資源描述:
《我國(guó)棉粕和棉籽蛋白營(yíng)養(yǎng)成分和棉酚含量調(diào)研》由會(huì)員上傳分享,免費(fèi)在線閱讀,更多相關(guān)內(nèi)容在行業(yè)資料-天天文庫(kù)。
1、●tT●t8RlCUL『uRAE華北農(nóng)學(xué)報(bào)·2010,25(增刊):301—304l●REnLI—SInIC^我國(guó)棉粕和棉籽蛋白營(yíng)養(yǎng)成分和棉酚含量調(diào)研王安平,一,呂云峰,一,張軍民,趙青余,王加啟,田科雄(1.中國(guó)農(nóng)業(yè)科學(xué)院北京畜牧獸醫(yī)研究所,動(dòng)物營(yíng)養(yǎng)學(xué)國(guó)家重點(diǎn)實(shí)驗(yàn)室,北京100193;2.湖南農(nóng)業(yè)大學(xué)動(dòng)物營(yíng)養(yǎng)研究所,湖南長(zhǎng)沙410128;3.華南農(nóng)業(yè)大學(xué),廣東廣州510642)摘要:本試驗(yàn)旨在調(diào)查研究我國(guó)不同產(chǎn)地的棉粕和棉籽蛋白的營(yíng)養(yǎng)成分和棉酚含量。采集全國(guó)不同主產(chǎn)區(qū)的5個(gè)棉粕樣品和5個(gè)棉籽蛋白樣品測(cè)定其常規(guī)營(yíng)養(yǎng)成分和棉酚含量。結(jié)果表明,棉粕的粗蛋白、粗脂肪、酸
2、性洗滌纖維營(yíng)養(yǎng)成分含量分別為39.28%,0.28%,21.60%,棉籽蛋白的粗蛋白、粗脂肪、酸性洗滌纖維營(yíng)養(yǎng)成分含量分別為51.96%,0.75%,13.29%,其中,在棉粕和棉籽蛋白所有營(yíng)養(yǎng)成分中粗脂肪和鈣兩項(xiàng)變異系數(shù)最大,粗蛋白變異系數(shù)最小。棉粕和棉籽蛋白的游離棉酚含量分別為1021.14mg/kg和687.75mg/kg。不同主產(chǎn)區(qū)棉粕和棉籽蛋白的粗蛋白含量穩(wěn)定,而粗脂肪和鈣含量差異較大;棉粕游離棉酚含量較高。關(guān)鍵詞:棉粕;棉籽蛋白;營(yíng)養(yǎng)成分;棉酚中圖分類(lèi)號(hào):$562文獻(xiàn)標(biāo)識(shí)碼:A文章編號(hào):1000—7091(2010)增刊一0301—04StudyofN
3、utritionalCompositionandGossypolContentofCottonseedMealandCottonseedProteininChinaWANGAn—ping‘,LUYun.feng,ZHANGJun.rain,ZHAOQing.yu,WANGJia.qi,TIANKe.xiong(1.StateKeyLaboratoryofAnimalNutrition,InstituteofAnimalSciences,ChineseAcademyofAcultura1.,Sciences,Beijing100193,China;2.College
4、ofAnimalScienceandTechnology,HunanAgriculturalUniversity,Changsha410128,China;3.SouthChinaAgriculturalUniversity,Guangzhou510642,China)Abstract:Thisexperimentwasdesignedtostudythenutritionalcompositionandgossypolcontentofcottonseedmeal(CSM)andcottonseedprotein(CSP)producedfromdifferen
5、tareasinChina.5ofCSMand5kindsofCSPwerecollectedfromdiferentareasinChina.a(chǎn)ndthentheirnutrientcompositionandgossypolcontentweredeter.mined.,I1leresultshowedthat:thepercentageofcrudeprotein(CP),etherextract(EE),aciddetergentfiber(ADF)inCSMwere39.28%,0.28%,21.60%,respectively.thepercentag
6、eofCP,EE,ADFinCSPwere51.96%,O.75%,13.29%,respectively.Inallthenutritionalcomposition.thecontentofEEandcalcium(Ca)werethetwohighest,whilethecontentofCPwasthelowest.Andthefreegossypol(rG)contentofCSMandCSPwere1021.14mg/kgand687.75me,/kg,respectively.Theseresultsindicatedthat:thecontento
7、fCPwasstablewhilethecontentofEEandCahadalargevariationintheCSMandCSPfromdifferentareas:theFGcontentofCSMwashigher.Keywords:Cottonseedmeal;Cottonseedprotein;Nutritionalcomposition;Gossypol棉粕和棉籽蛋白都是優(yōu)質(zhì)的蛋白質(zhì)原料,可以一步研究我國(guó)棉籽餅粕和棉籽蛋白的營(yíng)養(yǎng)價(jià)值及棉提高動(dòng)物生產(chǎn)性能,降低飼料成本¨。我國(guó)每年有酚含量,對(duì)于促進(jìn)棉籽餅粕及棉籽蛋白的合理利用1000萬(wàn)t以上的棉籽,
8、年產(chǎn)棉籽餅