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Última Antioxidant activity and physicochemical analysis of passion fruit (Passiflora glandulosa Cav.) pulp native to Cariri region Biological Sciences Lima-Neto, Abelardo Barbosa Moreira; Marques, Márcia Maria Mendes; Mendes, Francisca Noélia Pereira; Vieira, Ícaro Gusmão Pinto; Diniz, Derlange Belizário; Guedes, Maria Izabel Florindo. The objective of this study was to determine the proximal composition, the physical and chemical characteristics and the in vitro antioxidant capacity (DPPH, ABTS and FRAP) of the pulp of the wild passion fruit (Passiflora glandulosa Cav.) from Cariri region, Ceara, Brazil. The results showed that the proximal composition and the caloric value of this passion fruit are similar to other species, but with a high ascorbic acid content. The fruit pulp showed low level of antioxidant activity and low level of polyphenolic compounds followed by three methodologies used. Due to high levels of titratable acidity (3.52) and total soluble solids (17.80° Brix), this fruit can be considered as a high value fruit for commerce. However, it is a species of passion fruit... Tipo: Info:eu-repo/semantics/article Palavras-chave: 2.03.00.00-0; 5.07.00.00-6 functional food; Agricultural; Dietary fiber; Phenolics; Natural antioxidants. Botânica. Ano: 2017 URL: http://periodicos.uem.br/ojs/index.php/ActaSciBiolSci/article/view/34045 Apple pomace from eleven cultivars: an approach to identify sources of bioactive compounds - DOI: 10.4025/actasciagron.v32i1.3176 Agronomy Sato, Mariana Fátima; UEPG; Vieira, Renato Giovanetti; UEPG; Zardo, Danianni Marinho; UEPG; Falcão, Leila Denise; UEPG; Nogueira, Alessandro; UEPG; Wosiacki, Gilvan; UEPG. The dried apple pomace composition of eleven cultivars was assessed in this work. The drying process of apple pomace spread in a thin layer in the trays of an oven with circulating heated air at 60&ordm;C showed a 3rd order polynomial tendency and after 10 hours the product, with an equilibrium moisture of 10%, showed an homogeneous appearance according to colorimetric parameters. There are significant differences in the content of lipids, proteins, total titratable acids, total reducing sugars, dietetic fibers total phenol compounds and also in an oxidant activity. Total dietary fibers include pectin, 35%, and insoluble fibers (65%). The content of total phenolic compound, determined with the Folin Ciocalteu reagent and expressed as catechin, goes... Palavras-chave: 5.01.00.00-9 Agronomia dried apple pomace; Inverted sugar; Dietary fiber; Total phenolic compound; Antioxidant capacity Ciência e Tecnologia de Alimentos. Ano: 2010 URL: http://periodicos.uem.br/ojs/index.php/ActaSciAgron/article/view/3176 Application of roasted rice bran in cereal bars Ciênc. Tecnol. Aliment. Garcia,Marina Costa; Lobato,Luciana Pereira; Benassi,Marta de Toledo; Soares Júnior,Manoel Soares. The objective of this study was to evaluate the viability of using microwave-roasted rice bran as an ingredient in high-fiber cereal bars to obtain a product with good acceptability. The influence of the rice flakes, corn flakes, and roasted rice bran levels on the physical and chemical characteristics of the cereal bars was studied. The overall acceptability of three selected formulations was also evaluated. An increase in the roasted rice bran level in the formulation reduced the force of rupture and water activity, resulted in intermediate density, and caused darkening of the bars. The contents of lipid and total dietary fiber were higher in the formulation with the highest rice bran content, which was therefore classified as functional food. The... Tipo: Info:eu-repo/semantics/article Palavras-chave: Oryza sativa L.; Microwave; By-product; Product development; Dietary fiber. Ano: 2012 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0101-20612012000400013 Automated static image analysis as a novel tool in describing the physical properties of dietary fiber Ciênc. Tecnol. Aliment. KUREK,Marcin Andrzej; PIWIŃSKA,Monika; WYRWISZ,Jarosław; WIERZBICKA,Agnieszka. Abstract The growing interest in the usage of dietary fiber in food has caused the need to provide precise tools for describing its physical properties. This research examined two dietary fibers from oats and beets, respectively, in variable particle sizes. The application of automated static image analysis for describing the hydration properties and particle size distribution of dietary fiber was analyzed. Conventional tests for water holding capacity (WHC) were conducted. The particles were measured at two points: dry and after water soaking. The most significant water holding capacity (7.00 g water/g solid) was achieved by the smaller sized oat fiber. Conversely, the water holding capacity was highest (4.20 g water/g solid) in larger sized beet fiber.... Tipo: Info:eu-repo/semantics/article Palavras-chave: Dietary fiber; Particle size; Hydration properties; Automated static image analysis. Ano: 2015 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0101-20612015000400620 Characterization of the acerola industrial residues and prospection of their potential application as antioxidant dietary fiber source Ciênc. Tecnol. Aliment. CARMO,Jéssica Silva do; NAZARENO,Lailla Sabrina Queiroz; RUFINO,Maria do Socorro Moura. Abstract The present work aimed to evaluate the residue generated by the processing industry of acerola juice as a natural source of nutritional compounds and dietary antioxidant fiber. The determination of the dietary fiber, extraction and determination of phenolic compounds and antioxidants associated with dietary fiber in triplicates, expressed as mean values ± standard deviation, were performed. The pulp and refiner residues showed high contents of bioactive compounds and polyphenols, both presented high content of total dietary fiber, associated to the antioxidant activity. It is concluded that it is a material of high functional value and with beneficial health properties, being able to add value to products that have it as raw material. Tipo: Info:eu-repo/semantics/article Palavras-chave: Malpighia emarginata; Tropical fruits; Dietary fiber; Polyphenols. Ano: 2018 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0101-20612018000500236 Chemical composition and effects of micronized corn bran on iron bioavailability in rats Ciênc. Tecnol. Aliment. Oliveira Junior,Gilson Irineu de; Costa,Neuza Maria Brunoro; Martino,Hércia Stampini Duarte; Paes,Maria Cristina Dias. The degermination of corn grains by dry milling generates 5% of a fibrous residue. After segregation and micronization, corn bran becomes a potential source of dietary fiber consumption. However, its effect on iron bioavailability has not been reported in the literature. The objective of the present study was to determine the nutritional composition of corn bran and its effects on iron bioavailability using the hemoglobin depletion-repletion method in rats. The animals were divided into two groups: cellulose (control) and corn bran (experimental). The bran had high content of total dietary fiber, especially the insoluble fraction, and low phytate content. Hemoglobin uptake did not differ between groups at the end of repletion period, and the iron relative... Tipo: Info:eu-repo/semantics/article Palavras-chave: Dietary fiber; Phytate; Mineral. Ano: 2014 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0101-20612014000300027 Contenido y caracterización reológica de los polisacáridos estructurales de nopalitos (Opuntia spp.) en un gradiente de domesticación. Colegio de Postgraduados López Palacios, Cristian. Evidencias diversas indican que la domesticación del género Opuntia comenzó con la selección de variantes de O. streptacantha, seguida de O. hyptiacantha y O. megacantha y se centró en O. albicarpa y O. ficus indica. Las causas por las cuales se domesticó Opuntia fueron por sus frutos y nopalitos. Los polisacáridos más abundantes en los nopalitos son del tipo estructural. La hipótesis que se plantea es que los polisacáridos muestran un gradiente de concentración y sus propiedades reológicas han sido modificadas en función del grado de domesticación de Opuntia. Los polisacáridos estructurales fueron extraídos de cladodios jóvenes de 14 variantes pertenecientes a especies representantes del gradiente de domesticación (O. streptacantha, O. hyptiacantha, O.... Palavras-chave: Opuntia; Gradiente de domesticación; Reología; Fibra alimentaria; Mucílagos; Pectinas; Hemicelulosas; Celulosa; Domestication gradient; Rheology; Dietary fiber; Mucilages; Pectins; Hemicelluloses; Cellulose; Maestría; Botánica. Ano: 2011 URL: http://hdl.handle.net/10521/354 Cultivar, harvest year, and storage conditions affecting nutritional quality of common beans (Phaseolus vulgaris L. Ciênc. Tecnol. Aliment. Prolla,Ivo Roberto Dorneles; Barbosa,Roberta Garcia; Veeck,Ana Paula Lima; Augusti,Paula Rossini; Silva,Leila Picolli da; Ribeiro,Nerinéia Dalfollo; Emanuelli,Tatiana. Sixteen common bean cultivars were compared concerning the physicochemical characteristics of their raw seeds in the course of two consecutive harvests, as well as the effect of storage conditions on starch and dietary fiber content of cooked beans. Using cluster analysis it was possible to identify groups of cultivars with different nutritional features. Bean cultivars were categorized into four different groups according either to their macronutrient content (crude protein-PROT, total dietary fiber-TDF, insoluble dietary fiber-IDF, soluble dietary fiber-SDF, digestible starch-DS, and resistant starch-RS) or to their micronutrient levels (Fe, Zn, Mn, Cu, Ca, Mg, and P). Guateian 6662 and Rio Tibagi appeared to be the most suitable cultivars to prevent... Tipo: Info:eu-repo/semantics/article Palavras-chave: Dietary fiber; Digestible starch; Resistant starch; Mineral content. Ano: 2010 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0101-20612010000500016 Development and chemical and sensory characterization of pumpkin seed flour-based cereal bars Ciênc. Tecnol. Aliment. Silva,Jovane Santana; Marques,Tamara Rezende; Simão,Anderson Assaid; Corrêa,Angelita Duarte; Pinheiro,Ana Carla Marques; Silva,Renato Leal. Pumpkin (Cucurbita maxima), popularly known as squash, is a widely grown vegetable in Brazil. In this study, pumpkin seed flours (PSF) with different granulometries were used: PSF 1 (medium granulometry) and PSF 2 (coarse granulometry) in the preparation of cereal bars (CB) with different combinations with brown oats. Five formulations were prepared: CB-1 (control - 25% brown oats and 0% PSF); CB-2 (12.5% PSF 1 and 12.5% brown oats); CB-3 (25% PSF 1 and 0% brown oats); CB-4 (12.5% PSF 2 and 12.5% brown oats); and CB-5 (25% PSF 2 and 0% brown oats). The acceptance test results were analyzed in a conventional preference mapping which indicated that the bars CB-2 and CB-5 received mostly the maximum hedonistic score. With the objective of developing a cereal... Tipo: Info:eu-repo/semantics/article Palavras-chave: Cucurbita maxima; Sensory analysis; Dietary fiber. Ano: 2014 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0101-20612014000200019 Development and chemical characterization of flour obtained from the external mesocarp of "pequizeiro" fruit Ciênc. Tecnol. Aliment. Soares Júnior,Manoel Soares; Bassinello,Priscila Zaczuk; Caliari,Márcio; Reis,Renata Cunha dos; Lacerda,Diracy Betânia Cavalcante Lemos; Koakuzu,Selma Nakamoto. The objective of this work was to develop a recommendation for the chemical peeling of pequi fruit and characterize the flour obtained from the external mesocarp of "Pequizeiro", pequi tree (Caryocar brasiliense Camb.). The technology applied to obtain the external mesocarp pequi flour included the epicarp removal with NaOH solution. The Response Surface Method was used to optimize the chemical peeling process by applying the Central Composite Rotatable Design, with eleven trials including three replicates at the central point, varying the NaOH aqueous solution concentration and fruit immersion time. The mass loss was evaluated through the analysis of variance and using bi and three dimensional graphs. The chemical characteristics of the external mesocarp... Tipo: Info:eu-repo/semantics/article Palavras-chave: Development of products; Utilization of residues; Caryocar brasiliense Camb; Dietary fiber. Ano: 2010 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0101-20612010000400017 Dietary cellulose has no effect on the regeneration of hemoglobin in growing rats with iron deficiency anemia BJMBR Catani,M.; Amâncio,O.M.S.; Fagundes-Neto,U.; Morais,M.B.. The objective of the present study was to determine the effect of cellulose on intestinal iron absorption in rats during recovery from iron deficiency anemia. Twenty-one-day-old male Wistar-EPM rats were fed an iron-free ration for two weeks to induce anemia. At 5 weeks of age, the rats were divided into two groups (both groups receiving 35 mg of elemental iron per kg diet): cellulose group (N = 12), receiving a diet containing 100 g of cellulose/kg and control (N = 12), receiving a diet containing no cellulose. The fresh weight of the feces collected over a 3-day period between the 15th and 18th day of dietary treatment was 10.7 ± 3.5 g in the group receiving cellulose and 1.9 ± 1.2 g in the control group (P<0.001). Total food intake was higher in the... Tipo: Info:eu-repo/semantics/other Palavras-chave: Iron deficiency; Dietary fiber; Cellulose; Iron absorption. Ano: 2003 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-879X2003000600002 Dietary fiber, energy intake and nutritional status during the treatment of children with chronic constipation BJMBR Speridião,P.G.L.; Tahan,S.; Fagundes-Neto,U.; Morais,M.B.. The present prospective study was carried out to determine dietary fiber and energy intake and nutritional status of children during the treatment of chronic constipation. Twenty-five patients aged 2 to 12 years with chronic constipation were submitted to clinical evaluation, assessment of dietary patterns, and anthropometry before and after 45 and 90 days of treatment. The treatment of chronic constipation included rectal disimpaction, ingestion of mineral oil and diet therapy. The standardized diet prescribed consisted of regular food without a fiber supplement and met the nutrient requirements according to the recommended daily allowance. The fiber content was 9.0 to 11.9 g for patients aged less than 6 years and 12.0 to 18.0 g for patients older than 6... Tipo: Info:eu-repo/semantics/article Palavras-chave: Constipation; Anthropometry; Nutritional status; Energy intake; Dietary fiber. Ano: 2003 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-879X2003000600011 Dietary fiber intake, stool frequency and colonic transit time in chronic functional constipation in children BJMBR Guimarães,E.V.; Goulart,E.M.A.; Penna,F.J.. The objective of the present study was to evaluate associations between fiber intake, colonic transit time and stool frequency. Thirty-eight patients aged 4 to 14 years were submitted to alimentary evaluation and to measurement of colonic transit time. The median fiber intake of the total sample was age + 10.3 g/day. Only 18.4% of the subjects presented a daily dietary fiber intake below the levels recommended by the American Health Foundation. In this group, the median left colonic transit time was shorter than in the group with higher dietary fiber intake (11 vs 17 h, P = 0.067). The correlation between stool frequency and colonic transit time was negative and weak for left colon (r = -0.3, P = 0.04), and negative and moderate for rectosigmoid and total... Tipo: Info:eu-repo/semantics/article Palavras-chave: Children; Constipation; Dietary fiber; Colonic transit time. Ano: 2001 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-879X2001000900007 Digestive and functional properties of a partially hydrolyzed cassava solid waste with high insoluble fiber concentration Scientia Agricola Raupp,Dorivaldo da Silva; Rosa,Danielle Amorim; Marques,Silvia Helena de Paula; Banzatto,David Ariovaldo. Starch factories generate large amounts of cassava solid waste. A small amount is utilized for animal feed but most of it is discharged with deleterious effects to the envirounment. A edible food with a high content of insoluble dietary fiber (60.9%), named "partially hidrolyzed cassava waste" (PHCW), was prepared from industrial cassava solid waste by an enzymatic process. PHCW or wheat bran (WB) were fed to model rats and both promoted digestive function effects, but PHCW produced the greatest effect. The insoluble fiber constituent from PHCW (and not the soluble fiber), promoted the greatest fecal bulking, fecal weight and defecation frequency in rats, as compared to WB. Such results indicate that the partially hydrolyzed cassava waste presents... Tipo: Info:eu-repo/semantics/article Palavras-chave: Cassava; Dietary fiber; Wheat bran; Functional food; Human nutrition. Ano: 2004 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0103-90162004000300008 Drying of sicilian lemon residue: influence of process variables on the evaluation of the dietary fiber produced Ciênc. Tecnol. Aliment. Silva,Vanessa Martins; Viotto,Luiz Antonio. In this study, the effect of the process variables of the air-drying of Sicilian lemon residues on some technological properties of the fibers produced was studied. The determination and modeling of desorption isotherms were used to establish the equilibrium moisture content at 60, 75, and 90 °C using the static method with 8 saturated salt solutions. The best fit was obtained with BET and GAB models. The drying process was conducted in a vertical tray dryer and delineated according to a central composite experimental design (2²) using the following as factors: air velocity (0.5, 0.75 and 1 m/s) and temperature (60, 75, and 90 °C), and it presented a good fit to the exponential model (R² > 99.9%). The experimental design responses evaluated were the... Tipo: Info:eu-repo/semantics/article Palavras-chave: Residues; Sicilian lemon; Desorption isotherms; Convective dryer; Dietary fiber; Technological properties. Ano: 2010 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0101-20612010000200020 Efecto antidiabético de los polisacáridos del fruto de xoconostle (Opuntia matudae) en ratas. Colegio de Postgraduados Calvo Arriaga, Ayne Oliva. La diabetes mellitus afecta a más de 220 millones de personas en el mundo y es una de las causas principales de muerte. Existe evidencia de que los frutos ácidos de Opuntia joconostle y O. matudae, denominados xoconostle, disminuyen la glucemia e incrementan la concentración sérica de insulina en individuos diabéticos. El presente estudio fue propuesto para dilucidar si esos efectos y otros relacionados con el metabolismo energético, como la disminución de colesterol y triglicéridos en la sangre, se deben a los mucílagos, pectinas o hemicelulosas de xoconostle, a todos ellos o a ninguno de ellos. La hipótesis es que estos polisacáridos ocasionan disminución de las concentraciones séricas de glucosa, colesterol y triglicéridos, e incremento de la secreción... Palavras-chave: Dislipidemia; Fibra alimentaria; Glucemia; Insulina; Dietary fiber; Dyslipidemia; Glycemia; Insulin; Maestría; Botánica. Ano: 2011 URL: http://hdl.handle.net/10521/526 Efecto antidiabético de los polisacáridos del fruto de xoconostle (Opuntia matudae) en ratas. Colegio de Postgraduados Calvo Arriaga, Ayne Oliva. La diabetes mellitus afecta a más de 220 millones de personas en el mundo y es una de las causas principales de muerte. Existe evidencia de que los frutos ácidos de Opuntia joconostle y O. matudae, denominados xoconostle, disminuyen la glucemia e incrementan la concentración sérica de insulina en individuos diabéticos. El presente estudio fue propuesto para dilucidar si esos efectos y otros relacionados con el metabolismo energético, como la disminución de colesterol y triglicéridos en la sangre, se deben a los mucílagos, pectinas o hemicelulosas de xoconostle, a todos ellos o a ninguno de ellos. La hipótesis es que estos polisacáridos ocasionan disminución de las concentraciones séricas de glucosa, colesterol y triglicéridos, e incremento de la secreción... Palavras-chave: Dislipidemia; Fibra alimentaria; Glucemia; Insulina; Dietary fiber; Dyslipidemia; Glycemia; Insulin; Maestría; Botánica. Ano: 2011 URL: http://hdl.handle.net/10521/526 Effect of dietary fiber on the bioaccessibility of phenolic compounds of mango, papaya and pineapple fruits by an in vitro digestion model Ciênc. Tecnol. Aliment. VELDERRAIN-RODRÍGUEZ,Gustavo; QUIRÓS-SAUCEDA,Ana; MERCADO-MERCADO,Gil; AYALA-ZAVALA,Jesús Fernando; ASTIAZARÁN-GARCÍA,Humberto; ROBLES-SÁNCHEZ,Rosario Maribel; WALL-MEDRANO,Abraham; SAYAGO-AYERDI,Sonia; GONZÁLEZ-AGUILAR,Gustavo Adolfo. The presence of dietary fiber (DF) in the food matrix of some tropical fruits plays an important role in the release and absorption of its bioactive compounds, such as phenolic compounds (PCs). The aim of this study was to evaluate the effect of the DF fractions in mango cv. ‘Ataulfo’, papaya cv. ‘Maradol’ and pineapple cv. ‘Esmeralda’, on the bioaccessibility of their PCs and antioxidant capacity (AOXC) under an in vitro digestion model. The highest PCs content and AOXC was found in mango (274.30 mg GAE/100 g FW), followed by papaya (212 mg GAE//100 g FW), and pineapple (107.63 mg GAE/100 g FW), respectively. About 50% of the total PCs in all fruits was released at gastric phase, increasing closer to 60% at intestinal phase in mango and pineapple.... Tipo: Info:eu-repo/semantics/article Palavras-chave: Tropical fruit; Phenolic compounds; Antioxidant capacity; Dietary fiber; Bioaccessibility; In vitro digestion. Ano: 2016 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0101-20612016000200188 Effect of treatment with alkaline hydrogen peroxide associated with extrusion on color and hydration properties of oat hulls BABT Galdeano,Melicia Cintia; Grossmann,Maria Victória Eiras. An incomplete factorial design with three independent variables at three levels of variation was used to evaluate the effect of the treatment with alkaline hydrogen peroxide concomitant with extrusion on some properties of oat hulls. The independent variables were hydrogen peroxide level, feed moisture and extrusion temperature. The dependent variables were water retention capacity (WRC), swollen volume (SV) and color. The analysis of variance showed that temperature was the most important variable for the hydration properties. The highest values of WRC and SV were obtained when oat hulls were processed in the condition of 7% hydrogen peroxide, 32% feed moisture and 90ºC extrusion temperature. Modified hulls had a WRC 70% higher and SV 55% higher than the... Tipo: Info:eu-repo/semantics/article Palavras-chave: Dietary fiber; Oat hulls; Chemical modification; Functional properties. Ano: 2005 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-89132005000100010 Evaluation of iron bioavailability in a mixture of cereals, seeds, and grains ("Human Ration") Ciênc. Tecnol. Aliment. Enes,Bárbara Nery; Alves,Natália Elizabeth Galdino; Valdés,Samanta Thomas; Silveira,Carlos Mário Martins; Costa,Neuza Maria Brunoro; Ribeiro,Sônia Machado Rocha; Pires,Shaila Turbay; Martino,Hércia Stampini Duarte. Iron bioavailability was evaluated in three mixtures of cereals, seeds, and grains ("Human Ration"): light, regular, and homemade provided to rats. The animals received an iron depletion diet for 21 days, followed by a repletion diet containing 12 mg·kg-1 of iron for 14 days. The hemoglobin regeneration efficiency and the relative biological value did not differ between the light mixture and control group. The iron bioavailability of the light mixture of cereals, seeds, and grains and the control group were 99.99±27.62 and 80.02±36.63, respectively, while the regular and homemade mixtures of cereals, seeds, and grains showed lower iron bioavailability, 50.12±35.53 and 66.66±15.44, respectively; the iron content of the diet with light cereal mixture light... Tipo: Info:eu-repo/semantics/article Palavras-chave: Dietary fiber; Minerals; Bioavailability; Short chain fatty acids; Condensed tannin. Ano: 2014 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0101-20612014000100003 Registros recuperados: 39 Primeira ... 1 2 ... Última

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