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Effects of betaine on the growth of the fish piauçu, Leporinus macrocephalus BABT
Normandes,Edivaldo Bento; Barreto,Rodrigo Egydio; Carvalho,Robson Francisco; Delicio,Helton Carlos.
In this study was tested the effect of betaine on the growth performance of the piauçu fish. For this, twenty-one fish (mean ± SD: body weight: 14.9 ± 1.3 g) were randomly distributed in one out of three experimental treatments (n = 7 each; 1 fish/aquarium): without betaine added in the food (control); 3.6 g betaine/Kg of food; 7.1 g betaine/Kg of food. The fish were exposed to experimental conditions for 60 days. Fish presented significant growth throughout experimentation, but no statistically significant difference was found for any parameter analyzed among the treatments, except for condition factor, which was higher in control group than betaine ones. Accordingly, it was concluded that betaine had no enhancing effect on growth of piauçu.
Tipo: Info:eu-repo/semantics/article Palavras-chave: Growth; Betaine; Fish; Feeding behavior.
Ano: 2006 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-89132006000600010
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Effects of Dietary Protein Level and Betaine Supplementation on Nutrient Digestibility and Performance of Japanese Quails Rev. Bras. Ciênc. Avic.
Ratriyanto,A; Indreswari,R; Nuhriawangsa,AMP.
ABSTRACT This study investigated the effects of dietary protein levels and betaine supplementation on nutrient digestibility and performance of Japanese quails. In total, 765 Japanese quails were randomly assigned to a 3×3 factorial arrangement, with five replicates of 17 quails each. Three basal diets were formulated to contain three crude protein levels (16.5, 18.0, and 19.5%). Each protein level was supplemented with 0, 0.06, and 0.12% betaine. The diet with 16.5% dietary crude protein with no betaine supplementation resulted in the lowest crude fiber digestibility, while the 18.0% CP diet supplemented with 0.12% betaine generated the highest crude fiber digestibility (p<0.05). The diets with 18.0 and 19.5% crude protein increased crude fiber...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Betaine; Digestibility; Laying Japanese quails; Performance; Protein.
Ano: 2017 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-635X2017000300445
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Improvement of Bread-making Quality by the Addition of Betaine OAK
葛西, 大介; 輿水, 美奈; 大庭, 潔; 長谷川, 秀樹; 名倉, 泰三; 山内, 宏昭; 韓, 圭鎬; 島田, 謙一郎; 福島, 道広.
近年,機能性が注目されているベタインを一般的な加工食品に利用することを目的に,食パン生地にベタインを高配合したときの製パン性に与える影響を検討した.まず,食パンに,ベタインをパン生地の小麦粉に対して1∼5%添加したところ,生地からのガス発生量は,ベタイン添加量に依存して減少し,ホイロ時間が増加した.特に,機能性付与を目的とした5 %の配合では,製パン性は大きく劣化し,比容積は11%低下した.次に,食パンにベタインを高濃度に配合したときの影響を低減する方法として,ミキシング前に添加する方法に対して,ミキシング後半に添加した場合の食パンの物理特性や食感に及ぼす影響を詳細に調べた.その結果,ベタイン添加によるガス発生量およびガス保持性の低下は,ミキシング後半に添加することで大幅に改善し,比容積も有意に(p<0.05)改善した.ベタイン添加による比容積の低下は,クラムの硬さと高い負の相関がみられ,クラムの硬さが有意に(p<0.05)増加するとともに,クラストの硬さが低下したが,ベタインの添加をミキシング後半とすることで,ネガティブコントロールの硬さに近い値にまで改善された.これらの結果は,食感に関する官能評価の結果とも一致していた.走査型電子顕微鏡(SEM)による生地の組織像から,ベタインを高配合すると,ミキシングおよび発酵時にグルテンネットワークの形成が十分に形成できていないこと,ミキシング後半の添加とすることで,無添加の生地に近い状態に改善する様子が観察された.以上の結果から,食パンにベタインを高配合する場合は,添加時期を遅らせることで製パン性への影響を小さくできると考えられた.
Palavras-chave: ベタイン; 製パン性; パン生地; 物性; Betaine; Bread-making quality; Dough; Physical property.
Ano: 2016 URL: http://ir.obihiro.ac.jp/dspace/handle/10322/4520
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The effect of organic osmoprotectors on Aeromonas trota and A. hydrophila grown under high sodium chloride concentrations BJM
Delamare,Ana Paula L.; Dalcin,Thais; Müller,Gabriela; Costa,Sergio Olavo Pinto da; Echeverrigaray,Sergio.
The effect of organic solutes on the growth of Aeromonas trota and A. hydrophila was evaluated. Proline and glutamic acid were not effective as osmoprotectors, but betaine exerts osmoprotection allowing the growth of both strains in inhibitory concentrations of NaCl. Growth kinetics suggests that the halotolerance difference between the strains is associated with the synthesis of osmolytes rather than betaine uptake.
Tipo: Info:eu-repo/semantics/article Palavras-chave: Halotolerance; Betaine; Aeromonas.
Ano: 2003 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1517-83822003000500044
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The effects of Post-Hatch Feeding with Betaine on the Intestinal Development of Broiler Chickens Rev. Bras. Ciênc. Avic.
Norouzian,H; Alirezaei,M; Dezfoulian,O; Taati,M.
ABSTRACT The capacity of the chicken intestinal tract to digest and absorb nutrients is not fully developed on the day of hatch. The aim of this study was to investigate the role of betaine on the intestinal development of broiler chickens, including brush border enzyme activities indices and morphological changes during the first week of growth. Fiftyone-day-old Ross 308 broiler chickens were randomly distributed into five groups: control (C), low methionine(LM), low methionine plus betaine (LM+B), betaine 1 (B1) and betaine 2 (B2). Betaine was dissolved with a concentration of 500 mg/L in the drinking water of LM+B and B1groups and a concentration of 1000 mg/L in the B2 group. Histological assessment showed lower duodenal crypt depth and villi...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Intestinal development; Betaine; Broilers; Morphology; Brush border enzymes.
Ano: 2018 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-635X2018000300403
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