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박진천(Jin-Cheon Park),김양길(Yang-Kil Kim),박태일(Tae-Il Park),강천식(Chon-Sik Kang),김경호(Kyong-Ho Kim),박종철(Jong-Chul Park),윤영미(Young-Mi Yoon) 한국육종학회 2022 한국육종학회지 Vol.54 No.2
A new malting barley variety, ‘Baegrok’, was developed in 2016 at the National Institute of Crop Science, RDA: Rural development administration by crossing the high-yield ‘Milyang130’ variety with ‘Myoginijo’, which has lodging tolerance and resistance to barley yellow mosaic virus (BaYMV). ‘Baegrok’ is suitable for use in brewing, similar to ‘Hopum’, and has resistance to powdery mildew and tolerance to lodging. From 2014 to 2016, regional yield trials were conducted in four different regions, with ‘Baegrok’ as a breeding line of ‘Iksan176’. The heading dates of ‘Baegrok’ in paddy and upland fields were April 6 and April 11, respectively, 2 days earlier than those of ‘Hopum’. Maturing dates of ‘Baegrok’ in paddy and upland fields were May 16 and May 21, respectively, similar to those of ‘Hopum’. The yield potential of ‘Baegrok’ was approximately 14% and 6% higher than that of ‘Hopum’ in upland and paddy fields. ‘Baegrok’ had a shorter culm length than ‘Hopum’ showing tolerance to lodging. Screening for powdery mildew resistance in the greenhouse showed that ‘Baegrok’ had resistance to powdery mildew, unlike ‘Hopum’ which was susceptible. It also is suitable for use in brewing, similar to Hopum. ‘Baegrok’ showed good grain quality in terms of β-glucan content (3.4%), starch (61.0%), and husk rate (12.7%). Regarding malt quality, ‘Baegrok’ exhibited 75.1% acrospire length, 70.8% friability, 4.4% soluble protein, and 345.8 WK (Windisch-Kolbach) diastatic power, superior to the malt quality of ‘Hopum’. Thus, ‘Baegrok’ is resistant to powdery mildew, tolerant to lodging, and more suitable for brewing. (Registration No. 8399)
도농교류-농업소득연계시리즈 - 한농연 우수사업사례 전파 - 한농연서산시연합회 부설 '서농유통'
박진천,Park, Jin-Cheon 한국농업경영인중앙연합회 2009 한농연 Vol.81 No.-
한농연은 전국각지의 사업우수사례를 모아 취재하고 소개하여 모든 한농연 회원들이 정보를 공유하고 더욱 발전되는 한농연을 만들고자 하는 취지로 이번 연재를 기획했다. 이번 연재를 시작으로 전국 각지의 우수사례들을 소개하고 정보를 공유하여 잘된점은 칭찬하고 잘 안되는 점은 타산지석으로 삼아 사업적인 측면에서도 농업계에서 우뚝서는 한농연이 되기를 바란다. 우수사업사례 첫 번째 사례로 충남서산연합회를 소개하고자 한다.
박슬기(Seul-Gi Park),김양길(Yang-Kil Kim),박진천(Jin-Cheon Park),이창현(Chang-Hyeun Lee),강천식(Chon-Sik Kang),김경호(Kyong-Ho Kim),박태일(Tae-Il Park),윤영미(Young-Mi Yoon) 한국육종학회 2022 한국육종학회지 Vol.54 No.4
‘Heugho’, a new cultivar developed in 2014, is a two-rowed hulled barley with black grains that was selected among doubled haploid lines produced by anther culture from a backcross between two cultivars. Black barley, which has black grains, was used as the donor parent and ‘Hopum’, which has an elite genotype, was used as the recurrent parent. Agricultural characteristics of the new cultivar such as heading date, lodging and disease resistance were similar to those of ‘Hopum’. The yield was approximately 3.8 ton/ha, which was also comparable to that of ‘Hopum’. In terms of grain quality, the thousand grain weights of ‘Heugho’ and ‘Hopum’ were similar at 44.9 g and 41.4 g, respectively. The malt quality of both cultivars, which was mainly determined by extract, diastatic power, Kolbach index, and soluble protein content, were also similar. The total polyphenol contents of ‘Heugho’ and ‘Hopum’ malts were 0.274% and 0.244%, and the anthocyanin contents were 37.1 μg/g and 16.5 μg/g, respectively. After malting, ‘Heugho’ had high antioxidant capacity, making it a functional food source for beer as well as tea. We expect that ‘Heugho’ will contribute to farmer’s income and regional economic activation associated with the barley processing industry(Registration No. 8239).
단수수 시럽 제조효율 향상을 위한 착즙액 고온처리 및 이화학적 특성 변화
황엄지(Eom-Ji Hwang),이영훈(Yeong-Hoon Lee),차영록(Young-Rok Cha),권다은(Da-Eun Kwon),박진천(Jin-Cheon Park) 한국식품영양과학회 2021 한국식품영양과학회지 Vol.50 No.6
본 연구에서는 단수수 시럽 제조효율을 높이고 품질을 향상시키기 위해 단수수 착즙액을 고온처리하여 불순물 생성 정도를 확인하고, 고온처리에 따른 착즙액의 이화학적 특성을 분석하였다. 고온처리 후 착즙액의 불순물 함량은 110°C(2시간), 120°C(30분, 1시간) 처리에서 7.0~7.5 mg/100 g으로 가장 높게 나타났다. 120°C(2시간), 130°C(30분, 1시간, 2시간) 처리에서 가열 온도와 시간이 증가할수록 불순물 함량이 감소하였다. 착즙액의 당도는 130°C(30분, 1시간, 2시간) 처리에서 무처리 대비 당도가 낮아졌으며, pH는 온도가 높아질수록 낮아지는 경향을 보였다. 갈색도는 가열 온도와 시간이 증가할수록 증가하였다. 유리당 함량은 착즙액 가열온도와 시간이 증가할수록 fructose와 glucose 함량이 증가하였지만, sucrose 함량은 감소하는 경향을 나타냈다. 종합해보면 단수수 착즙액을 120°C에서 30분~1시간 처리했을때 착즙액의 불순물 제거효율이 가장 높으며, 불순물을 제거한 착즙액을 이용하여 단수수 시럽 제조 시 품질 향상에 영향을 줄 것으로 판단된다. Sugar is essential for maintaining human life. However, excessive consumption of refined sugar causes obesity and diabetes. Recently, the demand for natural sugar is increasing. In this study, extracted sweet sorghum juice was first treated at high temperature to remove impurities and produce high-quality sweet sorghum syrup, and its physicochemical properties were analyzed by various temperature ranges. While purifying the sweet sorghum juice at various temperatures, the quantum of impurities was observed to be highest at 120°C and decreased at 130°C. The correlation between the sugar content and pH of the sweet sorghum juice was investigated, and the pH decreased as the temperature increased. In addition, the higher the reaction temperature and the longer the reaction time, the higher the juice’s brownness and the higher the content of fructose and glucose. At the same time, sucrose content was reduced. Finally, the sweet sorghum juice should be treated at 120°C for 30 minutes to 1 hour to attain the highest efficiency in removing impurities and to improve the quality of the sweet sorghum syrup.
윤영미(Young-Mi Yoon),김양길(Yang-Kil Kim),강천식(Chon-Sik Kang),김경호(Kyong-Ho Kim),박종철(Jong-Chul Park),박태일(Tae-Il Park),박진천(Jin-Cheon Park) 한국육종학회 2021 한국육종학회지 Vol.53 No.4
A malting barley variety, ‘Nurimaeg’, was developed with resistance to barley yellow mosaic virus (BaYMV), tolerance to lodgingstress, and good brewing quality. ‘Nurimaeg’ was developed by crossing Milyang127 and Miharu gold in 2004. Regional yield trials wereconducted for ‘Nurimaeg’ as a breeding line ‘Iksan175’ in four different regions from 2014-2016. It has a type I growth habit, and its averageheading and maturity dates were April 12 and May 20, respectively-which were 1 day later than the maturity date of ‘Hopum’ variety. As‘Nurimaeg’ has a shorter culm length (77 cm) than that of ‘Hopum’, it showed tolerance to lodging stress. This variety possesses the rym5gene and is resistant to BaYMV. It showed a 42.9 g 1000-grain weight and 90% assortment ratio. The yield potential of ‘Nurimaeg’ was408 kg/10a, which is approximately 18% higher than that of ‘Hopum’. Analysis of grain quality for malting showed that ‘Nurimaeg’ hashigh quality of low protein and β-glucan content. Malt quality analysis revealed that it has 72.8% extract, 4.2% soluble protein, 38.9% kolbachindex, and 243 WK diastatic power, which all were similar to those of ‘Hopum’. ‘Nurimaeg’ would be suitable for cultivation in the areasof Korea that have a daily minimum temperature of -4℃ in the month of January (Registration No. 7960).
김양길(Yang-Kil Kim),윤영미(Young-Mi Yoon),이미자(Mi-Ja Lee),김경호(Kyong-Ho Kim),강천식(Chon-Sik Kang),박종호(Jong-Ho Park),박태일(Tae-il Park),김태헌(Tae-Heon Kim),박진천(Jin-Cheon Park) 한국육종학회 2021 한국육종학회지 Vol.53 No.3
Hordeum vulgare ‘Heukbochal’, a naked waxy barley cultivar with a high anthocyanin content and black lemma has been developedfrom a cross between ‘Ginssalbori/Changyongjaelae’ and ‘Ginssalbori’ by the National Institute of Crop Science, RDA. It is a winter-type barleywith a vernalization degree of Ⅳ, lax panicle with loose-type spike density, and long awn type. The average heading date of ‘Heukbochal’is April 19th, which is the same as that of the control cultivar ‘Saechalssalbori’. It has a long culm of 79 cm and a long spike length of7.0 cm, with 54 grains per spike and a 1000-grain weight of 30.4 g. Although compared with ‘Saechalssalbori’, ‘Heukbochal’ shows weakerwinter hardiness, it is characterized by better resistance to barley yellow mosaic virus. The grains of ‘Heukbochal’ showed a similar proteincontent (10.4%) to ‘Saechalssalbori’ but a lower beta-glucan content (5%) than that of ‘Saechalssalbori’. Furthermore, the grains of ‘Heukbochal’have an anthocyanin content of 0.116±0.005 mg/bran g, which is 1.9 times higher than that of ‘Heuknuri’ (0.062±0.007 mg/bran g), anothernon-waxy naked barley cultivar with a black lemma. Additionally, its average grain yield is 4.02 ton/ha in paddy fields, which is 5% lowerthan that of ‘Saechalssalbori’. ‘Heukbochal’ is the first developed naked waxy barley cultivar with a high anthocyanin content and blacklemma; therefore, we anticipate its cultivation in Korea (Registration No. 8194).