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Effect of feeding grape seed Proanthocyanidin extract on production performance, metabolic and anti-oxidative status of dairy cattle Arq. Bras. Med. Vet. Zootec.
Huang,Y.; Oikonomou,G.; Hu,J.; Li,Y.; Du,X.; Du,Y.; Liu,Y.; Zhang,P.; Wang,P.; Yu,H.; Tu,J.; Kakatsidis,N.; Colina,A.H.; He,B..
ABSTRACT Aims to investigate the effects of grape seed proanthocyanidin extract (GSPE) on production performance, metabolism, and anti-oxidative status of Holstein dairy cattle in early lactation. Forty-eight multiparous Holstein dairy cattle were assigned to four groups (CON, G20, G40 and G80) and supplied with 0, 20, 40, and 80mg GSPE/kg of body weight/day. G20 significantly increased milk yield compared with other groups. Milk protein and non-fat-solids were increased in G20, G40 and G80 groups compared with the control group only at the 7th day during the experiment. No significant difference was observed in milk fat and somatic cell count, nor on parameters of energy metabolism in blood, liver function and kidney function between the four groups....
Tipo: Info:eu-repo/semantics/article Palavras-chave: Dairy cattle; Grape seed; Proanthocyanidin; Milk production; Antioxidant properties.
Ano: 2019 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0102-09352019000401207
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The role of condensed tannins in ruminant animal production: advances, limitations and future directions R. Bras. Zootec.
Naumann,Harley D.; Tedeschi,Luis O.; Zeller,Wayne E.; Huntley,Nichole F..
ABSTRACT Tannins represent one of the most abundant polyphenolic compounds in plants. Tannins exist as a multitude of chemically unique entities in nature. The most commonly occurring tannins are typically divided into two major classes based on chemical structure: hydrolysable (HT) or condensed tannins (CT). Hydrolysable tannins are esters of gallic or ellagic acid linked to a polyol core, typically glucose. Condensed tannins or proanthocyanidins consist of flavan-3-ol subunits linked together to form oligomers and polymers. Both HT and CT are defined as astringent, medium-to-high-molecular weight polyphenolic compounds that characteristically bind and precipitate soluble proteins. The objective of this paper was to present recent advances in CT-ruminant...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Anthelmintic; Bypass protein; Hydrolysable tannin; Methane; Polyphenol; Proanthocyanidin.
Ano: 2017 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-35982017001200929
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有色水稻中花青素的種類及其功能探討 Taiwan Agricultural Research Institute
施怡如; 鄭統隆; 曾東海; 王強生; Yi-Ju Shih; Toong-Long Jeng; Tong-Hai Tseng; Chang-Sheng Wang.
[[abstract]]在水稻豐富的種原中包含許多種具有顏色的穀粒,稱為有色米。有色米的色素主要 分佈於穎果皮或是種皮,其色素主要是由花青素所構成。花青素是植物所特有的多酚類 化合物,也是類黃酮代謝路徑所衍生的化合物,植物主要的花青素有紫紅色的矢車菊 素、橘紅色的天竺葵素及藍紫色的飛燕草素等三種,均為抗氧化物,可抑制脂質過氧化, 並具有清除自由基的能力。水稻植株各部位均會累積花青素,而以有色米之穎果皮含量 最高。利用HPLC 分析結果顯示,大部分紫黑色穎果皮品種主要含有cyanidin-3-glucoside 及peonidin-3-glucoside 二種花青素;褐色穎果皮的色素是一種聚合的類黃酮稱為原花 青素。有色米的動物試驗發現,含有花青素的米糠層可抑制老鼠及兔子粥狀動脈硬化 症,主要是藉由改善類固醇的累積和減少氧化逆境及發炎所致。有色米似乎具有保健的 功能,如能進一步研究,應可提高水稻的利用價值。
Palavras-chave: 水稻 有色米 花青素 原花青素 抗氧化活性 Rice; Colored rice; Anthocyanins; Proanthocyanidin; Anti-oxidative activity [[classification]]3.
Ano: 2004
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