Analysis on the Difference of Quality Characteristics of Different Flour Flow of Wheat Milling System
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摘要: 通过对小麦制粉系统各粉路面粉品质特性的研究,可为实现在线配粉、达成专用粉的开发提供技术支撑。本研究以小麦制粉过程中39个粉路面粉为研究对象,通过系统全面测定面粉白度、湿面筋含量、蛋白质含量、淀粉糊化特性、粉质参数和拉伸参数,比较不同粉路面粉品质差异性,运用主成分分析、因子分析和聚类分析方法分析不同粉路面粉间的品质变化规律。研究发现:前路心粉白度、淀粉糊化特性普遍高于其它粉路;后路心粉淀粉糊化特性、稳定时间、粉质质量指数普遍低于其它粉路;皮粉面团形成时间、稳定时间、粉质质量指数、拉伸面积、延伸度高于其它粉路;皮粉和重筛粉蛋白质含量、湿面筋含量普遍高于心粉。主成分分析发现前4个主成分累计方差贡献率达87.6321%,基本上能综合粉路面粉品质特性的大部分信息;根据面粉品质特性,利用聚类分析可以将39个粉路分为四类,第一类包括18个粉路,第二类包括12个粉路,第三类包含5个粉路,第四类包含4个粉路。检测结果可作为生产不同专用粉的参考和依据,同时为改进小麦粉加工企业制粉工艺提供参考。Abstract: The purpose of this research was to determine wheat quality characteristics of individual flour flow, to better define their functional characteristics in flour blending, and to develop patent flour with certain quality specifications. In this study, flour whiteness, wet gluten content, protein content, starch pasting properties, farinograms parameters, and extensograms parameters were investigated among the 39 individual flour flows. The quality differences were assayed by principal component analysis, factor analysis and cluster analysis. The results showed that the whiteness and starch pasting properties of the former streams of core flour were generally higher than those of other flour flow; The starch pasting properties, stabilization time and farinograph quality index of the latter break streams of core flour were generally lower than those of other mill streams; The dough development time, stabilization time, farinograph quality index, extensibility area and extensibility of the flour from break system were higher than those of other mill streams; The content of protein and gluten in the flour from break system and re-sieve flour was generally higher than that in core flour. Principal component analysis showed that the first four principal components contributed 87.6321% of cumulative variance, and basically synthesize most information of flour quality characteristics. According to the quality characteristics of flour, the flour sample in 39 individual flour flows can be divided into four categories by cluster analysis. The first category comprises 18 flour flows, the second category comprises 12 flour flows, the third category comprises 5 flour flows and the fourth category comprises 4 flour flows. The results can be used as a reference and basis for developing patent flour with certain quality specifications in the commercial mills.
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Key words:
- wheat /
- milling systems /
- different flour flow /
- quality characteristics /
- differences
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图 1 小麦制粉系统各粉路面粉白度值
Figure 1. Whiteness value of different flour flow of wheat milling system
注:1:1M1中,2:1M1下,3:1M2上,4:1M2中,5:1M2下,6:1M3上,7:1M3中,8:2M1上,9:2M1中,10:2M2上,11:2M2中,12:2M2下,13:3M1上,14:3M1中,15:3M2上,16:3M2中,17:3M2下,18:4M上,19:4M中,20:5M上,21:5M下,22:6M上,23:6M下,24:7M下,25:1S1,26:1S2,27:2S, 28:1T, 29:2T ,30:3BC, 31:4BC ,32:5BC ,33:3BF, 34:4BF ,35:D1上,36:D1D2上,37:D1D3上,38:D2上,39:D3上;不同字母表示差异显著(P˂0.05),图2~图5同。
表 1 粉路简称说明表
Table 1. Abbreviations of different flour flow of wheat milling system
编号 粉路简称 说明 编号 粉路简称 说明 编号 粉路简称 说明 1 1M1中 1心1路中路粉 14 3M1中 3心1路中路粉 27 2S 2渣粉 2 1M1下 1心1路下路粉 15 3M2上 3心2路上路粉 28 1T 1尾粉 3 1M2上 1心2路上路粉 16 3M2中 3心2路中路粉 29 2T 2尾粉 4 1M2中 1心2路中路粉 17 3M2下 3心2路下路粉 30 3BC 皮磨3路粗麸粉 5 1M2下 1心2路下路粉 18 4M上 4心上路粉 31 4BC 皮磨4路粗麸粉 6 1M3上 1心3路上路粉 19 4M中 4心中路粉 32 5BC 皮磨5路粗麸粉 7 1M3中 1心3路中路粉 20 5M上 5心上路粉 33 3BF 皮磨3路细麸粉 8 2M1上 2心1路上路粉 21 5M下 5心下路粉 34 4BF 皮磨4路细麸粉 9 2M1中 2心1路中路粉 22 6M上 6心上路粉 35 D1上 重筛1路上路粉 10 2M2上 2心2路上路粉 23 6M下 6心下路粉 36 D1D2上 重筛1路2路上路混合粉 11 2M2中 2心2路中路粉 24 7M下 7心下路粉 37 D1D3上 重筛1路3路上路混合粉 12 2M2下 2心2路下路粉 25 1S1 1渣1路粉 38 D2上 重筛2路上路粉 13 3M1上 3心1路上路粉 26 1S2 1渣2路粉 39 D3上 重筛3路上路粉 表 2 小麦制粉系统各粉路面粉淀粉糊化特性
Table 2. Pasting properties of different flour flow of wheat milling system
样品序号 样品名称 峰值粘度(RVU) 低谷粘度(RVU) 衰减度
(RVU)最终粘度(RVU) 回生值
(RVU)糊化温度
(℃)1 1M1中 244.79±1.99e 170.54±1.40de 74.25±3.25bcde 281.20±1.58ef 110.66±0.16cdefg 67.12±0.88ab 2 1M1下 271.50±2.44b 196.54±1.86a 74.95±0.70bcde 312.54±0.28ab 116.00±1.59bcd 56.07±2.08de 3 1M2上 246.04±1.31e 177.46±1.43cd 71.00±2.77cdef 281.87±2.07ef 114.00±2.52cdef 50.40±0.56e 4 1M2中 264.83±1.14c 194.91±0.90a 69.91±2.17cdef 308.62±0.63b 115.41±0.90bcd 66.90±0.56ab 5 1M2下 278.46±0.02a 189.87±7.29ab 91.21±3.66a 315.79±2.19a 123.62±0.95b 50.60±0.07e 6 1M3上 243.58±4.44e 183.62±7.17bc 59.96±2.60ghij 289.08±5.17cd 105.45±2.01efghi 50.72±0.81e 7 1M3中 268.33±3.10bc 192.50±4.20ab 75.83±1.23bcd 308.42±2.14b 115.92±2.05bcd 51.30±1.06e 8 2M1上 232.66±4.09f 156.87±14.1f 75.79±9.90bcd 270.25±5.18g 113.37±8.97cdefg 66.00±1.77ab 9 2M1中 242.45±2.73e 172.96±8.15de 69.50±11.0def 282.46±2.79def 109.50±5.35cdefg 50.32±0.53e 10 2M2上 257.50±1.96d 176.37±1.44cd 81.12±3.53b 292.41±5.76c 116.04±7.18bcd 65.62±0.18ab 11 2M2中 265.12±0.45c 189.42±2.44ab 75.70±2.12bcd 305.79±0.52b 116.37±2.94bcd 58.10±10.11cd 12 2M2下 276.58±4.90a 193.33±3.02a 83.25±8.06ab 310.62±1.22ab 117.29±4.23bc 66.20±0.85ab 13 3M1上 204.04±0.33ij 139.25±1.49g 64.79±1.29fghi 235.75±4.82jk 96.50±6.29ijk 62.05±5.45bc 14 3M1中 205.29±6.20ij 140.62±7.32g 64.67±1.23fghi 231.92±3.55jkl 95.46±2.13jk 50.37±0.53e 15 3M2上 242.00±2.64e 175.83±4.76cd 66.17±7.25efgh 280.33±6.14f 104.50±10.92fghij 67.20±0.99ab 16 3M2中 252.87±1.05d 176.29±1.67cd 76.58±0.76bcd 287.95±1.25cde 111.66±0.40cdefg 65.92±0.46ab 17 3M2下 244.92±1.14e 165.71±0.45e 79.21±0.82bc 278.87±6.64f 113.16±6.18cdefg 65.10±0.56ab 18 4M上 197.33±2.55kl 132.54±1.55g 64.79±4.24fghi 227.62±3.26lm 95.08±1.72k 66.10±1.06ab 19 4M中 201.04±2.37jk 133.54±0.37g 67.50±2.89defg 229.54±2.43klm 96.00±2.08jk 66.20±0.92ab 20 5M上 176.10±0.16n 111.96±0.73hi 64.12±0.70fghi 196.83±1.17p 84.87±1.88l 66.40±0.15ab 21 5M下 147.08±2.98q 89.29±1.20j 57.79±1.65hijk 166.67±1.43q 77.37±0.24l 66.15±0.35ab 22 6M上 133.92±0.28r 85.54±5.21j 48.37±5.06klmn 162.33±3.78q 76.79±1.40l 54.92±0.46de 23 6M下 118.95±0.45s 71.12±0.25k 47.83±0.06lmn 134.83±0.57s 63.70±0.82m 68.02±0.39a 24 7M下 78.29±1.04t 46.54±1.43l 31.75±0.53o 92.41±4.84t 45.87±3.43n 50.97±0.60e 25 1S1 209.08±0.78hi 155.33±0.04f 54.37±2.12jklm 260.50±0.13h 104.29±0.12ghij 67.57±0.10ab 26 1S2 220.25±0.16g 153.83±1.93f 66.33±2.07efgh 261.37±0.19h 107.54±2.13defgh 50.77±0.74e 27 2S 211.45±1.51h 154.08±1.96f 57.37±0.59hijk 251.87±5.14i 97.79±3.19ijk 67.00±0.94ab 28 1T 169.75±1.2o 113.83±6.76hi 55.91±7.84ijklm 213.75±1.99o 99.91±4.78hijk 52.92±0.04de 29 2T 118.71±0.57s 75.66±1.93k 43.04±2.36n 143.04±0.66r 67.37±2.61m 55.07±0.88de 30 3BC 191.70±1.04m 135.33±1.14g 56.37±0.24ijkl 249.71±3.14i 114.37±2.01bcde 50.40±0.42e 31 4BC 163.9±1.37p 114.25±5.10hi 49.66±3.60klmn 222.91±3.29mn 108.67±1.84cdefgh 63.97±4.28ab 32 5BC 162.75±1.09p 105.54±1.40i 57.21±2.36hijkl 237.66±3.05j 132.12±1.64a 52.22±3.01e 33 3BF 164.8±2.46p 113.29±4.26hi 51.58±1.94jklmn 220.12±1.22no 106.83±5.47defgh 53.87±2.65de 34 4BF 136.67±4.16r 89.58±0.31j 47.08±3.72mn 196.71±3.96p 107.12±3.67defgh 52.22±2.93e 35 D1上 190.16±2.67m 133.00±0.15g 57.17±2.65hijkl 245.70±1.58i 112.71±1.40cdefg 53.30±3.61de 36 D1D2上 242.75±2.20e 166.12±1.91e 76.62±4.24bcd 284.17±3.52def 118.04±5.41bc 51.20±0.14e 37 D1D3上 193.9±2.40lm 136.96±1.79g 56.96±0.48hijkl 246.12±1.58i 109.16±3.35cdefgh 50.57±0.03e 38 D2上 219.04±0.22g 151.17±0.67f 67.87±0.59defg 265.41±1.55gh 112.75±3.72cdefg 56.12±4.56de 39 D3上 177.12±0.57n 119.41±0.51h 57.71±0.94hijk 228.4±0.87lm 108.96±0.34cdefgh 52.50±0.49de 注:同列不同小写字母表示样品间差异显著(P˂0.05)。 表 3 小麦制粉系统各粉路面粉品质特性相关性分析
Table 3. Correlation analysis of flour quality characteristics of different flour flow of wheat milling system
因子 蛋白质
含量吸水率 形成
时间稳定
时间粉质质
量指数湿面筋
含量面筋
指数峰值
粘度衰减度 回生值 拉伸
面积拉伸
阻力延伸度 最大拉
伸阻力拉伸
比例吸水率 0.379* 形成时间 0.548** −0.088 稳定时间 −0.041 −0.420** 0.581** 粉质质量指数 0.026 −0.348* 0.649** 0.876** 湿面筋
含量0.374* −0.172 0.728** 0.656** 0.636** 面筋指数 −0.073 −0.091 0.202 0.294 0.334* 0.475** 峰值粘度 −0.772** −0.629** −0.035 0.536** 0.450** 0.192 0.318* 衰减度 −0.742** −0.455** −0.052 0.397* 0.326* 0.129 0.339* 0.915** 回生值 −0.208 −0.587** 0.472** 0.719** 0.700** 0.703** 0.582** 0.747** 0.676** 拉伸面积 0.396* 0.017 0.672** 0.554** 0.548** 0.726** 0.430** 0.063 0.039 0.537** 拉伸阻力 −0.557** −0.332* 0.030 0.491** 0.482** 0.199 0.316* 0.772** 0.690** 0.664** 0.368* 延伸度 0.606** 0.066 0.641** 0.372 0.348* 0.686** 0.367* −0.214 −0.207 0.314 0.863** −0.084 最大拉伸阻力 −0.126 −0.216 0.410** 0.631** 0.617** 0.516** 0.403* 0.509** 0.429** 0.693** 0.808** 0.827** 0.435** 拉伸比例 −0.765** −0.276 −0.354* 0.196 0.191 −0.215 0.027 0.723** 0.664** 0.345* −0.197 0.824** −0.616** 0.389* 最大拉伸比例 −0.658** −0.308 −0.121 0.386* 0.380* −0.006 0.122 0.750** 0.655** 0.495** 0.139 0.945** −0.339* 0.688** 0.923** 注:*:5%水平显著相关;**:1%水平显著相关。 表 4 主成分特征值与贡献率
Table 4. Eigenvalues and contribution rates of principal components
主成分 特征值 百分率(%) 累计百分率(%) 主成分 特征值 百分率(%) 累计百分率(%) 1 8.2070 45.5942 45.5942 10 0.0952 0.5287 99.0553 2 5.1019 28.3440 73.9382 11 0.0641 0.3559 99.4112 3 1.4038 7.7988 81.7370 12 0.0450 0.2501 99.6613 4 1.0611 5.8951 87.6321 13 0.0276 0.1535 99.8148 5 0.6001 3.3341 90.9662 14 0.0164 0.0913 99.9061 6 0.5190 2.8833 93.8495 15 0.0093 0.0516 99.9577 7 0.3909 2.1718 96.0213 16 0.0057 0.0315 99.9892 8 0.2701 1.5005 97.5218 17 0.0017 0.0095 99.9987 9 0.1809 1.0048 98.5266 18 0.0002 0.0013 100 表 5 主成分载荷矩阵
Table 5. The loading matrix of principal components
成分 PC1 PC2 PC3 PC4 成分 PC1 PC2 PC3 PC4 白度 0.6155 −0.1237 0.6081 0.2970 衰减度 0.6278 −0.0212 0.5437 0.2782 蛋白质含量 −0.6500 0.5142 −0.4690 −0.1298 回生值 0.3711 0.5828 0.5658 0.3217 吸水率 −0.1032 −0.1062 −0.8494 0.0911 峰值时间 0.3864 0.2131 0.7390 0.2308 形成时间 −0.2054 0.8783 0.0726 −0.0908 拉伸面积 0.1427 0.8921 −0.2033 0.2988 稳定时间 0.2688 0.7275 0.4825 −0.0565 拉伸阻力 0.9222 0.2583 0.1996 0.1307 粉质质量指数 0.2631 0.7522 0.4097 −0.0779 延伸度 −0.3289 0.7813 −0.1779 0.3577 湿面筋含量 −0.1016 0.8283 0.2292 0.2869 最大拉伸阻力 0.6637 0.6777 0.0066 0.2090 面筋指数 0.1032 0.2809 0.1693 0.8589 拉伸比例 0.9061 −0.2308 0.2477 −0.1092 峰值粘度 0.6588 0.0508 0.6950 0.1849 最大拉伸比例 0.9659 0.0687 0.1950 −0.0592 -
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