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| Registros recuperados: 35 | |
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| Ywassaki,Larissa Akemi; Canniatti-Brazaca,Solange Guidolin. |
| Citric fruits - in natura, as frozen pulp or even as juice - are one of the most important Brazilian exportation products. They are a source of ascorbic acid - a potent antioxidant, and pectin, which is used in the food industry and is an important dietary fiber. This project aims to quantify ascorbic acid and pectin contents in citric fruits, commercial oranges and tangerines, comparing them in sizes and varieties. Ascorbic acid amount was measured in juice comparing sizes, varieties and storage conditions, using a tritimetric method with 2.6-dichlorobenzenoindophenol indicator. Total and soluble pectin in each part of the fruits (peel, albedo, pulp and juice) were quantified using the polygalacturonic acid as a standard. Differences were found between... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Orange; Tangerine; Pectin; Ascorbic acid; Composition; Size. |
| Ano: 2011 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0101-20612011000200007 |
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| Zhong-Tao,Sun; Lin-Mao,Tian; Cheng,Liu; Jin-Hua,Du. |
| Apple pomace is a wasted resource produced in large quantities and its deposit has caused serious environmental problems, so it is significance to make the full utilization of the residues. The objectives of this work were to produce multienzyme bio-feed, biodegrade the anti-nutritional factors such as pectin and tannins in apple pomace, and obtain the nutritional enrichment of the fermented substrate. The mixture of apple pomace and cottonseed powder (1:1, w/w), supplemented with 1% (w/w) (NH4)2SO4 and 0.1% (w/w) KH2PO4, was proved to be the optimum medium for the mixed strains of Aspergillus niger M2 and M3 (2:1, w/w). The activities of pectinase, proteinase and cellulase achieved 21168 u/g, 3585 u/g and 1208u/g, and the biodegradation rates of pectin... |
| Tipo: Journal article |
Palavras-chave: Apple pomace; Aspergillus niger; Multienzyme bio-feed; Pectin; Solid state fermentation; Tannins. |
| Ano: 2009 |
URL: http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-34582009000100002 |
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| Shiga,Tânia M.; Lajolo,Franco M.; Filisetti,Tullia M.C.C.. |
| The soluble and insoluble cotyledon (SPF-Co and IPF-Co) and tegument (SPF-Te and IPF-Te) cell wall polymer fractions of common beans (Phaseolus vulgaris) were isolated using a chemical-enzymatic method. The sugar composition showed that SPF-Co was constituted of 38.6% arabinose, 23.4% uronic acids, 12.7% galactose, 11.2% xylose, 6.4% mannose and 6.1% glucose, probably derived from slightly branched and weakly bound polymers. The IPF-Co was fractionated with chelating agent (CDTA) and with increasing concentrations of NaOH. The bulk of the cell wall polymers (29.4%) were extracted with 4.0M NaOH and this fraction contained mainly arabinose (55.0%), uronic acid (18.9%), glucose (10.7%), xylose (10.3%) and galactose (3.4%). About 8.7% and 10.6% of the... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Legume; Pectin; Carbohydrate; Gas chromatography. |
| Ano: 2003 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0101-20612003000200007 |
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| Becker, Fernanda Salamoni; Vilas Boas, Ana Carolina; Sales, Adones; Tavares, Lucas Silveira; Siqueira, Heloisa Helena de; Vilas Boas, Eduardo Valério de Barros. |
| This work aimed to evaluate the physicochemical characteristics and enzymatic activity of “Sabará” jabuticaba fruits, which were cultivated in Lavras, Minas Gerais State, Brazil, at different maturation stages. The fruits were harvested and separated into five different stages: totally green fruit, fruit with incipient pigmentation, fruit with a light purple predominance, totally purple fruit and totally dark purple fruit. These fruits were physicochemically analyzed and evaluated for polygalacturonase enzymatic activity. Chlorophyll degradation and the synthesis of anthocyanin on fruit rinds were observed, as well as the degradation of the cell wall and its consequent softening. In the pulp, increased soluble solids, pH and sugars were observed, while... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: 50700006 CIÊNCIA E TECNOLOGIA DE ALIMENTOS 50701045 FISIOLOGIA PÓS-COLHEITA Myrciaria jaboticaba; Pectin; Polygalacturonase; Chlorophyll; Anthocyanin. FISIOLOGIA PÓS-COLHEITA. |
| Ano: 2015 |
URL: http://periodicos.uem.br/ojs/index.php/ActaSciAgron/article/view/19499 |
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| Sato, Mariana de Fátima; Universidade Estadual de Ponta Grossa; Rigoni, Dayana Carla; Universidade Estadual de Ponta Grossa; Canteri, Maria Helene Giovanetti; Universidade Tecnológica Federal do Paraná; Petkowicz, Carmen Lúcia de Oliveira; Universidade Federal do Paraná; Nogueira, Alessandro; Universidade Estadual de Ponta Grossa; Wosiacki, Gilvan; Universidade Estadual de Ponta Grossa. |
| Pectic substances from eleven samples of dried apple pomace were extracted using an acid procedure (100 mM HNO3, 10 min., 80ºC), dried, ground and stored in a P2O5 atmosphere. The degree of esterification was determined by the classical titrimetric method and confirmed by the instrumental FTIR method. The samples showed an average DE of 73% and the typical fingerprint in IR spectrogram. The steric exclusion chromatograms obtained with the multi-angle laser light scattering (MALLS) and refraction index (RI) detectors showed that all samples had a high molar fraction eluted at 36-38 min., another large polysaccharide family had an elution time around 43 min, and some samples showed yet another low molecular oligosaccharide that appeared at 58-60 min. Gas... |
| Tipo: Caracterização química e instrumental |
Palavras-chave: 5.07.00.00-6 apple pomace; Dietary fibers; Pectin; Degree of esterification Ciência e Tecnologia de Alimentos apple pomace; Dietary fibers; Pectin; Degree of esterification. |
| Ano: 2011 |
URL: http://periodicos.uem.br/ojs/index.php/ActaSciAgron/article/view/7125 |
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| Labate,Mônica T. Veneziano; Bertolo,Ana L. Ferreira; Nascimento,Daniela Defávari do; Gutmanis,Gunta; Andrade,Alexander de; Rodrigues,Maria J. Calderan; Camargo,Eduardo L.O.; Boaretto,Luis Felipe; Moon,David H.; Bragatto,Juliano; Labate,Carlos A.. |
| UDP-glucose dehydrogenase (UGDH) catalyzes the oxidation of UDP-glucose (UDP-Glc) to UDP-glucuronate (UDP-GlcA), a key sugar nucleotide involved in the biosynthesis of plant cell wall polysaccharides. A full-length cDNA fragment coding for UGDH was cloned from the cambial region of 6-month-old E. grandis saplings by RT-PCR. The 1443-bp-ORF encodes a protein of 480 amino acids with a predicted molecular weight of 53 kDa. The recombinant protein expressed in Escherichia coli catalyzed the conversion of UDP-Glc to UDP-GlcA, confirming that the cloned cDNA encodes UGDH. The deduced amino acid sequence of the cDNA showed a high degree of identity with UGDH from several plant species. The Southern blot assay indicated that more than one copy of UGDH is present... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: UDP-glucose; UDP-glucuronate; Hemicellulose; Pectin; Cell wall. |
| Ano: 2010 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1415-47572010000400015 |
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| Martínez-Trujillo,Aurora; Aranda,Juan S.; Gómez-Sánchez,Carlos; Trejo-Aguilar,Blanca; Aguilar-Osorio,Guillermo. |
| Growth and enzymes production by Aspergillus flavipes FP-500 were evaluated on pectin, polygalacturonic acid, galacturonic acid, arabinose, rhamnose, xylose, glycerol and glucose at different initial pH values. We found that the strain produced exopectinases, endopectinases and pectin lyases. Exopectinases and pectin lyase were found to be produced at basal levels as constitutive enzymes and their production was modulated by the available carbon source and pH of culture medium and stimulated by the presence of inducer in the culture medium. Endo-pectinase was basically inducible and was only produced when pectin was used as carbon source. Our results suggest that pectinases in A. flavipes FP-500 are produced in a concerted way. The first enzyme to be... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Aspergillus flavipes; Pectinolytic enzymes; Constitutive enzymes; Inducible enzymes; Pectin. |
| Ano: 2009 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1517-83822009000100006 |
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| Maria, Bruno Giovany; Universidade Estadual de Maringá; Scapinello, Cláudio; Universidade Estadual de Maringá; Oliveira, Andréia Fróes Galuci; Universidade Estadual de Maringá; Monteiro, Ana Carolina; Universidade Estadual de Maringá; Catelan, Fernanda; Universidade Estadual de Maringá; Figueira, Josianny Limeira; Universidade Estadual de Maringá. |
| Several experiments were conducted to determine the digestibility of dehydrated citrus pulp (DCP) and evaluate its effect on rabbit feed. Digestibility assay comprised 30 rabbits fed on two diets: a reference diet and a diet in which 20% consisted of DCP. The digestibility assay comprised 10 days for adaptation and four days for feces collection. The digestibility coefficient and digestible nutrient rates for DM, CP, NDF, ADF, and CE of DCP were respectively 83.75 and 76.04%; 70.12 and 5.03%; 40.14 and 9.52%; 68.98 and 15.09%; and 81.48% and 3394 kcalDE kg-1 DM. Performance assay consisted of 120 growing rabbits receiving diets with six DCP levels (0, 20, 40, 60, 80 and 100%) to replace corn. Linear decrease (p < 0.01) in daily feed intake and... |
| Tipo: Ensaio de digestibilidade; análise laboratorial; análise de desempenho |
Palavras-chave: 5.04.05.00-4 carcaça; Rendimento; Nutriente; Fibra digestível; Pectina carcass; Yield; Nutrient; Digestible fiber; Pectin. |
| Ano: 2013 |
URL: http://periodicos.uem.br/ojs/index.php/ActaSciAnimSci/article/view/12359 |
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| SIDDIQUI,Nouman Rashid; MUHAMMAD,Aish; KHAN,Muhammad Ramzan; ALI,Ghulam Muhammad; MAHMOOD,Talat; SHAHZAD,Armghan; JABBAR,Saqib. |
| Abstract Pectin is a very important ingredient in food processing. The present study was designed to find out the changes taken place in pectin content during development and ripening phases of banana fruit. The expression of gene (pectin esterase) was also observed during development and ripening. Five exotic cultivars namely William, Brazilian, G-Naine, Basrai and Pisang were selected for this study. Sampling were carried out after every 2 weeks during development and there was 6 sampling stages (from emergence to harvesting stage). After harvesting the fruit of all cultivars were subjected to natural ripening in the lab and sampling during ripening were carried out according to the colour changes in the fruit skin. 5 ripening stages were studied. Hence... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Pectin; Pectin esterase; Gene expression; Development and ripening; Banana. |
| Ano: 2020 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0101-20612020005005208 |
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| Omori,Wellington P.; Pinheiro,Daniel G.; Kishi,Luciano T.; Fernandes,Camila C.; Fernandes,Gabriela C.; Gomes-Pepe,Elisângela S.; Pavani,Claudio D.; Lemos,Eliana G. de M.; Souza,Jackson A. M. de. |
| Abstract The filter cake from sugar cane processing is rich in organic matter and nutrients, which favors the proliferation of microorganisms with potential to deconstruct plant biomass. From the metagenomic data of this material, we assembled a draft genome that was phylogenetically related to Thermomonospora curvata DSM 43183, which shows the functional and ecological importance of this bacterium in the filter cake. Thermomonospora is a gram-positive bacterium that produces cellulases in compost, and it can survive temperatures of 60 ºC. We identified a complete set of biomass depolymerizing enzymes in the draft genome of Thermomonospora sp. CIT 1, such as α-amylase, catalase-peroxidases, β-mannanase, and arabinanase, demonstrating the potential of this... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Actinobacteria; Pectin; Hemicellulose; Crystalline cellulose; Orthologous genes. |
| Ano: 2019 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1415-47572019000100145 |
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| HARTWIG,Naralice; FERREIRA,Cláudia Fetter Jorge; COLAZZO,Carolina Carvalho; KUPSKI,Larine; BADIALE-FURLONG,Eliana. |
| Abstract This study evaluated the role of dry fruits as a source of fungal contaminants or functional compounds. Dry apple, apricot, candied fruits, prune, and white and black raisin were evaluated regarding patulin and ergosterol content, centesimal composition, pH, acidity, pectin, and phenolic profile. The ergosterol was detected in 38% of the samples and patulin (PAT) in 89%, the apricot samples stood out most by contaminant level. Apricot, candied fruit, and prunes presented moisture values beyond the other dry fruits. The pH ranged from 3.8 to 4.6; acidity from 0.1 to 1.0%; sugar content from 1.7 to 5.5%; and levels of soluble and insoluble pectin from 1.6 to 5.1% and 10.9% to 27.3%, respectively. The apples showed a higher content of free phenolic... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Ergosterol; Patulin; Pearson correlation; Phenolic acids; Pectin. |
| Ano: 2020 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0101-20612020000100076 |
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| Goulart,F.R.; Lovatto,N.M.; Klinger,A.C.; Adorian,T.J.; Mombach,P.I.; Pianesso,D.; Martinelli,S.G.; Veiga,M.L.; Silva,L.P.. |
| ABSTRACT A study was conducted to investigate the effect of Dietary Fiber Concentrates (DFCs) on growth performance, gut morphology, and hepatic metabolic intermediates in jundiá (Rhamdia quelen). At the end of the trial, growth and intestinal villus height was significantly (P< 0.05) higher in fish fed diets supplemented with DFCs. However, the animals in commercial prebiotic group showed higher values for this variable compared to the other treatments. Regarding the thickness of the epithelium bowel, it was greater in the Control group compared to animals supplemented with β-glucan+mannan. Likewise, treatment with commercial prebiotic showed higher values of epithelium bowel compared to the DFCs. The fish supplemented with DFCs, had higher glycogen... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Prebiotics; Rhamdia quelen; Mucilage; Pectin; Β-glucan + mannan. |
| Ano: 2018 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0102-09352018000501633 |
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| Lins,Ana Carolina de Almeida; Cavalcanti,Diana Teresa de Barros; Azoubel,Patrícia Moreira; Mélo,Enayde de Almeida; Maciel,Maria Inês Sucupira. |
| The technology for the production of restructured fruit with high contents of fruit pulp using hydrocolloids as binding agents has not been fully developed. This study evaluated the effect of mixtures of sodium alginate, low methoxy pectin, and gelatin on the characteristics of yellow mombin (Spondias mombin L.) fruit gels. The results of the central composite design showed that the models obtained, except for those of water activity and soluble solids, were predictive. Gelatin was the most important factor affecting firmness, pH, and the color parameters of the structured fruit pulp. |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Alginate; Gelatin; Pectin; Response surface methodology. |
| Ano: 2014 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0101-20612014000300004 |
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| Menezes,Madalena Lima; Brandi,Roberta Ariboni; Bueno,Ives Cláudio da Silva; Balieiro,Júlio Cesar de Carvalho; Moreira,Camilla Garcia; Nascimento,Olivia Carmen de Araújo. |
| Currently, the use of alternative energy ingredients for horses has increased because these foods contain "superfibers", making safer diet for these animals. To study the influence of diets containing increasing levels of citrus pulp on albumin, triglycerides, cholesterol, glucose, insulin and short chain fatty acid (SCFA) concentrations in the blood, five animals were used, with an average age of 3.5 years and a live weight of 460.66±76.86 kg, they were fed twice a day, at 7:00 am and 4:00 pm. The diets were formulated to meet the requirements of the animals at maintenance. 60% of the energy was obtained from forage, and 40% from concentrate, containing the following inclusion levels of citrus pulp (0, 7, 14, 21 and 28%). The area under the curve (AUC)... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Soluble fiber; Nutrition; Pectin; Plasma. |
| Ano: 2014 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1413-70542014000600008 |
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| Loyola,Nelson; Pavéz,Paula; Lillo,Sergio. |
| The present study extracted pectin from Pink Lady apples (Malus pumila), which present at physiological maturity an average 50% of red-color coverage, to assess whether this variety is characterized by a high (HM) or low methoxyl value (LM). The raw materials were obtained from the Marengo farm, Los Niches, Curicó province, in the south-central region of Chile. Acid hydrolysis was used and the material was then subjected to sensory analysis, evaluating the organoleptic characteristics of pectin. The pectin was extracted with citric acid, which was tested under three pH conditions (2.5, 3.0 and 3.5, the latter corresponding to the natural pH of apples) for 60 and 90 min and subjected to a constant temperature of 90 °C. The degree of esterification (DE) of... |
| Tipo: Journal article |
Palavras-chave: Apple; Pectin; Esterification; Sensory analysis. |
| Ano: 2011 |
URL: http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0718-16202011000300012 |
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| Fertonani,Heloísa Cristina Ramos; Scabio,Ardalla; Carneiro,Eliana Beleski Borba; Schemim,Maria Helene Canteri; Nogueira,Alessandro; Wosiacki,Gilvan. |
| In Brazil, one of the top apple producing countries in the world, apple processing is an increasing activity, with pomace as the main by-product. To extract pectin from pomace, factors affecting process and product should be studied for optimization. A model to produce LMP directly from dried apple pomace was established observing the effects of HNO3 concentration and the time of reaction at 97ºC, analyzed from a statistical and practical point of view. The model for gravimetric yield (R² =0.9834) predicts the highest value of 20.07 g/100 g (126 mM; 14.07 min) of a pectin with a degree of esterification of 48.49%. The model for degree of esterification of extracted pectin (R²= 0.9797) predicts the lowest value of 43.73% (200 mM; 10.07 min) with a yield of... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Apple; Pectin; Extraction; LMP; Nitric acid. |
| Ano: 2009 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-89132009000100023 |
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| Registros recuperados: 35 | |
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