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| Genotypic and Environmental Variations of Arabinoxylan Content and Endoxylanase Activity in Barley Grains |
| ZHANG Xiao-qin, XUE Da-wei, WU Fei-bo , ZHANG Guo-ping |
1.Agronomy Department, Zhejiang University, Hangzhou 310058, P.R.China
2.College of Life and Environmental Sciences, Hangzhou Normal University, Hangzhou 310036, P.R.China |
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摘要 Arabinoxylan (AX) content in barley grains is an important quality determinant when barley is used as raw material of malt or beer production. The cultivar and environmental variations of total arabinoxylan (TAX), water extractable arabinoxylan (WEAX) and endoxylanase activity (EA) were investigated using eight barley cultivars growing at seven locations with diverse environmental conditions. The results showed that both barley cultivar and location significantly affected the TAX, WEAX and EA levels, but the variations of TAX content and EA were mainly attributed to cultivar, while the impact of location on WEAX content was greater than that of cultivar. Correlation analysis indicated that TAX was significantly correlated to WUAX.
Abstract Arabinoxylan (AX) content in barley grains is an important quality determinant when barley is used as raw material of malt or beer production. The cultivar and environmental variations of total arabinoxylan (TAX), water extractable arabinoxylan (WEAX) and endoxylanase activity (EA) were investigated using eight barley cultivars growing at seven locations with diverse environmental conditions. The results showed that both barley cultivar and location significantly affected the TAX, WEAX and EA levels, but the variations of TAX content and EA were mainly attributed to cultivar, while the impact of location on WEAX content was greater than that of cultivar. Correlation analysis indicated that TAX was significantly correlated to WUAX.
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Received: 23 July 2012
Accepted:
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| Fund: The study was supported by the Natural Science Foundation of Zhejiang Province, China (Y3100074) and the Social Development Scientific Research Project, Hangzhou Science and Technology Bureau, China (20100933B08). |
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Corresponding Authors:
Correspondence ZHANG Guo-ping, Tel/Fax: +86-571-88982115, E-mail: zhanggp@zju.edu.cn
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Cite this article:
ZHANG Xiao-qin, XUE Da-wei, WU Fei-bo , ZHANG Guo-ping.
2013.
Genotypic and Environmental Variations of Arabinoxylan Content and Endoxylanase Activity in Barley Grains. Journal of Integrative Agriculture, 12(8): 1489-1494.
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