| 挤压参数对玉米-小麦混合粉挤压特性的影响 |
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| 引用本文： | 张志森,谭志光,李爱军,唐书泽.挤压参数对玉米-小麦混合粉挤压特性的影响[J].食品科学,2006,27(5):156-158. |
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| 作者姓名： | 张志森 谭志光 李爱军 唐书泽 |
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| 作者单位： | 暨南大学理工学院食品科学与工程系 |
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| 摘 要： | 以玉米-小麦混合粉为原料,用正交设计方法进行挤压试验,研究了两种配比的混合物料在挤压过程中的挤压特性。单指标评价表明,对产品容重影响的顺序是:水分含量、物料配比、加热温度和螺杆转速及模口形状;进一步用主成分分析方法对指标向量进行综合评价发现,影响顺序为:加热温度、水分含量、模口形状、螺杆转速及物料配比。用主成分分析的方法得到较好的试验条件为:温度160℃、水分含量20%、圆形模口、螺杆转速245r/min及物料配比1:1。
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| 关 键 词： | 挤压操作参数 正交设计 挤压特性 主成分分析 |
| 文章编号： | 1002-6630（2006）05-0156-03 |
| 收稿时间： | 2005-10-30 |
| 修稿时间： | 2005-10-30 |
Effect of Extrusion Parameters on Characteristics of Corn-Cereal Powder Extrudate |
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| ZHANG Zhi-sen,TAN Zhi-guang,LI Ai-jun,TANG Shu-ze.Effect of Extrusion Parameters on Characteristics of Corn-Cereal Powder Extrudate[J].Food Science,2006,27(5):156-158. |
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| Authors: | ZHANG Zhi-sen TAN Zhi-guang LI Ai-jun TANG Shu-ze |
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| Affiliation: | Department of Food Science and Engineering, Jinan University, Guangzhou 510632, China |
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| Abstract: | Orthogonal extrusion experiments with corn/cereal mixture as raw material are put forward. The extrudates characteristics are studied under two proportion treatments. By single-index evaluation, it is found that the important order are moisture content, proportion, die temperature, screw speed and die type. Furthermore, principal components method is employed on evaluation of the experimental effects, it is found that the important order are changed with die temperature, moisture content, die type, screw speed and proportion. The proper experimental conditions under the latter method are: 160℃ of dietemperature, 20% of moisture content, hole type of die, 245r/min of screw speed and proportion 1:1. |
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| Keywords: | extrusion process parameters orthogonal design extrusion characteristics principal component analysis |
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