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Registros recuperados: 254
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Nutritional value of high moisture corn silage in the diet of Holstein cows Arq. Bras. Med. Vet. Zootec.
Persichetti Júnior,P.; Almeida Júnior,G.A.; Costa,C.; Meirelles,P.R.L.; Silveira,J.P.F.; Panichi,A.; Silva,M.G.B.; Factori,M. A.; Cavasano,F.A.; Mendonça,S.A..
Five Holstein cows were distributed in a 5x5 latin square design to assess the effect of replacement levels of dry ground corn grain (DGCG) by high moisture corn silage (HMCS) on intake, total nutrient digestibility and plasma glucose, according to the following treatments: 1) 100% DGCG; 2) 75% DGCG and 25% HMCS; 3) 50% DGCG and 50% HMCS; 4) 25% DGCG and 75% HMCS; 5) 100% HMCS. The experiment lasted 70 days, divided into five phases of 14 days each. The digestibility was obtained using chromic oxide (Cr2O3) as the indicator. Fecal samples were collected twice daily and blood samples were collected on the last day of each period before the first meal (0h) and 2h, 4h, 6h and 12h after the meal. There was no effect (P>0.05) on the intake of dry matter...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Starch; Digestibility; Glucose; Chromium oxide; Processing.
Ano: 2014 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0102-09352014000501495
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Tropical Fruit Pulps: Processing, Product Standardization and Main Control Parameters for Quality Assurance BABT
Silva,Carlos Eduardo de Farias; Abud,Ana Karla de Souza.
ABSTRACT Fruit pulp is the most basic food product obtained from fresh fruit processing. Fruit pulps can be cold stored for long periods of time, but they also can be used to fabricate juices, ice creams, sweets, jellies and yogurts. The exploitation of tropical fruits has leveraged the entire Brazilian fruit pulp sector due mainly to the high acceptance of their organoleptic properties and remarkable nutritional facts. However, several works published in the last decades have pointed out unfavorable conditions regarding the consumption of tropical fruit pulps. This negative scenario has been associated with unsatisfactory physico-chemical and microbiological parameters of fruits pulps as outcomes of little knowledge and improper management within the...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Processing; Standards of identity and quality; Vegetable product; Food safety.
Ano: 2017 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-89132017000100502
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Influence of post harvest processing conditions on yield and quality of ground turmeric (Curcuma longa L.) BABT
Bambirra,Maria Lúcia A.; Junqueira,Roberto G.; Glória,Maria Beatriz A..
Studies were carried out to evaluate the influence of post harvest processing conditions on yield and quality of ground turmeric. Rhizomes were peeled, cooked (autoclave or immersion) in water or alkaline media, sliced, dehydrated, ground, sieved, packaged in polyethylene bags and stored for 60 days at room temperature. Yields ranged from 9.84 to 14.51 g of powder/100 g of rhizome with moisture varying from 8.84 to 9.86 g/100 g. Peel removal caused 30% mass loss but the powder obtained had higher intensity of yellow and red. Cooking caused a reduction in dehydration time and provided a powder with lower moisture content, higher levels of curcuminoid pigments and higher Hunter CIE L*, a* and b* values. Cooking by immersion provided higher quality powder...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Turmeric; Curcuminoid pigments; Natural colorants; Processing.
Ano: 2002 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-89132002000600004
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Processing of bluefish, Pomatomus saltatrix using natural smoke flavouring as coadjuvant BABT
Gonçalves,Alex Augusto; Prentice-Hernández,Carlos.
The bluefish (Pomatomus saltatrix) constitutes the main fishing resource in Rio Grande do Sul (Brazil) coast in the autumn, winter and spring months. Considering that this fish is highly perishable, to have its shelf life increased an adequate treatment and processing are needed as soon as its capture occurs. Its use in the elaboration of a smoked product can represent considerable economic growth, if compared to its current "in natura" or frozen commercialization. A bluefish base smoked product was elaborated using natural smoke flavouring (known commercially as liquid smoke) defining the adjusted technological characteristics during the processing. The best form of liquid smoke application (immersion or sprinkling) was chosen sensorially by hedonic...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Bluefish; Processing; Smoked fish; Liquid smoke.
Ano: 1999 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-89131999000100006
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Bioactive compounds content of chimarrão infusions related to the moisture of yerba maté (Ilex Paraguariensis) leaves BABT
Bastos,Deborah H. M.; Fornari,Ana Claudia; Queiroz,Yara S.; Torres,Elizabeth A. F. S..
The aim of this study was to evaluate the effects of the processing stages of yerba maté (Ilex paraguariensis) on the moisture content of the leaves and the efficiency of the aqueous extraction of some bioactive substances. Samples of yerba maté were analyzed for caffeine, phenolic acids (caffeic acid, 5-caffeoilquinic acid) and flavonoids (quercetin, kaempferol and myricetin) by HPLC equipped with a diode array detector. Processing widely influenced the caffeine and 5-caffeoilquinic acid content of the aqueous extract (p < 0.05), which was related to the moisture content of the leaves. Caffeic acid was present in 45% of the in infusions from dried mate leaves. Quercetin, myricetin and kaempferol were not detected.
Tipo: Info:eu-repo/semantics/article Palavras-chave: Yerba maté (Ilex paraguariensis); Processing; Bioactive substances.
Ano: 2006 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-89132006000400007
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Dimethoate degradation in plants and during processing of yerba maté leaves BABT
Schmalko,Miguel E.; Ramallo,Laura A.; Ferreira,Darío; Berlingheri,Rubén D..
The objective of this research was to study degradation kinetics of dimethoate in plants of Ilex paraguariensis Saint Hilaire (or yerba maté) and during its processing. To determine dimethoate concentration, a capillary gas chromatography technique with a mass selective detector was used. Half-life times in plants ranked between 9.8 and 11.8 days. During processing, with a blanching and two drying steps, dimethoate concentration decayed to a 22.7% of its initial value (in dry basis); while during seasoning step (at 45°C), half-life time was 17.3 days. With these values, preharvest safety interval was determined.
Tipo: Info:eu-repo/semantics/article Palavras-chave: Dimethoate; Pesticide; Degradation; Processing; Ilex paraguariensis; Yerba maté.
Ano: 2002 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-89132002000600003
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Lactococcus bacteriophages isolated from whey and their effects on commercial lactic starters BABT
Oriani,Maria Raquel de Godoy; Yokoya,Fumio.
The incidence of phages of lactic acid bacteria in milk industry and their effects on acidification ability of commercial lactic acid starters were studied. Cheese whey samples (33 samples) were collected from 17 factories. A total of 16 bacteriophages were isolated (12 specific for Lactococcus lactis, 3 for L. diacetylactis and one capable of lysing both species). The results showed that 10% reduction in acidification tests was not good indication of phage in the sample. The majority of samples showed reduction higher than 10%, although only 65% were phage positive. The isolated phages were quite stable and showed no reduction in infectivity even after 20 daily replications. A pool of bacteriophages was prepared from isolates and inoculated in 12...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Bacteriophage; Lactococcus; Cheese making; Milk; Processing.
Ano: 2004 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-89132004000400009
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Use of a proteolytic enzyme in cocoa (Theobroma cacao L.) processing BABT
Brito,Edy Sousa de; Pezoa García,Nelson Horacio; Amancio,Allan César.
Protein hydrolysis using an exogenous protease on cocoa nibs was performed to verify the formation of precursors and the effect on cocoa flavour. An experimental design was used to check the influence of temperature (30 to 70 ºC) and enzyme : substrate ratio [E/S] (97.5 to 1267.5 U g-1 of protein). The % Degree of Hydrolysis (% DH) was affected mainly by [E/S] leading to a 4-fold increase (from 5 to 20 %) after 6 hours of treatment. During cocoa nibs roasting, there was a greater consumption of hydrolysis compounds in the sample treated with protease as compared to the control, indicating their participation in the Maillard reaction. An increased perception of chocolate flavour and bitter taste was observed in a product formulated with protease treated...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Cocoa; Flavour; Protein hydrolysis; Processing.
Ano: 2004 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-89132004000400008
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Physicochemical and antioxidant capacity analysis of colored sweet potato genotypes: in natura and thermally processed Ciência Rural
Vizzotto,Márcia; Pereira,Elisa dos Santos; Vinholes,Juliana Rocha; Munhoz,Priscila Cardoso; Ferri,Núbia Marilin Lettnin; Castro,Luis Antonio Suita de; Krolow,Ana Cristina Richter.
ABSTRACT: Sweet potato ( Ipomoea batatas (L.) Lam) is one of the most popular and ancient roots of Brazil and it can be consumed at different forms such as boiled, roasted or as sweets. Its cooking can lead to physicochemical transformations altering the nutritional properties. The objective of this study was to evaluate the physicochemical characteristics, bioactive compounds and antioxidant capacity of twelve sweet potato genotypes of varying pulp color in natura and roasted. Soluble solids, acidity, sugars, carotenoids, anthocyanins, phenolic compounds and antioxidant capacity were analyzed in the following sweet potatoes genotypes: cream pulp (Rubissol, Cuia, ILS03, ILS10, ILS12, ILS24 and ILS44); orange pulp (Amelia and Beauregard); and purple pulp...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Carotenoids; Anthocyanins; Processing; Bioactive compounds; Ipomoea batatas.
Ano: 2017 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0103-84782017000400751
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Peach cultivars from tropical regions: characterization and processing potential Ciência Rural
Curi,Paula Nogueira; Tavares,Bruna de Sousa; Tadeu,Maraísa Hellen; Melo,Evaldo Tadeu de; Pio,Rafael; Souza,Vanessa Rios de.
ABSTRACT: In order to increase the availability to consumers and add even more value to peaches (Prunus persica (L.) Batsch) and to identify which cultivars grown in tropical regions are more suitable for jelly processing, the objective of this study was to characterize and evaluate the influence of different peach cultivars (‘Aurora’, ‘Biuti’, ‘Bonão’, ‘Centenário’, ‘Diamante’, ‘Douradão’, ‘Libra’, ‘Régis’ and ‘Tropical’) cultivated in tropical regions on the physicochemical characteristics, rheological properties and sensory acceptance of the resulting jelly. The evaluated cultivars presented great variability among themselves in relation to the physical and physicochemical characteristics. The jellies elaborated from these cultivars; although,...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Prunus persica (L.) Batsch; Sensory quality; Processing.
Ano: 2017 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0103-84782017001200203
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Intake and ingestive behavior of rams fed with increasing inclusions of babassu endocarp meal I in their diet (Orbignya spp.) Ciência Rural
Sá,Hemilly Cristina Menezes de; Borges,Iran; Macedo Junior,Gilberto de Lima; Neiva,José Neuman Miranda; Silva,Veridiana Basoni; Sousa,Jhone Tallison Lira de.
The objective of this work was to investigate the ingestive behavior of sheep fed with different inclusions of babassu endocarp meal I. The animals receive isofibrous, isoenergetic and isonitrogenous diets containing the by-product in increasing levels of inclusion (zero; 7,5%; 15%; 22,5%). Twenty rams were used in this study and distributed in four treatments with five repetitions each. The ingestive behavior was conducted over a period of 24 hours, with visual observations at 5 minutes intervals and the variables being: idle, ruminating, feeding and chewing. The study demonstrated that the dry matter intake in function of the body weight and the metabolic weight decreased linearly as the babassu endocarp meal I was included in the diet. The feeding,...
Tipo: Info:eu-repo/semantics/article Palavras-chave: By product; Fiber; Lambs; Processing; Ruminant.
Ano: 2014 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0103-84782014001102084
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Advanced lines of Jalapeño pepper with potential for mechanical harvesting Ciência Rural
Gomes,Lucas Matias; Ribeiro,Cláudia Silva da Costa; Ragassi,Carlos Francisco; Silva,Lorena Sousa; Reifschneider,Francisco José Becker.
ABSTRACT: The objective of this study was to evaluate the plant and fruit characteristics in advanced lines of Jalapeño pepper for mechanical harvesting. Thus, two experiments were carried out in the field. Experiment I (2015) was conducted as a randomized block design (three replications and eight plants per plot) and Experiment II (2016) in a completely randomized design (five replications and ten plants per plot). In 2015, lines CNPH 30,112, CNPH 30,118, CNPH 30,147, CNPH 30,159, CNPH 30,183, and CNPH 30,245 were evaluated, together with the control ‘BRS Sarakura’. Significant differences were detected for fruit and plant characteristics (P<0.05). Lines CNPH 30,118, CNPH 30,147, CNPH 30,159, and CNPH 30,245 were selected based on plant height and...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Capsicum annuum L.; Capsaicinoids; Breeding; Earliness; Processing; Soluble solids..
Ano: 2019 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0103-84782019000200151
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Influence of osmotic dehydration on bioactive compounds, antioxidant capacity, color and texture of fruits and vegetables: a review Ciência Rural
Landim,Ana Paula Miguel; Barbosa,Maria Ivone Martins Jacintho; Júnior,José Lucena Barbosa.
ABSTRACT: Osmotic dehydration (OD) is a conservation technique applied to foodstuffs, which promotes partial reduction of water, extends their shelf life and reduces both post-harvest losses and changes in product characteristics. Currently, it has been given emphasis on trying to understand how the process affects the quality of processed vegetables, because process variables can interfere in their antioxidant capacity, color and texture. Moreover, the antioxidant capacity can be affected by chemical changes, leaching losses, reduced moisture and solid gain as well as the present bioactive in the profile of the performed analysis method. In color, the overall changes are caused by temperature increase, which can cause enzymatic and/or non-enzymatic...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Processing; Quality; Phytochemicals.
Ano: 2016 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0103-84782016001001714
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Blackberry (Rubus spp.): influence of ripening and processing on levels of phenolic compounds and antioxidant activity of the 'Brazos' and 'Tupy' varieties grown in Brazil Ciência Rural
Zielinski,Acácio Antonio Ferreira; Goltz,Caroline; Yamato,Maira Akemi Casagrande; Ávila,Suelen; Hirooka,Elisa Yoko; Wosiacki,Gilvan; Nogueira,Alessandro; Demiate,Ivo Mottin.
Fruits from temperate and tropical climates which have high levels of antioxidant compounds are the source of numerous studies concerning the correlation with benefits to human health. The objectives of this study were to quantify the anthocyanins and phenolic compounds and also to measure the antioxidant activity (ferric reducing antioxidant power - FRAP) of blackberries from two varieties grown in southern Brazil ('Brazos' and 'Tupy') at three stages of ripening; unripe, semi-ripe, ripe and their products (pulp and fermented products). During fruit ripening it was observed that weight, size, diameter and sugars increase significantly and acidity decreased significantly. The anthocyanin content ranged from 4.19 (semi-ripe 'Tupy' variety) to 205.75mg...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Rubus spp.; Antioxidant activity; Ripening stage; Processing.
Ano: 2015 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0103-84782015000400744
Registros recuperados: 254
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