Quality and Correlation Analysis of Ningchun No.4 Wheat
The quality characteristics of 144 Ningchun No.4 wheat samples collected from four cities of Ningxia in the range of 2016 to 2022 were analyzed.The correlation between the quality parameters were studied to discover the determinants of the quality.The results indicated that the quality of Ningchun No.4 wheat was mainly manifested as medium gluten quality,and the proportion of medium-strong gluten was low,meeting the requirements for noo-dles and hard steamed bread wheat.The wheat had different quality grades and quality characteristics in different years and regions as well.The prediction models of stability,energy and water absorption were constructed,and the results indicated that wet gluten,extensibility,gluten index and crude protein content were positively correlated with the stability,and the correlation coefficients were 0.373,0.315,0.347 and 0.746,respectively.Crude protein content,maximum resistance and extensibility were positively correlated with the energy,and the correlation coeffi-cients were 0.129,0.987 and 0.229.Gluten index and sedimentation index were positively correlated with the water absorption,and the correlation coefficients were 0.727 and 0.524.
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