Healing Bandage: In Vivo Test
Polyacrylamide Hydrogel Containing Calendula Extract as a Wound Healing Bandage: In Vivo Test Open
Hydrogel is a biomaterial widely used in several areas of industry due to its great biocompatibility and adaptability to biological tissues. In Brazil, the Calendula plant is approved by the Ministry of Health as a medicinal herb. It was c…
View article: Organogel of Acai Oil in Cosmetics: Microstructure, Stability, Rheology and Mechanical Properties
Organogel of Acai Oil in Cosmetics: Microstructure, Stability, Rheology and Mechanical Properties Open
Organogel (OG) is a semi-solid material composed of gelling molecules organized in the presence of an appropriate organic solvent, through physical or chemical interactions, in a continuous net. This investigation aimed at preparing and ch…
View article: Synthesis and Evaluation of the Preliminary Stability of White Clays Containing Açaí (Euterpe oleracea) and Acerola (Malpighia emarginata) Powder for Topical use
Synthesis and Evaluation of the Preliminary Stability of White Clays Containing Açaí (Euterpe oleracea) and Acerola (Malpighia emarginata) Powder for Topical use Open
Clays are used in cosmetology because they have moisturizing, rejuvenating and antioxidant properties. Such characteristics are enhanced with the combination of actives, such as açaí powder, rich in antioxidant activities, and acerola powd…
View article: Evaluation of Genotoxicity and Toxicity of Annona muricata L. Seeds and In Silico Studies
Evaluation of Genotoxicity and Toxicity of Annona muricata L. Seeds and In Silico Studies Open
Cancer is a multifactorial organic dysfunction for which great efforts are being devoted in searching for new treatments and therapeutic adjuvants. Annona muricata is a fruit that has promising activity against several types of cancer, as …
View article: A Review of Pickering Emulsions: Perspectives and Applications
A Review of Pickering Emulsions: Perspectives and Applications Open
Pickering emulsions are systems composed of two immiscible fluids stabilized by organic or inorganic solid particles. These solid particles of certain dimensions (micro- or nano-particles), and desired wettability, have been shown to be an…
View article: Chitin and Silk Fibroin Biopolymers Modified by Oxone: Efficient Heterogeneous Catalysts for Knoevenagel Reaction
Chitin and Silk Fibroin Biopolymers Modified by Oxone: Efficient Heterogeneous Catalysts for Knoevenagel Reaction Open
New materials from silk fibroin (FS-Ox) and chitin (CT-Ox) functionalized with Oxone® salt were developed for application in the synthesis of Knoevenagel adducts. The experiments were performed using benzaldehyde derivatives, malononitrile…
View article: Microencapsulation by Spray Drying and Antioxidant Activity of Phenolic Compounds from Tucuma Coproduct (Astrocaryum vulgare Mart.) Almonds
Microencapsulation by Spray Drying and Antioxidant Activity of Phenolic Compounds from Tucuma Coproduct (Astrocaryum vulgare Mart.) Almonds Open
The industrial processing of fruits in the Amazon region, such as tucuma, generates a large amount of coproducts with great nutritional potential. In this work, phenolic compounds from tucuma coproduct almonds were extracted and microencap…
View article: A Review of Potential Use of Amazonian Oils in the Synthesis of Organogels for Cosmetic Application
A Review of Potential Use of Amazonian Oils in the Synthesis of Organogels for Cosmetic Application Open
New strategies for the delivery of bioactives in the deeper layers of the skin have been studied in recent years, using mainly natural ingredients. Among the strategies are organogels as a promising tool to load bioactives with different p…
View article: Glycyrrhizic Acid and Its Hydrolyzed Metabolite 18β-Glycyrrhetinic Acid as Specific Ligands for Targeting Nanosystems in the Treatment of Liver Cancer
Glycyrrhizic Acid and Its Hydrolyzed Metabolite 18β-Glycyrrhetinic Acid as Specific Ligands for Targeting Nanosystems in the Treatment of Liver Cancer Open
Glycyrrhizic acid and its hydrolyzed metabolite 18β-glycyrrhetinic acid, obtained from the plant Glycyrrhiza glabra, have numerous pharmacological activities, such as anti-inflammatory, anti-ulcerative, antiallergic, immunomodulatory, anti…
View article: Green Extraction by Ultrasound, Microencapsulation by Spray Drying and Antioxidant Activity of the Tucuma Coproduct (Astrocaryum vulgare Mart.) Almonds
Green Extraction by Ultrasound, Microencapsulation by Spray Drying and Antioxidant Activity of the Tucuma Coproduct (Astrocaryum vulgare Mart.) Almonds Open
The industrial processing amazon fruits, like tucuma, generates a large amount of coproducts with large nutritional potential. Thus, this work obtained the oily extract of the tucuma almonds coproducts by green extraction using palm oil by…