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장인배(In Bae Jang),문지원(Ji Won Moon),유진(Jin Yu),장인복(In Bok Jang),서수정(Su Jeoung Suh),전창후(Chang Hoo Chun) 한국약용작물학회 2019 한국약용작물학회지 Vol.27 No.4
Background: High temperature damage in ginseng is influenced by shading materials related not only to temperature, but also to light intensity and light quality. To address, this green-colored khaki shading sheet is widely used. As they are recently, developed, there is limited research information about their attributes and use. Methods and Results: The four-layered shading net (FLSN), blue-colored shading sheet (BCSS), aluminum-coated shading board (ACSB), and green-colored shading sheet (GCSS) were installed in the wooden A type of sun-block facilities. Two layered black, shading net was additionally used to cover the facilities since the beginning of June. The average temperature at the facility where different shades were tested was in the order of BCSS (28.9℃) > FLSN (27.7℃) > GCSS (27.6℃) > ACSB (27.1℃). However, high temperature injury rates were in order: FLSN > ACSB > GCSS > BCSS. Root weight vaired and was in the order: ACSB > GCSS > BCSS > FLSN. Conclusions: High temperature damage is possible not only because of temperature increase, but also due to various environmental light factors. Ginseng high temperature injury was minimal when BCSS or GCSS were used by difference of light quality. Although the root weight was higher in ACSB, it could be vulnerable to high temperature damage. Therefore, we propose using GCSS for ginseng shading.
경사식 및 소형 터널식 인삼 해가림 시설에서 생육, 병해, 고온 피해 비교
배영석(Yeoung Seuk Bae),임은성(Eun Sung Lim),서수정(Su Jeoung Suh),유진(Jin Yu),장인배(In Bae Jang),장인복(In Bok Jang),김동휘(Dong Hwi Kim),김영창(Young Chang Kim) 한국약용작물학회 2021 한국약용작물학회지 Vol.29 No.6
Background: Ginseng cultivation is conducted in sun-shade facilities, and farmers are demanding new cultivation facilities with high durability and reusability. Methods and Results: In this study, three different sun-shade facilities, slope-shading type (SST), small connecting-tunnel (SCTT), and gradient-tunnel (GTT) were compared in terms of temperature and ginseng growth. The highest temperatures recorded, occuring at 13:00 on August 9, were 42.9℃ for the SCTT and 40.9℃ for the GTT. The SST was 38.5℃ at this time point, which was the lowest of the three treatment. When temperatures above 33℃ were cumulatively calculated from June to August, the SCTT was higher by 2,731.7℃ and 124.5℃ than the GTT and SST respectively. Plant length, stem length, leaf length, and leaf width were significantly higher in SCTT and GTT than in SST. The root weight was 14.7 g, 14.5 g, and 15.3 g in the SST, SCTT, and GTT, respectively, with the highest root weight in GTT. Anthracnose incidence was marginally higher in SST; 1.7% for the SST, 0.3% for the SCTT, and 0.2% for the GTT. Damage caused by high temperature was the highest in SST (8.0%), and was lower in SCTT (5.7%) and GTT (7.3%). Conclusions: We found that SCTT and GTT facilities are safe for ginseng cultivation. Future studies should investigate ways to lower the temperature, such as by installing light-shield film.
재배년수에 따른 인삼의 생육특성, 생리활성, 성분의 변화
문지원(Ji Won Moon),장인배(In Bae Jang),유진(Jin Yu),장인복(In Bok Jang),서수정(Su Jeoung Seo),이성우(Sung Woo Lee) 한국약용작물학회 2019 한국약용작물학회지 Vol.27 No.6
Background: Ginseng has been used as a medicine and functional food since ancient times. It is a perennial crop, and its whose commercial valuse increases with growing period and is affected by the atmosphere and soil environment. Methods and Results: In a selected field, we measured air temperature under a shade structure and soil physicochemical properties, and determied plant and root growth as well as ginsenoside and total polyphenol content of one- to five-year-old ginsengs plants. Although air temperature above 30℃ was recored for more than 37 days, no marked growth inhibition of ginseng was detected. Among all soil physicochemical properties, except for pH, were within the allowable range the shortage increases with ginseng years. In five-year-old ginseng, the quantity is about 9.7% higher than the average weight by standard, indicating that is not affected by temperature when grown under a shade structure. Three-year-old ginseng contained the highest total ginsenoside and total polyphenol levels and exhibited the greatest DPPH radical scavenging activity. Conclusions: The total ginsenoside and protopanaxadiol/protopanaxatriol ratio were both low at five-year-old ginseng plants, which was attributed to rapid growth of the root system in five-year-oid plants. There were no significant differences in total polyphenol content and antioxidant activity between.
알코올성 간손상을 유발한 마우스 모델에서의 새싹인삼 지상부 추출물의 간 기능 보호효과 및 지표성분 함량분석
이미경 ( Mi Kyoung Lee ),장인배 ( In-bae Jang ),이민호 ( Min Ho Lee ),이대영 ( Dae Young Lee ) 한국응용생명화학회(구 한국농화학회) 2020 Journal of Applied Biological Chemistry (J. Appl. Vol.63 No.4
알코올성 간손상을 유발한 마우스 모델에서 새싹인삼 지상부 추출물(HGE)의 간 보호 효과를 확인하였다. 알코올성 간손상 모델은 25% 알코올을 마우스에 5 g/kg의 농도로 경구 투여하여 이루어졌고, HGE를 투여한 군에는 알코올을 투여하기 3일전부터 경구투여를 시작하여 10일간 마우스 개체 당 4와 12 mg/kg의 농도로 경구투여 하였다. HGE를 투여한 그룹에서는 알코올만 처리한 대조군에 비해 AST 및 ALT 수치가 농도의존적으로 낮아진 것을 확인하였다. 또한, 간손상에 의해 증가된 LDH 수치는 대조군과 유사하게 감소하였다. 새싹인삼 지상부 추출물로 부터 ginsenoside F5, F3, F1, 및 F2의 정량분석 결과는 각각 2.5, 4.4, 1.4, 및 23.3 mg/g으로 확인하였다. We studied the effects of the extract of aerial parts of hydroponically cultured ginseng (HGE) on alcohol-induced liver damage (AILD) in mice. AILD was induced by the oral administration of ethanol (EtOH) (25%; 5 g/kg body weight) for seven days in the study as well as EtOH-only groups. However, HGE (4 and 12 mg/kg) was orally administered (once daily for ten consecutive days) only to the study group, three days prior to the EtOH treatment. The HGE-treated group showed significantly lower levels of alanine aminotransferase and aspartate aminotransferase than the EtOH-only group. In addition, HGE administration decreased the level of serum lactate dehydrogenase, a known marker of liver damage. The effect of HGE on AILD was found to be dose dependent, and the consecutive administration of HGE showed no side effects in mice. Our study indicates that HGE treatment can potentially reduce oxidative stress and toxicity in the liver of alcohol-treated mice and that HGE can be a useful therapeutic agent for alcohol-induced hepatotoxicity. Additionally, a simple and efficient high-performance liquid chromatography-ultraviolet detection method was developed for determining the contents of four major ginsenosides in HGE. The aerial parts of hydroponically cultured ginseng were extracted using 70% fermented ethanol, and the contents of ginsenosides F5, F3, F1, and F2 in HGE were found to be 2.5, 4.4, 1.4, and 23.3 mg/g, respectively.
서수정(Su Jeoung Suh),장인배(In Bae Jang),장인복(In Bok Jang),문지원(Ji Won Moon),유진(Jin Yu) 한국약용작물학회 2019 한국약용작물학회지 Vol.27 No.6
Background: Usually ginseng seeds are sown during autumn and spring. Sowing in spring often results in poorer seedling establishment than in autumn. One of the reasons for poor germination could be cold-treatment condition for breakage of physiological dormancy during winter. Here we tested the effects of storage temperature used during cold treatment on germination. Methods and Results: Germination properties were observed after dehiscent seeds were stored as wet and dry at 2℃, -2℃, -3.5℃ and alternating temperature (AT). Seed dryness and storage temperature affected germination properties (p < 0.01). Wet and AT condition germinated highest, and wet and -3.5℃ condition germinated lowest, which was 91.2% and 1.4% respectively. Mean germination time (MGT) of the wet and AT condition was faster than other treatments at 2.4 days, and the dry and -2℃ condition was the longest. Germination performance index (GPI) was highest for wet and AT condition (37.7%) and the lowest for wet and -3.5℃ condition (0.5%). The growth of above-ground and below-ground were the best for wet and 2℃ condition, and wet seeds showed better growth than dry seeds (p < 0.01). Conclusions: For cold treatment, ginseng seeds may not be stored below -2℃ for successful germination during spring sowing.
서수정(Su Jeoung Suh),유진(Jin Yu),장인배(In-Bae Jang),김영창(Young-Chang Kim) 한국자원식물학회 2022 한국자원식물학회지 Vol.35 No.2
Ginseng (Panax ginseng C.A. Meyer) is a perennial plant and propagates by seeds, and those need after-ripening for germination. To be ready for climate change and to ensure a stable seed supply, the technique for storing seeds in short-term and long-term in large quantities is required. In this study, dehisced ginseng seeds from two locations, batch #1 and batch #2, were stored at -3.5℃ with different moisture content, and after 3, 15, and 27 months of storage, the percentage of radicle emergence and shoot emergence were measured. After 3 months, radicle emergence and shoot emergence were normal only when the seed moisture content was more than 35%, and overall, germination was higher in batch #2 than in batch #1. After 15 months, the partially dehydrated seeds, with a moisture content between 45 to 54%, showed the highest germination rates, and most of the undried seeds were spoiled and failed to germinate. Seeds with moisture content lower than 25% had poor germination, too. The partially dehydrated seeds also succeeded in germination and growth in the soil after 15 months of storage, but deteriorated after one more 1 year, too. In summary, ginseng seeds look like have temperate recalcitrant seed characteristics, and partial dehydration allows extension of seed longevity.