加热法去除豆粕中的抗营养因子是采用多少温度

2025-04-07 14:33:01
推荐回答(1个)
回答1:

答:
豆饼粕我主要蛋白质饲料其粗蛋白质含量(42%)高消化性各种必需氨基酸含量均较高且富含烟酸、泛酸、胆碱等各种维素失猪禽良饲料
粗蛋白质含量高由于榨油同般40%~50%间必需氨基酸含量高组合理尤其赖氨酸各种饼粕类饲料含量高达2.4%~2.8%相于棉仁饼、菜饼、花饼两倍赖氨酸与精氨酸比例较恰约100∶130与量玉米少量鱼粉配伍特别适于家禽氨基酸营养需要豆饼粕色氨酸(0.68%)苏氨酸(1.88%)含量高与玉米等谷实类配合起氨基酸互补作用
豆饼粕缺点蛋氨酸含量足略低于菜饼粕葵花仁饼粕略高于棉仁饼粕花饼粕主要使用豆饼粕粮般要另外添加DL-蛋氨酸才能满足物营养需要
利用能量豆饼粕粗纤维含量(5.1%)高主要自豆皮氮浸物主要蔗糖、棉糖、水苏糖及糖类淀粉含量低故所含利用能量较高饼粕类饲料共同点豆饼粕脂肪含量与加工式关般说压榨饼残留脂肪较4%左右故能值较高;浸提粕残留脂肪少1%左右故比饼类能值低
维素、矿物质豆饼粕胡萝卜素(仅每千克0.2毫克~0.4毫克)、硫胺素核黄素(每千克3毫克~6毫克)含量低烟酸泛酸含量稍高(每千克15毫克~30毫克)胆碱含量丰富(达2200毫克~2800毫克)含残留脂肪较及储存间短豆饼粕维素E含量高矿物质钙少磷约61%磷植酸磷微量元素硒含量低尤其东北缺硒区产豆饼粕更严重
豆含胰蛋白酶抑制、血细胞凝集素、致甲状腺肿物质、抗维素、植酸、脲酶、豆抗原、赖丙氨酸、皂甙、雌激素、胀气等抗营养物质
数豆饼粕规产程由于加热失降低或丧失其害作用我些区采用土榨油加热足或溶剂浸提产豆粕温度间控制都使豆饼粕现现象其所含害物质物产良影响
重要抗营养胰蛋白酶抑制引起物抑制、胰腺肥胰腺增其家禽影响另抗营养豆抗原主要豆球蛋白、α-伴豆球蛋白、β-伴豆球蛋白、g-伴豆球蛋白引起猪犊牛肠道敏反应腹泻主要原其主要抗原豆球蛋白β-伴豆球蛋白

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