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2022年我国小麦品质分析 (网络首发、推荐阅读)
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Analysis on the Quality of Wheat in China in 2022 (Online First, Recommended Article)
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    摘要:

    基于我国小麦种植品种、面积及分布区域,2022年采集十二个省份新收获小麦样品1 377份,进行理化品质和食品加工品质评价及分析。结果表明:2022年小麦籽粒粗蛋白质和湿面筋含量均值分别为13.1%和29.6%,面筋指数平均值为69。面团流变学参数中,吸水量均值63.2 mL,稳定时间均值6.7 min;拉伸曲线面积、延伸性和最大拉伸阻力均值分别为75 cm2、140 mm和398 EU。所有样品进行面条和馒头加工品质评价、强筋品种和湿面筋含量≤25%的样品分别进行面包和蛋糕加工品质评价,面条、馒头、面包和蛋糕评分均值分别是79分、75分、73分和69分。1.7%的样品符合GB/T 17892— 1999《优质小麦 强筋小麦》的要求,1.3%的样品符合GB/T 17893—1999《优质小麦 弱筋小麦》的要求。44.9%、31.4%和2.8%的样品分别符合GB/T 17320—2013《小麦品种品质分类》品质分类、优质小麦和优质强筋小麦的要求。56.0%和3.0%的样品分别符合LS/T 3109—2017《中国好粮油 小麦》品质分类和强筋硬麦的要求。这些结果表明我国小麦食品加工品质整体一般,蒸煮食品品质评分高于烘焙食品,但亦有少数食品加工品质优异的品种育成并在生产上种植。

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    Based on varieties, area and distribution of wheat in China, 1 377 newly harvested wheat samples from 12 provinces were collected in 2022. The physio-chemical quality as well as end-use quality evolutions were carried out, and the current quality status of wheat were analyzed. The results showed that the average crude protein content and gluten content of wheat were 13.1% and 29.6%, respectively, and the mean gluten index was 69. Among the rheological parameters of dough, the water absorption of flour was 63.2 mL, and the average stability time was 6.7 min. The mean tensile curve area, elongation and maximum tensile resistance were 75 cm2, 140 mm and 398 EU, respectively. All samples were evaluated for the processing quality of noodles and steamed bread, and samples with strong gluten wheat varieties and wet gluten content ≤25% were evaluated for the processing quality of bread and cake, respectively. The average scores of noodles, steamed bread, bread and cake were 79, 75, 73 and 69 points, respectively. Only 1.7% of the samples met the requirements of “High quality wheat-Strong gluten wheat” (GB/T 17892—1999), while 1.3% of the samples met the requirements of “High quality wheat-Weak gluten wheat” (GB/T 17893—1999). In addition, 44.9%, 31.4% and 2.8% of the samples met the requirements of quality classification, high-quality wheat and high-quality strong gluten wheat in “Quality classification of wheat varieties” (GB/T 17320—2013), respectively, and 56.0% and 3.0% of the samples met the requirements of quality classification and strong gluten hard wheat in “The Grain & Oil Products of China-Wheat” (LS/T 3109—2017), respectively. The results showed that the processing quality of wheat in China was general, and the food quality of steamed food was higher than that of baked food. A few varieties with excellent food processing quality bred were also planted.

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吴海彬,孙 辉*,洪 宇,常 柳,段晓亮,马 航,荆晓萱,周桂英.2022年我国小麦品质分析 (网络首发、推荐阅读)[J].粮油食品科技,2024,32(2):92-99.

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  • 在线发布日期: 2024-03-22
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