Pub Date : 2018-01-01DOI: 10.7740/kjcs.2018.63.2.140
Doobo Shim, Kitae Song, Chan Young Park, Seung-Ho Jeon, J. Hwang, Eun-Ju Kang, Jong Cheol Kim, S. Shim
본 논문은 수수에 엽면처리된 과산화수소의 한발 스트레스 완화 효과가 있는지 알아보기 생리적 연구를 실시하였다. 수분 스트레스가 가장 심한 -0.15 MPa와 -0.20 MPa에서 과산화수소 처리에 의한 발아율 증가가 20%로 발아율의 차이가 가장 크게 조사되었다. 이는 과산화수소가 발아 과정에서 자극을 주어 대사 활성을 유...
{"title":"Effects of Hydrogen Peroxide on Germination and Early Growth of Sorghum (Sorghum bicolor)","authors":"Doobo Shim, Kitae Song, Chan Young Park, Seung-Ho Jeon, J. Hwang, Eun-Ju Kang, Jong Cheol Kim, S. Shim","doi":"10.7740/kjcs.2018.63.2.140","DOIUrl":"https://doi.org/10.7740/kjcs.2018.63.2.140","url":null,"abstract":"본 논문은 수수에 엽면처리된 과산화수소의 한발 스트레스 완화 효과가 있는지 알아보기 생리적 연구를 실시하였다. 수분 스트레스가 가장 심한 -0.15 MPa와 -0.20 MPa에서 과산화수소 처리에 의한 발아율 증가가 20%로 발아율의 차이가 가장 크게 조사되었다. 이는 과산화수소가 발아 과정에서 자극을 주어 대사 활성을 유...","PeriodicalId":22717,"journal":{"name":"The Korean Journal of Crop Science","volume":"10 1","pages":"140-148"},"PeriodicalIF":0.0,"publicationDate":"2018-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"74446143","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2018-01-01DOI: 10.7740/KJCS.2018.63.3.239
이주원, 이유정, 이주희, 조민식, 최도진, 마무현, Hong-Sik Kim, Dae-Ok Kim, 윤홍태, Yong-Ho Kim
Soybean produces three major types of isoflavones, daidzein, genistein, and glycitein aglycones and their glucosides and malonylglucosides. It has been known that malonylated glucosides are rapidly converted to their corresponding aglycones due to the unstable thermolabile glucoside malonates; therefore, the analytical study of malonylated glucosides has been insufficient. In this study, we analyzed the malonylglucoside content in soybean seeds. Isoflavone analysis of three soybean cultivars revealed that 81.5~90.0% of the total isoflavones were malonylglucosides, whereas aglycones were rarely detected. Moreover, the total isoflavone content increased during a 5-day germination period where growth regulators and coumaric acid treatments tended to yield higher isoflavone content than the normal germination treatment, however the differences were not significant; notably, the isoflavone accumulation trend continued with additional germination days. The content of malonylglucoside was higher than that of other isoflavones, which was 83.7~86.6% of the total isoflavone content in seeds with a 3-day germination period. Furthermore, isoflavones were significantly accumulated in the hypocotyl of seedlings with a 5-day germination period. The content of isoflavone in the hypocotyl of the Pungsannamul-kong was 10,240 ug/g when treated with coumaric acid, which was considerably higher than that of other cultivars and treatments. Additionally, soybean seeds heated at 60°C for 1 hour produced higher isoflavone content than non-heated soybean seeds. Our results show that it is possible to increase the isoflavone content in soybean seeds through various treatments.
{"title":"Quantification of Isoflavone Malonylglucosides in Soybean Seed during Germination","authors":"이주원, 이유정, 이주희, 조민식, 최도진, 마무현, Hong-Sik Kim, Dae-Ok Kim, 윤홍태, Yong-Ho Kim","doi":"10.7740/KJCS.2018.63.3.239","DOIUrl":"https://doi.org/10.7740/KJCS.2018.63.3.239","url":null,"abstract":"Soybean produces three major types of isoflavones, daidzein, genistein, and glycitein aglycones and their glucosides and malonylglucosides. It has been known that malonylated glucosides are rapidly converted to their corresponding aglycones due to the unstable thermolabile glucoside malonates; therefore, the analytical study of malonylated glucosides has been insufficient. In this study, we analyzed the malonylglucoside content in soybean seeds. Isoflavone analysis of three soybean cultivars revealed that 81.5~90.0% of the total isoflavones were malonylglucosides, whereas aglycones were rarely detected. Moreover, the total isoflavone content increased during a 5-day germination period where growth regulators and coumaric acid treatments tended to yield higher isoflavone content than the normal germination treatment, however the differences were not significant; notably, the isoflavone accumulation trend continued with additional germination days. The content of malonylglucoside was higher than that of other isoflavones, which was 83.7~86.6% of the total isoflavone content in seeds with a 3-day germination period. Furthermore, isoflavones were significantly accumulated in the hypocotyl of seedlings with a 5-day germination period. The content of isoflavone in the hypocotyl of the Pungsannamul-kong was 10,240 ug/g when treated with coumaric acid, which was considerably higher than that of other cultivars and treatments. Additionally, soybean seeds heated at 60°C for 1 hour produced higher isoflavone content than non-heated soybean seeds. Our results show that it is possible to increase the isoflavone content in soybean seeds through various treatments.","PeriodicalId":22717,"journal":{"name":"The Korean Journal of Crop Science","volume":"108 1","pages":"239-247"},"PeriodicalIF":0.0,"publicationDate":"2018-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"75957917","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2018-01-01DOI: 10.7740/KJCS.2018.63.4.304
Ji-Young Park, S. Lee, I. Choi, H. Choi, Dong-Sun Shin, H. Park, Sang‐Ik Han, Sea-Kwan Oh
본 연구는 쌀 품종의 가공처리에 따른 우수성 증대를 위해 저항전분을 함유한 고아밀로스 품종인 도담쌀 및 고아미4호와 중간아밀로스 쌀인 일미를 로스팅 처리하여 특성을 비교하였다. 일미는 로스팅 처리전후 저항전분 함량이 모두 1% 미만으로 차이가 없는 결과를 보였고, 저항전분 함유 쌀 품종인 고아미 4호와 도담쌀 ...
{"title":"Starch Content and in vitro Hydrolysis Index of Rice Varieties Containing Resistant Starch","authors":"Ji-Young Park, S. Lee, I. Choi, H. Choi, Dong-Sun Shin, H. Park, Sang‐Ik Han, Sea-Kwan Oh","doi":"10.7740/KJCS.2018.63.4.304","DOIUrl":"https://doi.org/10.7740/KJCS.2018.63.4.304","url":null,"abstract":"본 연구는 쌀 품종의 가공처리에 따른 우수성 증대를 위해 저항전분을 함유한 고아밀로스 품종인 도담쌀 및 고아미4호와 중간아밀로스 쌀인 일미를 로스팅 처리하여 특성을 비교하였다. 일미는 로스팅 처리전후 저항전분 함량이 모두 1% 미만으로 차이가 없는 결과를 보였고, 저항전분 함유 쌀 품종인 고아미 4호와 도담쌀 ...","PeriodicalId":22717,"journal":{"name":"The Korean Journal of Crop Science","volume":"1 1","pages":"304-313"},"PeriodicalIF":0.0,"publicationDate":"2018-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"77570865","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2018-01-01DOI: 10.7740/kjcs.2018.63.3.257
Hong-Min Koh, Sumin Park, K. Kim, Ji Min Kim, Tae-Han Lee, J. Heo, Ju Seok Lee, J. Jung, S. Kang
{"title":"Resistance Resources for the Foxglove Aphid in Soybeans","authors":"Hong-Min Koh, Sumin Park, K. Kim, Ji Min Kim, Tae-Han Lee, J. Heo, Ju Seok Lee, J. Jung, S. Kang","doi":"10.7740/kjcs.2018.63.3.257","DOIUrl":"https://doi.org/10.7740/kjcs.2018.63.3.257","url":null,"abstract":"","PeriodicalId":22717,"journal":{"name":"The Korean Journal of Crop Science","volume":"33 1","pages":"257-264"},"PeriodicalIF":0.0,"publicationDate":"2018-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"77967758","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2018-01-01DOI: 10.7740/KJCS.2018.63.1.035
Mi Ja Lee, S. Kim, H. Kim, Hyun Young Kim, W. Seo, Sik-Won Choi, Kwang-Sik Lee, K. Jang
곡류 가공 부산물인 미강과 맥강을 활용한 GABA 생산성 향상을 위하여 맥강과 미강의 첨가량, glutamate 농도 및 보리 품종에 따른 GABA 생산량을 측정 비교하였다. 그 결과 맥강이 미강 보다 모든 조건에서 높은 GABA 생산성을 보였고, 맥강을 활용한 GABA 생산 반응에서 최적 조건은 맥강 첨가량은 0.15 g/mL, glutamate ...
{"title":"Production of γ-aminobutyric Acid Using the Korean Hull-less Barley Bran with Glutamate","authors":"Mi Ja Lee, S. Kim, H. Kim, Hyun Young Kim, W. Seo, Sik-Won Choi, Kwang-Sik Lee, K. Jang","doi":"10.7740/KJCS.2018.63.1.035","DOIUrl":"https://doi.org/10.7740/KJCS.2018.63.1.035","url":null,"abstract":"곡류 가공 부산물인 미강과 맥강을 활용한 GABA 생산성 향상을 위하여 맥강과 미강의 첨가량, glutamate 농도 및 보리 품종에 따른 GABA 생산량을 측정 비교하였다. 그 결과 맥강이 미강 보다 모든 조건에서 높은 GABA 생산성을 보였고, 맥강을 활용한 GABA 생산 반응에서 최적 조건은 맥강 첨가량은 0.15 g/mL, glutamate ...","PeriodicalId":22717,"journal":{"name":"The Korean Journal of Crop Science","volume":"10 1","pages":"35-40"},"PeriodicalIF":0.0,"publicationDate":"2018-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"88862677","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2018-01-01DOI: 10.7740/KJCS.2018.63.1.008
Shin-gu Kang, Jiyoung Shon, Hong-Sik Kim, Sookjin Kim, Jong-Seo Choi, J. Park, Yeong-Hwan Yun, J. Sim, Woonho Yang
Pre-harvest sprouting (PHS) refers to seed germination during ripening, due to loss of dormancy before harvest. As PHS in rice causes decrease in grain yield and quality, tolerance to PHS is an important trait of Japonica cultivars in Korea. It is important to investigate the related genes and environmental factors, because PHS is a quantitative trait. In this study, we examined PHS rates at three different times according to the cumulative daily mean temperature after heading (CTAH) for 5 rice cultivars released in Korea for 5 years from 2013 to 2017 to determine the effect of environmental factors on PHS. ABA content in ripening spikelets was analyzed to understand how it was related to PHS tolerance. PHS rate increased as CTAH increased from 800°C to 1200°C. PHS rate was significantly different (p < 0.001) among the cultivars, showing Dasanbyeo, Jounbyeo, and Nampyeongbyeo to be PHS-tolerant, and Jopyeongbyeo and Gopumbyeo to be susceptible at all the CTAH of 800, 1000, and 1200°C. In 2015 and 2016, PHS rates were relatively higher, because of high temperature and frequent rainfall during the ripening period. In each cultivar, ABA content decreased as CTAH increased from 800°C to 1200°C. However, there was no significant correlation between ABA content and PHS tolerance among the cultivars.
{"title":"Analysis of Genetic Variation in Pre-Harvest Sprouting at Different Cumulative Temperatures after Heading of Rice","authors":"Shin-gu Kang, Jiyoung Shon, Hong-Sik Kim, Sookjin Kim, Jong-Seo Choi, J. Park, Yeong-Hwan Yun, J. Sim, Woonho Yang","doi":"10.7740/KJCS.2018.63.1.008","DOIUrl":"https://doi.org/10.7740/KJCS.2018.63.1.008","url":null,"abstract":"Pre-harvest sprouting (PHS) refers to seed germination during ripening, due to loss of dormancy before harvest. As PHS in rice causes decrease in grain yield and quality, tolerance to PHS is an important trait of Japonica cultivars in Korea. It is important to investigate the related genes and environmental factors, because PHS is a quantitative trait. In this study, we examined PHS rates at three different times according to the cumulative daily mean temperature after heading (CTAH) for 5 rice cultivars released in Korea for 5 years from 2013 to 2017 to determine the effect of environmental factors on PHS. ABA content in ripening spikelets was analyzed to understand how it was related to PHS tolerance. PHS rate increased as CTAH increased from 800°C to 1200°C. PHS rate was significantly different (p < 0.001) among the cultivars, showing Dasanbyeo, Jounbyeo, and Nampyeongbyeo to be PHS-tolerant, and Jopyeongbyeo and Gopumbyeo to be susceptible at all the CTAH of 800, 1000, and 1200°C. In 2015 and 2016, PHS rates were relatively higher, because of high temperature and frequent rainfall during the ripening period. In each cultivar, ABA content decreased as CTAH increased from 800°C to 1200°C. However, there was no significant correlation between ABA content and PHS tolerance among the cultivars.","PeriodicalId":22717,"journal":{"name":"The Korean Journal of Crop Science","volume":"74 1","pages":"8-17"},"PeriodicalIF":0.0,"publicationDate":"2018-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"86368549","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2018-01-01DOI: 10.7740/KJCS.2018.63.1.001
K. Lee, Jung-ro Lee, M. Shin, G. Cho, K. Ma, Gi-An Lee, J. Chung
Information on the patterns of genetic diversity and population structure is essential for the rational use and efficient management of germplasms; accurate information aids in monitoring germplasms, and can also be used to predict potential genetic gains. In this study, we assessed genetic diversity, focusing on Korean rice accessions for theand their sustainable conserved diversity. Using DNA profiling with 12 simple sequence repeat (SSR) markers, we detected a total of 333 alleles among 2,016 accessions. The number of alleles ranged from 21 to 53, with an average of 27.8. Average polymorphism information content was 0.797, with the lowest being 0.667 and the highest 0.940. CA cluster analysis and the model-based population structure revealed two main groups that could be subdivided into five subgroups. Analysis of the molecular variance study based on the SSR profile data showed 5% variance among the profiles, whereas we recorded 93% variance among individuals and 2% variance within individuals. Specifically, the utilized diversity for of the breeding program is restricted in that cultivars were located in limited clades. These results revealed that preserving the diversity of Korean landraces could be useful sources for breeding new rice cultivars, and cwould be the basis for the sustainable conservation and utilization of a Korean rice germplasm.
{"title":"Genetic Diversity and Population Structure of a Korean Rice Germplasm Based on DNA Profiles","authors":"K. Lee, Jung-ro Lee, M. Shin, G. Cho, K. Ma, Gi-An Lee, J. Chung","doi":"10.7740/KJCS.2018.63.1.001","DOIUrl":"https://doi.org/10.7740/KJCS.2018.63.1.001","url":null,"abstract":"Information on the patterns of genetic diversity and population structure is essential for the rational use and efficient management of germplasms; accurate information aids in monitoring germplasms, and can also be used to predict potential genetic gains. In this study, we assessed genetic diversity, focusing on Korean rice accessions for theand their sustainable conserved diversity. Using DNA profiling with 12 simple sequence repeat (SSR) markers, we detected a total of 333 alleles among 2,016 accessions. The number of alleles ranged from 21 to 53, with an average of 27.8. Average polymorphism information content was 0.797, with the lowest being 0.667 and the highest 0.940. CA cluster analysis and the model-based population structure revealed two main groups that could be subdivided into five subgroups. Analysis of the molecular variance study based on the SSR profile data showed 5% variance among the profiles, whereas we recorded 93% variance among individuals and 2% variance within individuals. Specifically, the utilized diversity for of the breeding program is restricted in that cultivars were located in limited clades. These results revealed that preserving the diversity of Korean landraces could be useful sources for breeding new rice cultivars, and cwould be the basis for the sustainable conservation and utilization of a Korean rice germplasm.","PeriodicalId":22717,"journal":{"name":"The Korean Journal of Crop Science","volume":"2 1","pages":"1-7"},"PeriodicalIF":0.0,"publicationDate":"2018-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"79355931","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2018-01-01DOI: 10.7740/kjcs.2018.63.1.041
Man Soo Choi, Nam-Su Jeong, 김둘이, 김재현, 진민아, 전재범, 문중경
ABSTRACT Soybean sprouts have good digestibility, high isoflavone content compared with soybean seeds, and large amounts of aspartic acid, which is effective in eliminating hangovers. However, the region between the cotyledon and hypocotyl in soybean sprouts appears purple, the product value of soyb...
{"title":"콩나물 재배 시 자색 배축 발현 요인 구명","authors":"Man Soo Choi, Nam-Su Jeong, 김둘이, 김재현, 진민아, 전재범, 문중경","doi":"10.7740/kjcs.2018.63.1.041","DOIUrl":"https://doi.org/10.7740/kjcs.2018.63.1.041","url":null,"abstract":"ABSTRACT Soybean sprouts have good digestibility, high isoflavone content compared with soybean seeds, and large amounts of aspartic acid, which is effective in eliminating hangovers. However, the region between the cotyledon and hypocotyl in soybean sprouts appears purple, the product value of soyb...","PeriodicalId":22717,"journal":{"name":"The Korean Journal of Crop Science","volume":"43 1","pages":"41-47"},"PeriodicalIF":0.0,"publicationDate":"2018-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"88269273","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2018-01-01DOI: 10.7740/KJCS.2018.63.3.229
Seong-Woo Cho, Taek-Gyu Kang, Chul-Soo Park, J. Son, Changhyun Choi, Y. Cheong, Young-mi Yoon, Kyong-Ho Kim, C. Kang
{"title":"Influence of Different Nitrogen Fertilizer Application Levels and Application Timing on Gluten Fraction and Bread Loaf Volume During Grain Filling","authors":"Seong-Woo Cho, Taek-Gyu Kang, Chul-Soo Park, J. Son, Changhyun Choi, Y. Cheong, Young-mi Yoon, Kyong-Ho Kim, C. Kang","doi":"10.7740/KJCS.2018.63.3.229","DOIUrl":"https://doi.org/10.7740/KJCS.2018.63.3.229","url":null,"abstract":"","PeriodicalId":22717,"journal":{"name":"The Korean Journal of Crop Science","volume":"102 1","pages":"229-238"},"PeriodicalIF":0.0,"publicationDate":"2018-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"77540477","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2018-01-01DOI: 10.7740/KJCS.2018.63.4.322
Jihae Lee, Yu-Young Lee, 손유림, K. Yeum, Lee, Yoonmi, B. Lee, K. Woo, Hyun‐Joo Kim, Sang‐Ik Han, Byoungkyu Lee
The correlation between the nutritional composition of soybeans and whole soymilk palatability was investigated using nine soybean cultivars (Teagwangkong, Daewonkong, Saedanback, Jinpung, Daechan, Miso, Cheongmiin, Cheongja 3, and Socheongja). Physicochemical analysis of soybeans, showed that the protein and lipid contents were 37.7-46.0 and 15.2-20.9%, respectively. Unsaturated fatty acids were 81.1-84.8% of total fatty acids, of which linoleic acids was 49.7-56.8%. Total tocopherol was 243.5-361.3 μg/g of extract, of which γ-tocopherol was 67.14-86.49 μg/g. Total isoflavone contents varied within cultivars from 495.4-1,443.8 μg/g of extract. Daidzin and genistin were 252.1-556.0 and 241.8-730.7 μg/g, respectively, which were major isoflavones in soybeans. For the sensory evaluation, whole soymilk was made from nine soybean cultivars and 20 panels investigate its palatability. The Daechan cultivar had the highest (9.1), and Cheongmiin the lowest (5.6), overall palatability score. Interestingly, sensory results were strongly correlated with linoleic acid (0.746) and stearic acid (-0.716) content. In summary, the fatty acid composition of soybeans is the key factor in determining the palatability of whole soymilk. This study could be applied to determine the suitability of cultivars for soybean products, including whole soymilk.
{"title":"Correlation of Quality Characteristics of Soybean Cultivars and Whole Soymilk Palatability","authors":"Jihae Lee, Yu-Young Lee, 손유림, K. Yeum, Lee, Yoonmi, B. Lee, K. Woo, Hyun‐Joo Kim, Sang‐Ik Han, Byoungkyu Lee","doi":"10.7740/KJCS.2018.63.4.322","DOIUrl":"https://doi.org/10.7740/KJCS.2018.63.4.322","url":null,"abstract":"The correlation between the nutritional composition of soybeans and whole soymilk palatability was investigated using nine soybean cultivars (Teagwangkong, Daewonkong, Saedanback, Jinpung, Daechan, Miso, Cheongmiin, Cheongja 3, and Socheongja). Physicochemical analysis of soybeans, showed that the protein and lipid contents were 37.7-46.0 and 15.2-20.9%, respectively. Unsaturated fatty acids were 81.1-84.8% of total fatty acids, of which linoleic acids was 49.7-56.8%. Total tocopherol was 243.5-361.3 μg/g of extract, of which γ-tocopherol was 67.14-86.49 μg/g. Total isoflavone contents varied within cultivars from 495.4-1,443.8 μg/g of extract. Daidzin and genistin were 252.1-556.0 and 241.8-730.7 μg/g, respectively, which were major isoflavones in soybeans. For the sensory evaluation, whole soymilk was made from nine soybean cultivars and 20 panels investigate its palatability. The Daechan cultivar had the highest (9.1), and Cheongmiin the lowest (5.6), overall palatability score. Interestingly, sensory results were strongly correlated with linoleic acid (0.746) and stearic acid (-0.716) content. In summary, the fatty acid composition of soybeans is the key factor in determining the palatability of whole soymilk. This study could be applied to determine the suitability of cultivars for soybean products, including whole soymilk.","PeriodicalId":22717,"journal":{"name":"The Korean Journal of Crop Science","volume":"148 1","pages":"322-330"},"PeriodicalIF":0.0,"publicationDate":"2018-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"77918627","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
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