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Open AccessArticle

Environmental Stability of Elevated α-Linolenic Acid Derived from a Wild Soybean in Three Asian Countries

1
School of Applied Biosciences, Kyungpook National University, Daegu 41566, Korea
2
Department of Genetics and Plant Breeding, Faculty of Agriculture, Bangabandhu Sheikh Mujibur Rahman Agricultural University, Gazipur 1706, Bangladesh
3
Agricultural Genetics Institute, Bac Tu Liem, Hanoi 10000, Vietnam
4
Maize and Cash Crops Research Center, Vientiane P.O. Box 7170, Laos
5
Division of Plant Biotechnology, College of Agriculture and Life Science, Chonnam National University, Gwangju 61186, Korea
6
Department of Crop Science and Biotechnology, Dankook University, Cheonan 16890, Korea
*
Author to whom correspondence should be addressed.
Agriculture 2020, 10(3), 70; https://doi.org/10.3390/agriculture10030070
Received: 31 January 2020 / Revised: 2 March 2020 / Accepted: 7 March 2020 / Published: 9 March 2020
(This article belongs to the Special Issue Genetics and Breeding of Soybean)
Soybean has been consumed in Asia traditionally as a staple food. Soybean can be a source of essential fatty acids—linoleic (18:2, ω-6) and α-linolenic acid (18:3, ω-3)—for humans. Intake of fatty acids with high ω-3 concentration or low ω-6/ω-3 ratios is more desirable for human health. However, in soybean, the unsaturated fatty acids are less stable than the saturated fatty acids in different environments. The objective of the present study is to expand the understanding of the environmental stability of elevated α-linolenic acid of soybean genotypes with alleles from wild soybean grown in three Asian countries. The results highlighted an environmental effect on the accumulation of 18:3, following the growth of soybean genotypes with elevated α-linolenic acid in eight environments. Particularly, temperature influenced the accumulation of 18:3 concentration. The soybean genotype, UT-385-4-4, produced the highest 18:3 concentration and is more stable than all the other soybean genotypes, excluding PT-100-3. UT-385-4-4 is a potential genetic resource to develop novel cultivars with high 18:3 concentration, which could be dietary sources of plant-derived ω-3 fatty acids. View Full-Text
Keywords: wild soybean; α-Linolenic acid; Omega-3; subtropical region wild soybean; α-Linolenic acid; Omega-3; subtropical region
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Jo, H.; Kim, M.; Ali, L.; Tayade, R.; Jo, D.; Le, D.T.; Phommalth, S.; Ha, B.-K.; Kang, S.; Song, J.T.; Lee, J.-D. Environmental Stability of Elevated α-Linolenic Acid Derived from a Wild Soybean in Three Asian Countries. Agriculture 2020, 10, 70.

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