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Establishment and application of an accurate identification method for fragrant soybeans

机译：芳香大豆精确识别方法的建立与应用

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摘要

In order to screen the aroma characteristics of soybean,a new method was established which can quickly quantify the content of 2-acetyl-1pyrroline(2-AP),an important compound related to soybean aroma,using gas chromatography-mass spectrometry(GC-MS).Based on peak profile,total peak area and retention time as test indexes,an accurate identification method for fragrant soybeans was established.The optimum parameters of the protocol consisted of column temperature70℃,sample injector temperature 180℃,optimum extraction alcohol content 1 m L,Na Cl content 0.1 g,ultrasonication time10 min,and extraction time 1 h,which were established by using the orthogonal test of single factors and three factors with four levels(L_9(3)^4).2-AP content of leaves had significant correlations with seeds,which were easier to measure.The protocol was simple and easy to carry out,consumed only small amounts of reagents,and provided accurate and reliable results with good reproducibility.A total of 101 soybean genotypes from different geographical sources were analyzed using this protocol.The results showed that the average content of 2-AP was 0.29 mg L^(–1),ranging from 0.094 to 1.816 mg L^(–1),and the genetic diversity index was 0.54.Among all genotypes-tested,they were classified into three grades,including seven elite genotypes identified as"grade one fragrant soybeans",which were Zhonglong 608,Heinong 88,Ha13-2958,Hongmiandou,Heinong 82,Huangmaodou,and Jiyu 21.These results provide both an identification technique and several elite aroma genotypes for gene discovery and good quality breeding in soybean.

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  • 来源
    《农业科学学报（英文版）》 |2021年第5期|1193-1203|共11页
  • 作者

    ZHANG Yong-fang; LI Fu-heng; QIU Li-juan; ZHANG Chun-yan; ZHANG Bo; YIN Man; HONG Hui-long; YU Li-li; GAO Hua-wei; GU Yong-zhe; LIU Zhang-xiong;

  • 作者单位

    College of Life Sciences Northeast Agricultural University Harbin 150030 P.R.China;

    College of Life Sciences Shanxi Datong University Datong 037009 P.R.China;

    National Key Facility for Crop Gene Resources and Genetic Improvement (NFCRI)/Key Laboratory of Germplamsm Utilization Ministry of Agriculture and Rural Affairs/Institute of Crop Sciences Chinese Academy of Agricultural Sciences Beijing 100081 P.R.China;

    College of Life Sciences Northeast Agricultural University Harbin 150030 P.R.China;

    National Key Facility for Crop Gene Resources and Genetic Improvement (NFCRI)/Key Laboratory of Germplamsm Utilization Ministry of Agriculture and Rural Affairs/Institute of Crop Sciences Chinese Academy of Agricultural Sciences Beijing 100081 P.R.China;

    National Key Facility for Crop Gene Resources and Genetic Improvement (NFCRI)/Key Laboratory of Germplamsm Utilization Ministry of Agriculture and Rural Affairs/Institute of Crop Sciences Chinese Academy of Agricultural Sciences Beijing 100081 P.R.China;

    School of Plant and Environmental Sciences Virginia Polytechnic Institute and State University Blacksburg VA 24060 USA;

    National Key Facility for Crop Gene Resources and Genetic Improvement (NFCRI)/Key Laboratory of Germplamsm Utilization Ministry of Agriculture and Rural Affairs/Institute of Crop Sciences Chinese Academy of Agricultural Sciences Beijing 100081 P.R.China;

    National Key Facility for Crop Gene Resources and Genetic Improvement (NFCRI)/Key Laboratory of Germplamsm Utilization Ministry of Agriculture and Rural Affairs/Institute of Crop Sciences Chinese Academy of Agricultural Sciences Beijing 100081 P.R.China;

    National Key Facility for Crop Gene Resources and Genetic Improvement (NFCRI)/Key Laboratory of Germplamsm Utilization Ministry of Agriculture and Rural Affairs/Institute of Crop Sciences Chinese Academy of Agricultural Sciences Beijing 100081 P.R.China;

    National Key Facility for Crop Gene Resources and Genetic Improvement (NFCRI)/Key Laboratory of Germplamsm Utilization Ministry of Agriculture and Rural Affairs/Institute of Crop Sciences Chinese Academy of Agricultural Sciences Beijing 100081 P.R.China;

    National Key Facility for Crop Gene Resources and Genetic Improvement (NFCRI)/Key Laboratory of Germplamsm Utilization Ministry of Agriculture and Rural Affairs/Institute of Crop Sciences Chinese Academy of Agricultural Sciences Beijing 100081 P.R.China;

    National Key Facility for Crop Gene Resources and Genetic Improvement (NFCRI)/Key Laboratory of Germplamsm Utilization Ministry of Agriculture and Rural Affairs/Institute of Crop Sciences Chinese Academy of Agricultural Sciences Beijing 100081 P.R.China;

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