The objective of this study was to evaluate changes in color, betalain content, browning index, viscosity, physical stability, microbiological growth, antioxidant content and activity purple cactus pear juice during storage after thermoultrasonication at 80% amplitude level for 15 25 min comparison with pasteurized juice. Thermoultrasound treatment increased color stability viscosity compared (6.83 6.72 MPa, respectively), but last parameter significantly lower (p<0.05) the control juices...

Commercialization of cactus pears based on their antioxidant properties can generate competitive advantages, and these turn into business opportunities the development new products a high-value ingredient for food industry. This work evaluated activities (1,1-diphenyl-2-picrylhydrazyl radical-scavenging, protection against oxidation β-carotene-linoleic acid emulsion, iron (II) chelation), content total phenolic compounds, ascorbic acid, betacyanin, betaxanthin stability betacyanin pigments...

The consumption of vegetables in Mexico includes a wide variety plants that grow naturally as weeds the fields. intake these is very important Mexican diet because supply an input nutrients and compounds such fiber, vitamins, minerals, antioxidants. Thus, may be universally promoted healthy. However, there little information about popular consumption, especially terms nutritional changes caused by boiling. To determine influence boiling on five Mexico, composition (proximal analysis, dietary...

The aim of this research was to determine the physicochemical properties, microbial counts and aflatoxin M1 (AFM1) levels thermoultrasonicated, pasteurized untreated milk (control) at days 1, 7 14 storage. Thermoultrasound treatment performed a rate 20 kHz for 10 or 15 min 95% amplitude on homogenized non-homogenized samples. Results showed that most parameters were within Mexican norms established milk. Ultrasound reduced solids precipitation (p < 0.05) in unhomogenized during storage as...

The purpose of the present study was to determine optimal ultrasound conditions (amplitude level and time) for extraction cactus pear seed oil with highest antioxidant activity using a closed system. Seed analyzed yield, by ABTS DPPH, antimicrobial activity. Conventional methods were assessed comparison. Amplitude significantly affected in linear terms ( p &lt; 0.0001 DPPH 0.001 ABTS, resp.) so, at lower amplitudes, higher achieved. optimum 78% amplitude 10 min yielded values 66.25 mg...

Blackberry fruit processing generates residues comprised of peel, seeds, and pulp that are abundant in flavonoids, colorants, organic acids. The objective this study was to determine the acids, antioxidants, dietary fiber content blackberry compare antioxidants a prune-based commercial product. ABTS, DPPH, FRAP methodologies were used for antioxidant capacity. exhibited high amount malic acid (5706.37 mg/100 g db), phenols (4016.43 mg GAE/100 anthocyanins (364.53 db) compared with These...

Blackberry processing generates up to 20% of residues composed mainly peel, seeds and pulp that are abundant in flavonoids. The objective this study was optimize the ultrasound conditions, a closed system, for antioxidants extraction, using response surface methodology. (Rubus fructicosus) were analyzed total phenolics, anthocyanins, antioxidant activity by ABTS DPPH. selected independent variables amplitude (X₁: 80%-90%) extraction time (X₂: 10-15 min), results compared with conventional...

Abstract The aim of this study was to determine the optimal conditions for thermoultrasound treatment a prickly pear juice blend (two varieties) using response surface methodology. effect two independent variables: temperature (40–50C) and time (15–25 min) on physicochemical, microbiological, antioxidant properties were evaluated. Temperature during processing significantly affected these parameters. optimum temperatures 44–46C times 19–20 min. Under reduction &gt;3 log10 CFU/mL achieved...

The objective of this study was to evaluate the effect ultrasound (60 and 80% amplitude, 15 25 min) blackberry juice on physicochemical (pH total soluble solids), microbiological analysis (total plate count Enterobacteria), in vitro intestinal bioaccessibility polyphenols antioxidant activity (ABTS, DPPH). Ultrasound treatment caused a decrease microbial remained its properties without change. had high activity, however, after digestion process only 28% were considered as intestinally...

&lt;p&gt;Com intuito de se obter vantagens técnicas, econômicas e ambientais, vem acentuando o interesse da indústria do cimento para adições minerais em substituição parcial ao clínquer no Portland. Uma das mais comuns que ganhando espaço mercado brasileiro corresponde à argila calcinada, agrega basicamente as características pozolanicidade aos seus produtos compostos. Um material com propriedades potencialmente similares às argilas calcinadas ainda não aproveitado como pozolana país...

Most consumers are unaware of the lipid composition butter and margarine; they can buy an inauthentic product. Therefore, objective this study was to evaluate two butters (A B) one margarine (C) commercial brands, using FTIR at 400-4000 cm−1 determine their quality. Each samples melted 30°C for 1 min. Next, were analysed by FTIR, aromatic (AC), carbonyl (CC), aliphatic (AP), (long chain) (ALC) sulfoxide (SC) compounds quantified. The (C), presented differences in fingerprints (723 1465...

Undernutrition induces an increase of the oxidative stress that can predispose offspring to various diseases in adulthood through epigenetic reprogramming. The aim this study was evaluate effects intergenerational undernutrition on protein oxidation and antioxidant defence response liver, heart brain second-generation neonates (F2 ) undernourished rats. For purpose, both parents parental (F0 first generation (F1 were fed with a low-nutrient diet. Body mass length decreased (p < 0.05) F0 , F1...

En México la covid-19 se encontró con un caldo de cultivo idóneo para llegar a cifras exorbitantes casos positivos y defunciones, partir una población sobrepeso, obesidad enfermedades crónicas no controladas, causa por lo menos 3 décadas malnutrición, estilos vida saludables poca o nula actividad física. Ante esta situación el presente documento pretende exponer esquema alimentación denominado “La Dieta La Milpa”, modelo que tiene como base revaloriza tradicional los pueblos originarios...

Agave salmiana es una subespecie originaria de México, ha sido participe en distintos periodos históricos, utilizado la construcción, vestimenta, alimento y bebida. Destacando el aguamiel como subproducto, cuya particularidad su alto contenido azúcares (fructooligosacáridos). Algunos subproductos derivan del aguamiel, pulque jarabe agave; primero resultado fermentación segundo concentración solutos mediante tratamientos térmicos y/o enzimáticos. Por lo anterior, objetivo esta...

University students are vulnerable to developing metabolic syndrome, due the low consumption of foods with bioactive properties. Cocoa paste containing phenols (CPCP) may prevent it. The objective study was evaluate effect consuming 1 g cocoa for 4 weeks on anthropometric indicators, body composition, blood pressure and heart rate in university students. population consisted 7 men 13 women. In post-test measurement, had best result weight (74.4-72.3 kg), BMI (26.0-25.2 kg/m2) WC (85.5-83.5...

The aim of this study was to evaluate the stability color, betaxanthin, and betacyanin pigments in presence Cu(II)-dependent hydroxyl radicals (HO•) from ultrasonicated purple cactus pear juice at amplitudes 40%, 60%, 80%, comparison untreated sample. L* parameter treated 40% 80% amplitude for 25 15 min, respectively (11.3 9.3, respectively), were significantly higher compared control; b* hue parameters min showed values 1.7 0.1, respectively. Color differences (ΔE) lower (<3) juices high...

Coeliac disease has recently attracted interest in food science research. In search of gluten-free (GF) bread with good quality and nutritional value, several sources have been used the formulation GF composite flours. The goal present work was to study textural physical properties as well sensory characteristics Danish made flour based on a mixture flours starches. First, we identified optimal by experimental orthogonal design. Regarding quality, optimisation doughs positively affected...

The objective of this study was to determine the optimal thermoultrasound processing conditions for jackfruit nectar by applying response surface methodology and comparing physicochemical parameters, antioxidant properties, microbiology, fatty acid profile with pasteurized nectar. Optimal condition 80% amplitude at 45 ± 1°C 20 1 min, allowing physical stability 68%, 60% pectin methylesterase activity, ascorbic 420 mg AA/L, total phenolic 134 GAE/L, ABTS, DPPH, chelating activity 3,510 µmol...

En la actualidad, las enfermedades cardiovasculares, principalmente hipertensión, ocupan el primer lugar en causas de muerte México y mundo. A pesar que enfermedad puede ser controlada con farmacos, estos deben tomados por vida muchas veces se presentan efectos secundarios. Por lo medicina natural, alimentos funcionales nutracéuticos representan una excelente opción para prevenir controlar enfermedad, ya muchos compuestos bioactivos presentes actúan como agentes antihipertensivos. El...