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Enhancing malting performance of harder barley varieties through ultrasound treatment
Ultrasonics Sonochemistry ( IF 8.4 ) Pub Date : 2024-03-26 , DOI: 10.1016/j.ultsonch.2024.106860 Qingqing Qin , Lei Zhang , Hua Yin , Junhong Yu , Shumin Hu , Zhijun Zhang , Jia Liu
Ultrasonics Sonochemistry ( IF 8.4 ) Pub Date : 2024-03-26 , DOI: 10.1016/j.ultsonch.2024.106860 Qingqing Qin , Lei Zhang , Hua Yin , Junhong Yu , Shumin Hu , Zhijun Zhang , Jia Liu
Harder kernels of barley are regarded as one of the factors that restrict water and enzyme movement within the endosperm during malting. A comprehensive study of two domestic varieties was performed for evaluating malting quality. Both β-glucan and total protein content of the Chinese domestic barley (Ganpi-6 and Kenpi-14) were significantly higher than Copeland. Grain hardness of the Chinese domestic barley was higher and water uptake ratio was lower compared with the Copeland. During germination, the expression levels of , (major key regulatory enzymes for abscisic acid biosynthesis genes) were higher, whereas gibberelic acid (GA) synthesis genes (, , ) were lower in the Ganpi-6, Kenpi-14 compared with Copeland. These two domestic barley varieties also showed significantly lower limit dextrinase and β-glucanase activity compared with Copeland. Ultrasound treatment improved the malting quality of Ganpi-6 by enhancing water uptake and GA synthesis gene expression increased. Therefore, these findings provided insights into the future direction on the utilization of ultrasonication for the applications towards the improvement of the harder barley variety.
更新日期：2024-03-26
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