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      • KCI등재후보

        유기 바나듐의 처리 방법 및 농도가 차나무(Camellia sinensis L.) 신초 흡수에 미치는 영향

        송인관,김태균,강성근,이상순,송관정 한국차학회 2013 한국차학회지 Vol.19 No.2

        본 연구는 기능성이 강화된 차를 개발할 목적으로 차나무의 유기 바나듐 흡수능을 평가하기 위하여 수행하였다. 유기 바나듐은 차기별로 농도를 달리하여 관주시스템과 엽면시비로 료후 품종과 야부기다 품종에 처리하였다. 6.0ppm 이상의 농도를 관비 시스템으로 처리하였을 경우, 1심 3엽기에 비해 1심 1엽기에 일찍 관주처리 했을때 신초의 바나듐 함량을 증가시켰다. 재배장소에서는 포트재배 차나무가 노지포장에 재식된 차나무보다 높은 흡수능을 보여주었다. 엽면시비에서는 수확 전 1회 살포는 식물이 생장함에 따라 희석 효과를 가지며, 3회까지 처리 횟수를 증가함에 따라 신초의 유기 바나듐 함량은 증가하는 경향을 보여 주었고, 이는 모든 차기에 관계없이 유사하였다. 신초의 위치에 따라 모든 잎의 바나듐 함량은 동일하지 않고, 오래된 하위엽에서 높은 함량을 나타내었는데, 이는 신초가 생장함에 따라 상위엽에서 희석효과를 가지기 때문인 것으로 추정되었다. This study examined the capacity of tea plants to absorb vanadium with the purpose of developing a special tea with added functional components. Chelated vanadium was supplied to ‘Ryohu’ or ‘Yabukita’ tea plants using a fertigation system or foliar spray at different concentrations in different tea seasons. Tea leaves treated by fertigation above 6.0 ppm showed a higher vanadium content than the control and the fertigation supply at the early stages of one leaf abud increased the vanadium content of the tea leaves compared tofertigation at the later stages of three leaves abud. Potted plants showed a higher absorption rate than the plants growing in a nopen field. Spraying once 15 days before harvesting had a dilution effect as the plants grew and increasing the spray timesto up to three times had a tendency to increase the vanadium content in tea leaves, which was in accord with the different tea seasons. The vanadium contents were not the same in the tea leaves at different positions harvested after being treated with chelated vanadium, and the old leaves located at the lower part of the shoots had a higher content, which might be caused by dilution as the shoots grow.

      • KCI등재후보

        제주지역 차나무(Camellia sinensis L.)의 차기별 생육단계에 따른 신초의 연차적 품질특성

        송인관,김용덕,김봉찬,강성근,송관정 한국차학회 2012 한국차학회지 Vol.18 No.2

        제주지역 환경조건에서의 차 품질에 영향하는 요인을 평가하고자 차기별 신초의 생육단계에 다른 품질관련 성분특성을 분석하였다. 중생종 야부기다 품종을 이용하였으며, 신초의 생육단계를 1심 1엽기부터 1심 5엽기까지 5단계로 구분하였다. 총 유리아미노산과 데아닌 함량 변화는 3개년 모두 1번차가 가장 높게 나타났고, 생육단계에서는 채엽이 늦어질수록 점차 감소하는 경향을 나타냈다. 연차간 변화는 2011년도에는 2번차가 가장 낮았던 반면, 2010년도에는 2번차와 3번차에서 가장 낮게 나타났다. 카테킨 함량은 3개년 모두 생육단계가 진행되어 채엽이 늦어질수록 감소하는 경향이었고, 수확기 간에는 아미노산과는 달리 2번차에서 가장 높았다. 카페인 함량은 3년 동안 1번차에서 가장 높게 나타났고, 생육단계에 따라서는 1심 1엽에서 가장 높았고, 1심 5엽으로 생육이 진행됨에 따라 뚜렷이 낮아지는 경향을 보였다. 탄닌 함량 변화는 생육이 진행될수록 함량은 감소하는 경향이 뚜렷하였으나, 비타민 C의 함량은 거의 변화가 없었으며, 조섬유의 함량은 뚜렷이 증가하는 경향이었다. 연차적 변이는 탄닌, 비타민 C, 조섬유 함량 모두 매우 적은 것으로 나타났다. This study was conducted to evaluate factors affecting tea quality with analyzing shoot quality in'Yabukita' cultivar at different harvesting seasons and shoot growth stages. Shoot growth stage consisted of five growth stages from one and a bud to five, respectively for a cultivar of ‘Yabukita’ (middle maturing) grown at Jeju, Korea. In evaluating yearly variation for three years in shoot quality of ‘Yabukita’, tendencies of component contents with different growth stages and harvesting seasons were so similar. Total free amino acids and theanine contents were the highest at the 1st crop and declined as growth stages proceeded for three years, whereas the lowest at the 2nd crop in the year of 2009 and 2010 and at the 2nd and 3rd crop in the year of 2010. Total catechins contents declined as growth stages proceeded for three years and was the highest at the 2nd crop. Caffeine contents had similar tendency to catechins with different growth stages, but the highest at the 1st crops for three years. There was distinctive decrease in tannin contents, whereas not fluctuant in vitamin C contents and distinctive increase in crude fiber contents. Tannin, vitamin C, and crude fiber were components having very small yearly variation in contents with different growth stages and harvesting seasons.

      • 국균종을 동반한 알레르기성 기관지폐 아스페르길루스증 1례

        송인관,정은아,차동엽,최환원,나동집 대한알레르기학회 2000 천식 및 알레르기 Vol.20 No.5

        A 61-year-old woman with a history of asthma and pulmonary tuberculosis was presented with purulent bloody sputum. She was treated as having lung abscess initially, but her signs and symptoms did not improve with traditional therapy. Finally, in the clinical course and laboratory data during hospitalization, she was diagnosed as ABPA with coexistent aspergilloma. Thereafter she was treated with itraconazole for aspergilloma, and corticosteroid for ABPA. The symptoms of hemoptysis and dyspnea were improved. A case of ABPA with coexistent aspergilloma and a brief review of the literature were presented.

      • KCI등재후보

        신규다원에서 잡초관리 방법이 잡초 발생 및 차나무 생육에 미치는 영향

        송인관,김용덕,윤정희,송정흡,고성준,송관정 한국차학회 2010 한국차학회지 Vol.16 No.2

        To develop an effective method for weed control in a newly established tea plantation, various methods of weed management such as soil mulching and growth of cover crops were evaluated in 3 to 4 year-old Hushun cultivar for 3 years in Jeju. The occurrence and occupancy of weeds differed depending on the weed management method applied, with White clover and Red clover suppressing weeds most effectively. Regarding the growth characteristics of covering crops, Italian ryegrass was taller than tea tree, Red clover and Crimson clover were similar, and White clover grew well for the first two years after seeding but was still shorter than tea tree. Biomass production from the control (noninterfered grown weeds) was the highest, followed by Italian ryegrass and Crimson clover. Effect of different weed management methods on the growth of tea tree was negligible. There was no significant difference between the treatment methods on soil. These results indicate that White clover was the most appropriate weed management method for increased tea tree growth, soil properties and weed suppression.

      • KCI등재

        국내육성 차나무 품종의 신초에서 차광이 신초의 생육과 성분 특성에 미치는 영향

        송인관,김성배,김보화,윤정희,홍순영,송관정 한국차학회 2018 한국차학회지 Vol.24 No.3

        This study was designed to obtain basic data for developing production techniques of green tea powder with high quality from shading cultivation for tea varieties developed in Korea. Shading was treated by covering the shoots of three Korean tea cultivars with a 75% or 95% shading net for 15 days before plucking in each tea season. Each black polyethylene shading net was installed to produce an air space of 30 cm in height above the canopy using a supporting pole. The illuminance transmission rate was measured at 10:00 a.m. in the 3rd tea season covering with an illuminance meter (KONICA MINOLTA T-10A, Japan) at the canopy surface composing the plucking area. Shoot growth under the natural condition for control and shoot yield and the component characteristics from shading treatments were analyzed. The shoot height was 10.9 cm, ‘Chamnok’ > 9.2 cm, ‘Keumsull’ > 7.1 cm, and ‘Beachwisull’. The leaf length was longest in ‘Chamnok’ at 9.5 cm, followed by ‘Beachwisull’ at 8.7 cm and ‘Keumsull’ at 6.5 cm. The leaf width had a similar tendency to that of the leaf length, whereas the leaf thickness was greatest in ‘Beachwisull’ at 0.31 mm, followed by ‘Chamnok’ at 0.27 mm and ‘Keumsull’ at 0.25 mm. The number of shoots per 1㎡was 2,114 for ‘Keumsull’, 1,797 for ‘Chamnok’, and 1,592 for ‘Beachwisull’. The shoot yield from shading was much higher for ‘Chamnok’ than ‘Keumsull’ and ‘Beachwisull’. In terms of the component characteristics, covering with 95% and 75% shading nets had a tendency to increase the content of amino acids, theanine, and caffeine, but a reverse tendency in the content of cathechins, vitamin C, and tannin was observed. The crude fiber content was lower in the 1st and 2nd tea season, but higher in the 3rd tea season as the shading rate was increased. The chroma a value, indicating the degree of greenness, tended to decrease significantly as the degree of shading was increased. In a comparison of cultivars, ‘Beachwisull’ was higher in amino acids, theanine, catechin, and caffeine, whereas the levels of vitamin C and crude fiber were higher in ‘Keumsull’. Chroma a was higher for ‘Keumsull’ < ‘Beachwisull’ < ‘Chamnok’ in order during all tea seasons, which indicated a higher degree of greenness in ‘Beachwisull’ and ‘Keumsull’ compared to ‘Chamnok’.

      • KCI등재

        국내육성 차나무 품종별 차광기간이 신초의 생육 및 품질특성에 미치는 영향

        송인관,김승남,양석철,양우삼,윤정희,고상환 한국차학회 2019 한국차학회지 Vol.25 No.1

        This study investigated the effects of shading period on the growth and quality characteristics of shoots with powder green tea production for foodstuffs in domestic green tea cultivars. Shading was treated by covering the shoots of three Korean tea cultivars with 95% shading net for 5 days, 10 days, and 15 days before harvest in each tea season. The length and width of leafs were lengthened and widened as the shading period was longer. The yield increased as the shading period was longer for both the 1st and 2nd tea seasons. With respect to component characteristics, longer shading period was correlated with increased contents of total nitrogen, amino acids, theanine, and caffeine; however, longer shading period was correlated with decreased contents of cathechins, vitamin C, and tannin. The chroma a value indicating the degree of greenness tended to decrease significantly as the shading period increased and the growth progressed. The amino acid content (%) tended to decrease as the growth progressed in all treatments. However, the longer the shading period, the amino acid content (%) was lower. Catechin contents tended to decrease after shading and then increase again as the growth progressed. 본 연구는 국내육성 차나무 품종을 대상으로 식재료용 가루녹차 생산을 위하여 차광기간이 신초의 생육 및 품질특성에 미치는 영향을 분석하고자 수행되었다. 차광은 국내육성 차나무 3품종의 신초에 차광망 95%를 수확 전 5일, 10일, 15일경에 피복하였다. 피복방법은 FRP 지주대를 활용 수관 위 30 cm 공간을 확보하도록 차광망 피복을 실시하였다. 차광기간이 신초의 생육특성과 수량성에 미친 영향은 차광기간이 길어질수록 엽장과 엽폭이 넓고 길어졌고, 수량성도 1번차와 2번차 공히 증가하는 경향을 보였다. 신초의 품질특성에 미친 영향은 차광기간이 길어질수록 총 질소, 아미노산, 테아닌과 카페인 함량(%)은 증가하였고, 카테킨, 비타민 C와 탄닌은 낮아지는 경향을 보였다. 색도 a*는 차광기간이 길어질수록 낮아지는 경향을 보였으며, 차광 후 생육이 진전됨에 따라 낮아지는 정도는 차광기간이 길수록 더욱 뚜렷하였다. 아미노산 함량의 변화는 모든 처리에서 생육이 진전됨에 따라 낮아지는 경향이었으나, 차광기간이 길어질수록 낮아지는 정도가 완만하였다. 카테킨 함량의 변화는 신엽의 초기에는 높게 유지되고 일정한 시점까지는 낮아지는데, 낮아지는 정도는 차광기간이 길어질수록 완만하였고 이후 다시 높아지는 경향을 보였다.

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