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한국 재래종 콩 유전자원의 이소플라본 함량과 수량관련형질에 대한 연차간 비교
윤혜명(Hyemyeong Yoon),이정윤(Jungyoon Yi),케베데 타예 데스타(Kebede taye Desta),신명재(Myong-Jae Shin),이윤정(Yoonjung Lee),이수경(Sukyeung Lee),왕샤오한(Xiaohan Wang),최유미(Yu-Mi Choi),이성우(Sungwoo Lee) 한국육종학회 2021 한국육종학회지 Vol.53 No.4
In this study, composition and agronomic traits, including yield-related traits, were investigated and compared among 35 Korean landracegermplasm for two years (2019 and 2020). The contents of 12 isoflavones were measured using high-performance liquid chromatography, and agronomictrait data were collected according to the Rural Development Administration criteria. Comparing isoflavone composition between the two years,all isoflavones, except glycitein, were generally higher in 2019. The values of yield-related and major agronomic traits decreased in most accessionsin 2020. ANOVA showed highly significant differences (p<0.001) in genotypes, years, and genotype-by-year interaction for all isoflavones, the numberof pods per plant, and 100-seed weight. The number of seeds per pod, days to flowering, and days to maturity also showed significant differencesamong genotypes, as well as between the two years. Correlation analysis revealed that daidzin and genistin were positively correlated with theirmalonylated form. Malonyl daidzin was also positively correlated with malonyl genistin levels. The accessions with the least variation in the totalisoflavone content were IT 153844 (907.5 μg/g, 898.6 μg/g) and IT 252252 (663.2 μg/g, 636.4 μg/g). Some of the evaluated landraces will bea promising genetic source for developing soybean varieties with high levels of environmental stability in isoflavone content and agronomic traits.
Choi, Yu-Mi,Hyun, Do Yoon,Lee, Sukyeung,Yoon, Hyemyeong,Lee, Myung-Chul,Oh, Sejong,Ko, Ho-Cheol,Shin, Myoung-Jae,Hur, Onsook,Yi, Jung Yoon,Desta, Kebede Taye The Plant Resources Society of Korea 2020 한국자원식물학회지 Vol.33 No.1
Pigeon pea (Cajanus cajan) is an important legume species that produces seeds that are rich in phenolic compounds and dietary nutrients. The aim of the present study was to evaluate the agricultural characters, phenolic and nutritional contents, and antioxidant capacities of seeds from 82 pigeon pea germplasms cultivated in the Republic of Korea. The accessions exhibited compact (24.39%), semi-spreading (74.39%), or spreading (1.22%) growth habits and determinate (89.02%), indeterminate (8.54%), or semi-determinate (2.44%) flowering patterns. Days to 75% maturity ranged from 30 to 72 d, and yield per plant ranged from 6.00 to 148.60 g. Meanwhile, total phenolic, crude protein, crude fiber, and dietary fiber contents ranged from 16.42 ± 0.62 to 29.67 ± 0.43 mg gallic acid equivalent per g of dried extract, from 16.76 ± 6.74% to 22.61 ± 0.05%, from 4.70 ± 0.24 to 8.63 ± 0.02%, and from 12.98 ± 0.71 to 33.19 ± 1.50%, respectively. In addition, DPPH radical-scavenging capacity ranged from 1.61 ± 0.10 to 16.04 ± 2.30 mg ascorbic acid equivalent per g of dried extract, and Trolox equivalent antioxidant capacity ranged from 3.03 ± 0.86 to 42.24 ± 0.72 mg Trolox equivalent per g of dried extract. Phenolic content was correlated with both DPPH radical-scavenging capacity (r = 0.63) and Trolox equivalent antioxidant capacity (r = 0.29). Nine accessions (IT170290, IT170291, IT170270, IT170276, IT170379, IT170386, IT170388, IT170418, and IT170340) exhibited early maturity, compact and erect growth habits, and above average antioxidant activities and phenolic and protein contents. In addition, accessions IT170290 and IT170291 were especially promising pigeon pea germplasms to grow, owing to various favorable characteristics (e.g., high yield and dietary fiber content). Hence, these accessions could be useful cultivars to the Republic of Korea if considered in future agricultural systems.
Xiaohan Wang(Xiaohan Wang),Yu-Mi Choi(Yu-Mi Choi),Sukyeung Lee(Sukyeung Lee),Myoung-Jae Shin(Myoung-Jae Shin),Jung Yoon Yi(Jung Yoon Yi),Kebede Taye Desta(Kebede Taye Desta ),Hyemyeong Yoon(Hyemyeong 한국자원식물학회 2022 한국자원식물학회지 Vol.35 No.6
Traditional germplasms are unsuitable for mechanized production, limiting adzuki bean production. The creation of cultivars that can be harvested by mechanized means is an urgent task for breeders. The bottom pod height (BPH), lodging resistance, and synchronous maturing of adzuki beans are critical factors for the reduction of losses due to mechanized harvesting. In this study, 14 traits of 806 adzuki bean accessions were analyzed. All growth stages and the yield, lodging score, and synchronous maturing correlated negatively with the BPH. These negative correlations reflect the increased difficulty of breeding to simultaneously satisfy the needs for no lodging, high synchronous maturing rates, BPHs > 10 ㎝, and high yield. We screened three germplasms with no lodging, high synchronous maturing rates, and BPHs > 10 ㎝ that were used as mechanization-adapted breeding material for crossing with high-yield cultivars. Agronomic trait diversity in adzuki beans was also examined in this study. Principal component and cluster analyses were conducted for 806 germplasms resulting in three clusters with the yield and three growth stage traits serving as the main discriminating factors. Cluster 1 included high-yield germplasms with the number of pods per plant and the number of seeds per pod being the major discriminant factors. Cluster 2 included germplasms with long growth periods and large 100-seed weights while cluster 3 contained germplasms with high BPHs. In general, the characteristics that make mechanical harvesting feasible and those assessed in this study could be utilized to choose and enhance adzuki beans production.
Choi Yu-Mi,Yoon Hyemyeong,Lee Sukyeung,Yoon Hyun Do,Lee Myung-Chul,Oh Sejong,Rauf Muhammad 한국식물학회 2021 Journal of Plant Biology Vol.64 No.1
The primary bioactive components of buckwheat seeds, rutin, and quercetin, have health-related benefits such as anti-inflammatory, antioxidant, anti-diabetic, and anti-cancerous. In the current study, we characterized the agro-morphological traits of diverse tartary buckwheat germplasm accessions under the spring cultivation and estimated the major flavonoid contents of seeds. The content of rutin and quercetin ranged from 4354.1 to 17,196.01 and 8.9 to 611.7 µg g−1 DW, respectively. The highest content of rutin was found in ‘C9714’ collected from China. The highest and lowest content of quercetin was found in Indian accessions ‘I8345’ and ‘I8622’, respectively. Moreover, we found that accessions with dark-brown seed coat color had a significantly higher mean rutin content than that of accessions with other seed coat color. In the principal component analysis, the first three components (PC1, PC2, and PC3) accounted for 77.14% of the total variation. The number of nodes and branches, number of days to flower, and maturity were the main contributors of variability to PC1. The 1000-seed weight was the main contributor of variability to PC2; whereas, the rutin and quercetin were the main contributors of variation to PC3. We identified nine accessions with the rutin content above 10,000 µg g−1 DW and three accessions with quercetin content above 40 µg g−1 DW. The selected accessions could be used as a nutritional source of health-related bioactive metabolites.
Choi, Yu-Mi,Yoon, Hyemyeong,Lee, Sukyeung,Ko, Ho-Cheol,Shin, Myoung-Jae,Lee, Myung-Chul,Oh, Sejong,Desta, Kebede Taye The Plant Resources Society of Korea 2020 한국자원식물학회지 Vol.33 No.6
Isoflavone contents in soybean seeds are affected by both genetic and environmental factors. Correlation analysis between these factors and isoflavone contents are considered as valuable inputs when breeding improved soybean cultivars. In this study, the seeds of 49 soybean accessions grown in Korea were grouped as black, yellow, green, yellowish-green, pale yellow, and green with a black spot based on their seed coat colors. The contents of 12 isoflavones were analyzed and the association between isoflavone content and seed coat color was determined. The accessions were also grouped as early, intermediate, and late-maturing based on their days to maturity. Out of the 12 isoflavones, 11 were found in 2 accessions, 9 in 18 accessions, 8 in 11 accessions, 7 in another 11 accessions, and 6 in 7 accessions. The total isoflavone content (TIC) in black, yellow, green, yellowish-green, pale yellow, and green with black spot soybeans was in the ranges 2.110 ~ 5.777, 2.487 ~ 4.733, 2.185 ~ 4.413, 2.681 ~ 4.065, 1.827 ~ 4.085, and 3.376 ~ 4.133 mg/g, respectively. The average TIC was highest in green with black spot soybeans (3.616 mg/g), and lowest in pale yellow soybeans (2.875 mg/g). Besides, the average TIC was lowest in early maturing accessions compared to late- and intermediate-maturing accessions. TIC was strongly correlated to malonylgenistin (r = 0.91) and malonyldaidzin (r = 0.78) contents, and poorly correlated to glycitein (r = 0.04) and malonylglycitin (r = 0.18) contents. Also, days to maturity showed strong correlation with malonylgenistin (r = 0.47) content and TIC (r = 0.38). The principal component analysis outlined accessions with high TIC and diverse isoflavones along the first and second components, respectively. The results of the present study depicted that green soybeans with a black spot could be sources of high TIC. Furthermore, late-maturing accessions with diverse isoflavones in their seeds could be useful in future agricultural systems in Korea.
( Yu-mi Choi ),( Hyemyeong Yoon ),( Myoung-jae Shin ),( Yoonjung Lee ),( Sukyeung Lee ),( On Sook Hur ),( Na Young Ro ),( Ho-cheol Ko ),( Jeongyoon Yi ),( Sang Hoon Lee ),( Heon-woong Kim ),( Yu Jin H 한국육종학회 2021 Plant Breeding and Biotechnology Vol.9 No.1
Several environmental and genetic factors affect the isoflavone and anthocyanin contents in soybeans. This study aimed to assess the influences of cotyledon color and harvest period on the contents of five major isoflavones and three major anthocyanins in 323 black soybean landraces grown in Korea. In all the soybeans, malonylgenistin, malonyldaidzin and cyanidin-3-O-glucoside were the foremost components. The total isoflavone (TIC) and total anthocyanin (TAC) contents were in the ranges of 491.29-1998.39 μg/g and 452.60-2789.37 mg/100 g on dry weight basis, respectively. Both the average TIC and TAC were higher in green cotyledon soybeans (1493.93 μg/g and 1656.05 mg/100 g, respectively) than in yellow cotyledon soybeans (1423.09 μg/g and 1489.30 mg/100 g, respectively). With respect to the harvest period, the average TIC was in the order of Late-October (1517.31 μg/g) > Mid-October (1454.54 μg/g) > Early-October (1340.95 μg/g). Moreover, the average TAC decreased in the order of Late-October (1765.76 mg/100 g) > Mid-October (1503.93 mg/100 g) > Early-October (1350.91 mg/100 g). In general, cotyledon color appeared to cause a significant variation on TAC (P < 0.05) but not on TIC, whereas the harvest period appeared to cause significant variations on both the TAC and TIC. Among the 323 landraces, 20 were identified to contain high TIC ( > 1800 μg/g) and TAC (> 2000 mg/100 g) in their seeds and hence, could be considered as important sources of dietary isoflavones and anthocyanins. Besides, they possibly provide a wide spectrum of options if considered during the development of improved soybean genotypes.
Kebede Taye Desta,윤혜명(Hyemyeong Yoon),신명재(Myoung-Jae Shin),이수경(Sukyeung Lee),Xiaohan Wang,최유미(Yu-Mi Choi),전영아(Young-ah Jeon),주영광(YoungKwang Ju),이정윤(JungYoon Yi) 한국작물학회 2023 한국작물학회지 Vol.68 No.3
Seed color is controlled by several genes and is a key trait in determining the metabolite content and biological activities of legume genotypes. In this study, 296 adzuki bean accessions, including 159 grey, 99 red, and 38 white adzuki beans, were grown in Korea. Variations in total phenolic content (TPC), total saponin content (TSC), DPPH• scavenging activity, ABTS•+ scavenging activity, and ferric reducing antioxidant power (FRAP) were assessed and were reported to be in the ranges of 1.52- 8.24 mg GAE/g, 14.36-114.22 mg DE/g, 0.23-12.84 mg AAE/g, 1.05-17.66 mg TE/g, and 0.59-13.14 mg AAE/g, respectively, with a wide variation across adzuki beans. Except for DPPH• scavenging activity, the average values declined in the order gray > red > white adzuki beans, each demonstrating a significant variation (p < 0.05). White adzuki beans, which showed low metabolite content and antioxidant activity, were clearly separated from the gray and red genotypes using principal component and hierarchical cluster analyses. Moreover, TPC, TSC, and antioxidant activities were strongly correlated, regardless of seed color. Overall, the diversity of the TPC, TSC, and antioxidant activity in a broad population of adzuki bean genotypes was determined. Furthermore, this study found that seed color variation in adzuki beans had a significant effect on the metabolite content and antioxidant activity. Superior accessions with high levels of TPC, TSC, and antioxidant activity were also discovered and could be used for functional plant breeding and human consumption. The findings of this study may be useful for understanding the relationship between seed coat color and metabolite concentration in adzuki beans, paving the way for molecular-level analyses.