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성은수,길현영,이기혜,유지혜,김철중,최재후,김남준,김희영,김창흠,유창연 한국국제농업개발학회 2015 韓國國際農業開發學會誌 Vol.27 No.3
1. 국내에서 수집한 수수의 성숙기 간장이 250 cm 이상되는자원은 5 종으로 전체 62 수집종의 8.1 %를 차지하였다. 2. 수형 특성 조사에서는 3개 분얼수를 가지는 자원은 전체수집종의 56.6%를 나타낸 것으로 보아, 평균 분얼수는 3개 인것으로 나타났다. 3. 잎의 특성조사에서 엽장이 90 cm 이상되는 자원은 14.5%로 분류되었다. 4. 분얼형에 있어서는 반밀수타원형이 전체 수수 수집종의32.3%를 차지하였다. 5. 전체 수집종 수장의 평균값은 29.2 cm로 나타났다. This study was conducted to select the superior lines through the investigation of morphological or agronomic characteristics of Sorghum bicolor collected from the South Korea and United States. The selection of superior baselines was made by comparing the plant height, stem diameter, tiller number, ear type, ear length, ear width, leaf length, leaf width and leaf vein color. On average, five accession lines (09-SB-010, 09-SB-020, 09-SB-025, 09-SB-027, 09-SB-056) among of collections for South Korea were showed more than 250 cm in plant height. Two accession lines (09-SB-006, 09-SB 048) exhibited above 4 cm stem diameter. In terms of tiller number, 56.6 % of collected accessions revealed possessed three tillers. In this result, about 14.5 % of collected accessions showed leaf length of above 90 cm and leaf width more than 10 cm. The colors of all leaves were white. The semi-compact elliptical ear type constituted to 32.3% among the 62 accessions collected in South Korea. The mean ear length value of the collected accessions appeared to be 29.2 cm. The sample collected from United States (09-SB 104) was selected as an excellent line by checking the plant height (419 ± 10.1 cm). This report displayed that crop characteristics of S. bicolor have a significant morphological and agronomic differences which could be useful for plant breeding program and genetic resources.
수수 수집종의 농업적 형질 및 생리활성 분석을 통한 우수계통 선발
전미란,유지혜,김창흠,최재후,강병주,성은수,유창연 한국약용작물학회 2016 한국약용작물학회지 Vol.24 No.5
Background: Sorghum is a major cereal food crop used in many parts of the world. It has been grown on a subsistence level by farmers, under various conditions of environmental stresses in the semi-arid tropics of Africa and Asia. This plant has received significant attention because of its ability to reduce cholesterol in the blood, and its anti-dementia, antioxidant, and antimicrobial properties. It is possible to develop a functional and commercially viable sorghum variety by using superior cultivars of sorghum. The objective of this study was to build a database of superior sorghum accession.Methods and Results: We used 250 sorghum accessions collected from different geographical bioregions in Korea. We determined various agronomic characters including germination rate and ear length of these accessions. To determine the antioxidant capacity, we measured the 1,1-diphenyl-2-picrylhydrazyl radical scavenging activity, 2,2’-azino-bis (3-ethylbenzothiazoline-6-sulfonic acid)-diammonium salt radical scavenging activity, total phenolic contents, and total flavonoid contents. Accession 189 showed higher germination (> 80%) than the other accessions. Higher 1,1-diphenyl-2-picrylhydrazyl radical scavenging activity was observed in 11-SB-078 (RC50; 1.89 ± 2.88 μg/ml), and higher 2,2’-azino-bis (3-ethylbenzothiazoline-6-sulfonic acid)-diammonium salt radical scavenging activity was recorded in 11-SB-116 (RC50; 35.48 ± 2.42 μg/ml) than in the other accessions. The ear length ranged from 15 ㎝ to 48 ㎝, the total phenolic contents ranged from 3 ㎎• GAE/g to 77 ㎎• GAE/g, and total flavonoid contents ranged from 0.09 ㎎• QE/g to 1.07 ㎎• QE/g.Conclusions: Among 250 sorghum accessions, we selected 10 with both superior agronomic characters and highly functional food quality.
김철중,성은수,유지혜,최재후,김창흠,강병주,전미란,비말,김나영,이상원,차선우,유창연 한국약용작물학회 2015 한국약용작물학회지 Vol.23 No.4
The objective of this study was to establish the optical storage condition in cutting slips of Lycium chinense Mill. We investigated the different influential growth factor of this plant including two soil types (soil and vermiculite) and storage methods (gauze, parafilm, vinyl, and paper). Our result revealed that the formation of axillary bud was highest (4.8 ± 0.75 ea) from the cutting slips stored in vinyl and vermiculite treatment. Root length was long (2.8 ± 0.13 ea) in parafilm storage using soil. Maximum plant height was 135.33 ± 12.81㎝ with gauze storage using vermiculite. The number of leaves was maximum (130 ± 2.5 ea) at 90 days from the cutting slips of gauze storage using vermiculite. Highest number of fruit was harvested (149 ± 16.05 ea) from the cutting slips stored in parafilm and grown in vermiculite. It can be concluded that the storage treatment and soil type influence the affecting to general growth of Lycium chinense Mill.
발광플라즈마 처리에 의한 들깨 부위별 항산화 및 Tyrosinase 저해 활성 효과
유지혜,최재후,강병주,전미란,이찬옥,김창흠,성은수,허권,유창연,최선강 한국약용작물학회 2017 한국약용작물학회지 Vol.25 No.1
Background: The light emitting plasma (LEP) has recently attracted attention as a novel artificial light source for plant growth and functional component enhancement. We investigated the effects of LEP on whitening and antioxidant activities of the plant parts of perilla. Methods and Results: Previously germianted seeds of perilla were cultivated under different light conditions (fluoresce lamp, LED red, blue, white, green, and LEP) in a culture room for 2 months. Parts of perilla were harvested and extracted in 70% EtOH. The extracts were used to detect total phenolic contents, total flavonoid contents, 2,2-diphenyl-1-picrylhydrazyl (DPPH), 2,2’-azino-bis- 3-ethylbenzothiazoline-6-sulfonic acid (ABTS), reducing power and tyrosinase inhibition activity as indicators of biological activity. Biological activity was highest in seedlings grown under LEP. The total phenolic content was highest in the stems and the total flavonoid content was highest in the roots of perilla exposed to LEP. The DPPH and ABTS radical activity in all the parts of perilla exposed to LEP were higher by approximately three-fold compared to that in the control (fluoresce lamp). The reducing power values of perilla significantly increased after treatment with LEP. In addition, all the extract of perilla plants exposed to LEP promoted the tyrosinase inhibitory activity. These results suggest that LEP can be an important artificial light source for enhancement of biological activity. Conclusions: LEP could promote whitening and antioxidant activity of perilla.