Establishment and application of an accurate identification method for fragrant soybeans

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 r...

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Main Authors: Yong-fang ZHANG, Chun-yan ZHANG, Bo ZHANG, Man YIN, Hui-long HONG, Li-li YU, Hua-wei GAO, Yong-zhe GU, Zhang-xiong LIU, Fu-heng LI, Li-juan QIU
Format: Article
Language:English
Published: Elsevier 2021-05-01
Series:Journal of Integrative Agriculture
Subjects:
Online Access:http://www.sciencedirect.com/science/article/pii/S2095311920633287
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author Yong-fang ZHANG
Chun-yan ZHANG
Bo ZHANG
Man YIN
Hui-long HONG
Li-li YU
Hua-wei GAO
Yong-zhe GU
Zhang-xiong LIU
Fu-heng LI
Li-juan QIU
author_facet Yong-fang ZHANG
Chun-yan ZHANG
Bo ZHANG
Man YIN
Hui-long HONG
Li-li YU
Hua-wei GAO
Yong-zhe GU
Zhang-xiong LIU
Fu-heng LI
Li-juan QIU
author_sort Yong-fang ZHANG
collection DOAJ
description 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 temperature 70°C, sample injector temperature 180°C, optimum extraction alcohol content 1 mL, NaCl content 0.1 g, ultrasonication time 10 min, and extraction time 1 h, which were established by using the orthogonal test of single factors and three factors with four levels (L9 (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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spelling doaj.art-d084fa411efa4fa0bc63b41fb1a0ddb72022-12-21T22:53:04ZengElsevierJournal of Integrative Agriculture2095-31192021-05-0120511931203Establishment and application of an accurate identification method for fragrant soybeansYong-fang ZHANG0Chun-yan ZHANG1Bo ZHANG2Man YIN3Hui-long HONG4Li-li YU5Hua-wei GAO6Yong-zhe GU7Zhang-xiong LIU8Fu-heng LI9Li-juan QIU10College 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; Correspondence QIU Li-juan, Tel: +86-10-82105843, Fax: +86-10-82105840, ZHANG Yong-fang, LI Fu-heng, Tel/Fax: +86-451-55190002National 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.ChinaSchool of Plant and Environmental Sciences, Virginia Polytechnic Institute and State University, Blacksburg, VA 24060, USANational 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.ChinaNational 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.ChinaNational 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.ChinaNational 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.ChinaNational 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.ChinaNational 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.ChinaCollege of Life Sciences, Northeast Agricultural University, Harbin 150030, P.R.China; Correspondence QIU Li-juan, Tel: +86-10-82105843, Fax: +86-10-82105840, ZHANG Yong-fang, LI Fu-heng, Tel/Fax: +86-451-55190002National 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; Correspondence QIU Li-juan, Tel: +86-10-82105843, Fax: +86-10-82105840, ZHANG Yong-fang, LI Fu-heng, Tel/Fax: +86-451-55190002In 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 temperature 70°C, sample injector temperature 180°C, optimum extraction alcohol content 1 mL, NaCl content 0.1 g, ultrasonication time 10 min, and extraction time 1 h, which were established by using the orthogonal test of single factors and three factors with four levels (L9 (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.http://www.sciencedirect.com/science/article/pii/S2095311920633287soybean2-acetyl-1pyrrolineGC-MSquantification methodgermplasm
spellingShingle Yong-fang ZHANG
Chun-yan ZHANG
Bo ZHANG
Man YIN
Hui-long HONG
Li-li YU
Hua-wei GAO
Yong-zhe GU
Zhang-xiong LIU
Fu-heng LI
Li-juan QIU
Establishment and application of an accurate identification method for fragrant soybeans
Journal of Integrative Agriculture
soybean
2-acetyl-1pyrroline
GC-MS
quantification method
germplasm
title Establishment and application of an accurate identification method for fragrant soybeans
title_full Establishment and application of an accurate identification method for fragrant soybeans
title_fullStr Establishment and application of an accurate identification method for fragrant soybeans
title_full_unstemmed Establishment and application of an accurate identification method for fragrant soybeans
title_short Establishment and application of an accurate identification method for fragrant soybeans
title_sort establishment and application of an accurate identification method for fragrant soybeans
topic soybean
2-acetyl-1pyrroline
GC-MS
quantification method
germplasm
url http://www.sciencedirect.com/science/article/pii/S2095311920633287
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