Rubén Francisco González-Laredo

Durango Institute of Technology · Ingenieria Quimica y Bioquimica,

The use of natural pigments in the food industry has increased due to their health benefits. Carotenoids are natural pigments that carry the disadvantage of sensitivity to temperature, light and the presence of enzymes and oxygen. Microencapsulation technology is widely used to protect these compounds against degradation, preserving their physicoch...

Polymers play a significant role in the modern world and have broad applications, particularly in medicine and pharmacology. However, polymer debris represents a significant environmental threat. Therefore, new materials with exceptional performance and environmental safety are needed. The circular economy has led to the development of ‘green polym...

Fermented foods and beverages are among the most consumed by modern society, thus it is a priority to improve traditional fermentation techniques that optimize their organoleptic and nutritional properties. It is known that these products are ancient, and that alcoholic fermentation was used to produce beverages from cereals and fruits. The ferment...

An analysis and modeling of the linear viscoelastic behavior of maltenes (M) blended with styrene–butadiene–styrene block copolymer (SBS) are presented in this study. M were mixed with different amounts of SBS (Elastomer, E) (0.25–80 wt%) to investigate the effect of polymer concentration on linear viscoelastic response of the blends; storage and l...

An analysis and modelling of the linear viscoelastic behavior of maltenes (M) blended with styrene-butadiene-styrene block copolymer (SBS) are presented in this study. M were mixed with different amounts of SBS (Elastomer, E) (0.25 to 80 wt.%) to investigate the effect of polymer concentration on linear viscoelastic response of the blends; storage...

Endurance exercise promotes damage at the intestinal level and generates a variety of symptoms related to oxidative stress processes, inflammatory processes, microbiota dysbiosis, and intestinal barrier damage. This study evaluated the effects of quince (Cydonia oblonga Mill.) and probiotics of the genera Lactobacillus and Bifidobacterium on intest...

Bigels, are materials that combine hydrogels and oleogels. However, a major problem with them is the characterization of a single material compound by two materials that have different physical characteristics. The objective of this research was to evaluate the effect of the mixing time, the interaction of ratio hydrogel/oleogel, mixing rate and th...

A review paper on the natural deep eutectic solvents (NaDES) application to the extraction of bioactives from natural products and agri‐food wastes is introduced. NaDES are eutectic mixtures of two or more natural compounds forming a liquid phase at room temperature based in hydrogen bond acceptors (quaternary amines, alcohols) and hydrogen bond do...

The effects of Buddleja scordioides (BsLI) leaf infusions on digestive enzymes and carbohydrate absorption were evaluated. The BsLI yield was 21.64 %. In addition, a chemical characterization was carried out identifying hydroxybenzoic acids, hydroxycinnamic acids, flavonols, flavanones and flavones. In vitro studies were performed to determine the...

Phenolic compounds are molecules that provide health benefits. However, they present problems for their use. The use of wormlike reverse micelles to load aqueous extracts of Psidium guajava (guava) was carried out. Different solutions (i.e., content variation of canola oil, oleic acid, soy lecithin; stirring time, stirring speed) were obtained by i...

Aloe vera (Aloe barbadensis Miller) is employed as a food supplement containing mucopolysaccharides which contribute to a healthy diet. Aloe vera mucilage is usually obtained through an evaporation process. An alternative process to preserve polysaccharide properties is ultrafiltration (UF), which impedes degradation of the compound by temperature....

The antioxidant constituents of ancestral products with ethnobotanical backgrounds are candidates for the study of filtering infusions to aid in pharmacotherapies focused on the treatment of depression and anxiety. Monoamine oxidase A (MAO-A) is an enzyme that regulates the metabolic breakdown of serotonin and noradrenaline in the nervous system. T...

Color in food represents an important parameter of quality. This investigation aimed to extract anthocyanins from purple sweet potato using the ultrasound technique, and their application in a food product. The extract obtained at pH 2.5, 60% amplitude and 10 min presented the highest content of anthocyanins, the highest phenolic content, best colo...

A nivel mundial hay 537 millones de pacientes diabéticos y 14.1 millones en México. Se ha reportado que el Aloe barbadensis Miller, comúnmente conocido como Aloe vera (AV), presenta propiedades anti-hiperglucemiantes y éste contiene compuestos fenólicos. En el presente estudio se evaluó el contenido fenólico (FC), la capacidad antioxidante (AC) y e...

En las últimas décadas ha surgido un aumento en la demanda de alimentos mejores y más saludables. Entre ellos, los productos probióticos, ya sea en forma de productos alimenticios o como suplementos dietéticos. Los probióticos son microorganismos vivos que cuando se consumen en cantidades adecuadas brindan una variedad de beneficios para la salud d...

Skin inflammation occurs as an immune response to various stimuli such as ultraviolet light, irritants, or any type of skin barrier injury. Finding safe and effective drugs to combat skin inflammation remains a research challenge. Ethical and legal considerations in animal testing encourage the development of in vitro and ex vivo models for the det...

The fermentation of maqui juice (MJ), by incorporating kombucha as a starter culture, produces beverages with variable and stable anthocyanin contents. The metabolic effect of kombucha starter cultures obtained at different fermentation times was explored on the anthocyanin stability of maqui (Aristotelia chilensis (Mol.) Stuntz) juice supplemented...

The phytochemicals are compounds present in plants, which are mainly involved in growth and defense functions. Polyphenols are part of these constituents and exhibit beneficial functions for the human organism. These compounds have shown the ability to inhibit the activity of digestive enzymes such as: α-pancreatic amylase and α-glucosidase, protea...

Quercus resinosa leaves are rich in polyphenol compounds, however, they are unstable to several chemical and physical factors that limit their activity. Several methods have been developed to solve such problems, among which bigels can be mentioned and obtained using hydrogels and oleogels. The mechanical characterization of this type of materials...

Color is the first attribute that influences the acceptance of foods as they become more attractive to consumers when they are more intense and uniform. In recent years, the interest of producers and consumers in purchasing products containing natural ingredients have constantly increased. Natural pigments are commonly extracted from fruits and veg...

The objective of the present work was to carry out the chemical characterization, and the water and oil retention capacity of flours from two varieties of common bean (Phaseolus vulgaris L.), harvested in the state of Durango, México. The flours were obtained from raw and cooked beans. From the results, it was observed that the content of protein a...

A comparative study was carried out on the chemical, structural and thermal properties of candelilla wax from four wax-producing communities in Mexico, which was obtained by two extraction processes, the conventional one using sulfuric acid (SA) and an eco-friendly alternative process using citric acid (CA) as the extracting agent. The waxes were a...

Applications of organogelated emulsions in the food industry depend on their physicochemical features. The characteristics of organogelated emulsions bring together behaviors typical of an emulsion but also of an organogel. The development of these hybrids involves the use of stabilizing molecules such as surfactants and structuring agents. The phy...

Quince (Cydonia oblonga Mill.) is a potential source of polyphenolic compounds related with beneficial biological processes. In this study polyphenols from quince fruit were extracted with aqueous acetone at different ratios. A polyphenol profile was identified and quantified by LC-ESI-QqQ. The antioxidant capacity (ORAC and DPPH) and anti-inflamma...

The objective of this work is to assess the influence of the concentration of polyglycerol polyricinoleate (PGPR) (at 1%, 1.5%, and 2%) on the physical properties of water in oil gelled emulsions (W/O) and evaluates their efficiency as a delivery vehicle for curcumin. Emulsions are characterized by drop size, centrifugal test, texture, and rheology...

The objective of this work is to assess the influence of the concentration of polyglycerol polyricinoleate (PGPR) (at 1%, 1.5%, and 2%) on the physical properties of water in oil gelled emulsions (W/O) and evaluates their efficiency as a delivery vehicle for curcumin. Emulsions are characterized by drop size, centrifugal test, texture, and rheology...

Salvilla is a widely distributed plant used in treatments against gastrointestinal disorders due to its phenolic antioxidant and anti-inflammatory potential. Major yield and quality of bioactive polyphenols must be obtained with no degradation during suitable processes such as Ultrasound-Assisted Extraction (UAE), which allows an efficient extracti...

Introduction: Beyond the commercial value of coffee grains there is recent interest for the non-timber benefit and traditional medicinal properties of the Coffea tree leaves. Objective: To determine the phytochemical composition, antioxidant properties and inhibition of oxidative stress by extracts from Coffea leaves obtained by ultrasound assista...

Introducción: la contaminación del aire es un problema ambiental causado por actividades antropogénicas. Uno de los contaminantes con mayor impacto a la salud es el ozono, derivado de los óxidos de nitrógeno (NOx) y compuestos orgánicos volátiles que reaccionan con la radiación solar para formar el ozono troposférico. Estos procesos de oxidación en...

Emulsions are thermodynamically unstable systems that, by incorporating more components in their formulation, increase their complexity and make their study challenging. However, a good selection of compounds in the formulation, and suitable methods for their preparation, could result in systems with favorable thermomechanical and microstructural p...

The Raman technique can be used in the monitoring of molecular changes in organogel emulsions by intensity changes and band shifts. Raman spectra were obtained from individual components, then from an organogel and then from organogel emulsions. Raman bands corresponding to chemical bonds involved in intermolecular interactions were followed up. Ch...

Lupeol, curcumin, and quercetin are naturally occurring compounds present in plants, with some beneficial health effects. In the present study, organogel‐based emulsions (o/w) were obtained from edible oils to increase their bioaccessibility and intestinal permeability. Particle size analysis, rheology test, optical microscopy, in vitro digestibili...

La realización del ejercicio es uno de los mayores beneficios para la salud. Sin embargo, a nivel sistémico puede resultar perjudicial dependiendo del grado de intensidad con que practiquen los deportistas. El entrenamiento de alta resistencia implica un entrenamiento exhaustivo que puede resultar en síntomas gastrointestinales con manifestaciones...

The effect of adding tibicos in traditional beverage (Tepache) made from apple nectar fermentation on microbial populations, phenolic profile, antioxidant activities and inhibition of digestive enzymes was evaluated. Apple nectar was obtained from fresh apples and fermented at 25ºC for 168 h without initiator inoculum (Te/s) and with tibicos as ini...

Salvilla is a widely distributed plant used in treatments against gastrointestinal disorders due to its phenolic antioxidant and anti-inflammatory potential. Major yield and quality of bioactive polyphenols must be obtained with no degradation during suitable processes such as Ultrasound-Assisted Extraction (UAE), which allows an efficient extracti...

Los defoliadores del pino se consideran una plaga forestal importante, que es subestimada por los daños que ocasionan la presencia de otras, como los descortezadores y plantas parásitas. Para el control de plagas, existen plantas bioactivas que pertenecen a la familia Solanaceae, dentro de las cuales se encuentra Datura metel L. por lo que el prese...

Los organogeles han permitido la reducción de grasas trans en alimentos. La microestructura de los organogeles dependen del proceso de nucleación. La nucleación es el proceso inicial a partir de donde crecen las estructuras cristalinas. La formulación de los organogeles puede influir en el proceso de nucleación. Las estructuras cristalinas formadas...

The objective of the present investigation was to evaluate the physical stability of emulsions (w/o) with a gel as an oil phase. Two oil phases (canola and coconut oil) were used to assess the impact of the different vegetable oils. Monoglycerides were used as the gelling agent and polyglycerol polyricinoleate as the surfactant. Micrographs, differ...

In this work, a spray‐drying process is used to encapsulate a probiotic strain of Lactobacillus plantarum with mixtures of Aloe vera mucilage (AVM) (Aloe barbadensis Miller) and agave fructans of high degree of polymerization (AFHDP). Physicochemical properties of the powders reveal moisture contents lower than 10% and water activity between 0.195...

It has been known for years that diet is of crucial importance as a risk factor for cardiovascular diseases. The consumption of foods integrated into the Mediterranean diet is associated with beneficial effects on health, since many nutrients and phytochemicals in these foods could be independently or jointly responsible for the apparent reduction...

Lupeol, is naturally occurring compound present in plants, with some beneficial health effects. In the present study, organogel-based emulsions (o/w) were obtained from canola oil. Particle size analysis, rheology test, optical microscopy, and permeability of nutraceuticals by cell culture and UPLC-MS/MS were done. Particle hydrodynamic diameters o...

Quercus sideroxyla is used to produce firewood, carbon and paper pulp. However, there are no management programs for replacing plants, so their conservation status is in danger in some areas of Mexico. The aim of this study was to develop an efficient methodology for in vitro propagation of Q. sideroxyla. Acorns in the fruiting season were harveste...

The use of water, acetone, and hydroacetonic solutions as an extraction solvent for polyphenol compounds from Buddleja scordioides has been investigated. The phenolic profiles determined by liquid chromatography—electrospray ionization—mass spectrometry/mass spectrometry (LC–ESI–MS/MS) were compared with those obtained with the traditional aqueous...

Recently, the interest and use of bioactive phenolic compounds have increased in the food and pharmaceutical fields. This has been due to the health benefits of polyphenols reported by many researchers based on their antioxidant activity and biological properties that enable them as potential ingredients for nutraceutical formulations. Therefore, m...

La estructuración de aceites comestibles, a través de la organogelación, tiene un potencial prometedor en aplicaciones alimenticias, al ser utilizadas como sustitutos de grasa saturada en algunos productos cárnicos y lácteos de alta demanda de consumo, con la finalidad de mejorar su perfil lipídico, el cual está relacionado con la mejora nutriciona...

Coffee is one of the most popular and demanded drinks throughout the world; its consumption goes from the ceremonial to the casual, therefore, the plantations destined for its production are valuable. Besides, the coffee tree is perennial, which guarantees leaves supply throughout the year. Additionally to flowers, coffee leaves have been little st...

Tea contains health benefits due to its compounds such as catechins, which undergo thermolysis during heating. These complex reactions have been proposed as first order kinetic models at controlled conditions, and this work proposes a non‐first‐order kinetic model to cover a wide range of conditions. Afterward, these reactions were simulated via co...

Mucilage of Aloe vera (Aloe barbadensis Miller) is an alternative agent for microencapsulation by spray drying of labile bioactives, such as gallic acid. The microstructure of powders prepared with Aloe vera and maltodextrin (used for comparison purposes) with and without gallic acid revealed defined and undamaged particles. Aloe vera particles wit...

El consumo de infusiones ha mostrado un incremento, en los últimos años, entre ellas está la infusión de Buddleja scordioides, conocida como salvilla. Para responder al incremento en la demanda, es necesario facilitar su manejo, lo cual se logra mediante el empleo de concentrados, lo que involucra tratamiento térmico que puede degradar compuestos i...

This paper analyzes the research that has been carried out in the forests of Mexico on the types of damage caused by insects according to the structure of the affected tree, as well as the types of pesticides and their routes of entry, in addition to the alternative pest management techniques through the use of secondary metabolites of toxic plants...

In the current era, the customers are very demanding for an innovative nutritious food with enhanced functionality. Diet containing healthy foods and beverages plays a major role in avoiding and healing of chronic dreadful diseases eventually improving human health. Nutraceuticals are part of food ingredient or source from food products/by-products...

In this work, curcumin was spray‐dried (SD) with Aloe vera mucilage as the encapsulating agent giving particular attention to the effect of the relevant process parameters (feed flow rate, atomization speed, and inlet air temperature) on the resulting properties of the SD powders. The powders obtained were analyzed by infrared spectroscopy, scannin...