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擠壓加工參數(shù)對重組米崩解值的影響
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國家農(nóng)業(yè)科技成果轉(zhuǎn)化資金資助項目（2007GB2B200089）和黑龍江省教育廳科學(xué)技術(shù)重點資助項目(12511Z006)


Effect of Extrusion Processing Parameters on Breakdown Value of Restructuring Rice
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    摘要:

    采用二次正交旋轉(zhuǎn)組合試驗，借助粘度速測儀（RVA）綜合考查了機筒溫度、物料含水率、螺桿轉(zhuǎn)速和L-a-磷脂酰膽堿質(zhì)量分數(shù)4個參數(shù)對擠壓重組米崩解值的影響。推導(dǎo)出描述重組米崩解特性的二次回歸模型，并對參數(shù)進行響應(yīng)面分析，得出4個因素對重組米崩解值的影響大小依次為機筒溫度、L-a-磷脂酰膽堿質(zhì)量分數(shù)、螺桿轉(zhuǎn)速、物料含水率。通過頻數(shù)選優(yōu)，崩解值較佳時各參數(shù)范圍分別為：機筒溫度71.1～75.5 ℃、物料含水率29.2%～30.5%、螺桿轉(zhuǎn)速185～208 r/min、L-a-磷脂酰膽堿質(zhì)量分數(shù)0.44%～0.55%。經(jīng)試驗驗證，在此條件下獲取的擠壓重組米，崩解值平均為1 221 cp，滿足常規(guī)稻米對重組米崩解值（大于1200cp）特性的要求。

    Abstract:

    The aid of the combination design of quadratic orthogonal rotation was adopted to analyze the effects of barrel temperature, material moisture, screw speed, L-a-PC addition on breakdown value of restructuring rice, and the quadratic regression model of rice breakdown characteristics was deduced. Then a response surface method was employed to obtain the effect order of four factors on the yield of restructuring rice: barrel temperature, L-a-PC addition, screw speed and material moisture. Through frequency excellent-choosing, the optimization breakdown parameter range respectively was: barrel temperature of 71.1～75.5℃, moisture of material of 29.2%～30.5%, rotation speed of extruder of 185～208 r/min, L-a-PC addition of 0.44%～0.55%. The restructuring rice that obtained under these conditions, after repeated experimental verification, the average of value of breakdown of restructuring rice was 1221 cp, to meet feature requests that the general breakdown of rice to cooking rice (more than 1200 cp). 

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鄭廣釗,肖志剛,孫樹坤,王利民,劉宇欣,李杰.擠壓加工參數(shù)對重組米崩解值的影響[J].農(nóng)業(yè)機械學(xué)報,2012,43(2):121-127,169. Zheng Guangzhao, Xiao Zhigang, Sun Shukun, Wang Limin, Liu Yuxin, Li Jie. Effect of Extrusion Processing Parameters on Breakdown Value of Restructuring Rice[J]. Transactions of the Chinese Society for Agricultural Machinery,2012,43(2):121-127,169.

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  • 在線發(fā)布日期: 2012-02-17
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