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잔대 잎 첨가에 의한 백삼 추출물의 품질 특성 및 항산화 활성
김선익,지무근,박용찬,장원석,권아름,길기정,이가순 한국식품영양과학회 2022 한국식품영양과학회지 Vol.51 No.12
백삼의 소비증대를 위하여 우수한 항산화 활성을 가진 잔대 잎을 백삼 대비 0, 1.0, 2.5, 5.0, 7.5 및 10.0% 첨가 혼합 추출하여 그 추출액에 대한 항산화 활성을 분석하였다. 백삼 추출물의 총 폴리페놀과 총 플라보노이드 함량은 각각 0.67 ±0.11 mg・GAE/mL 및 1.16±0.08 mg・QE/100 mL였고 잔대 잎 추출물에서는 10.22±0.24 mg・GAE/mL 및 145.67 ±8.17 mg・QE/100 mL였으며, DPPH 라디칼 소거능은 잔대 잎을 2.5%만 첨가하여 추출한 백삼 추출물에서 IC50의 소거능에 필요한 추출액량이 189.48±1.74 μL/mL로, ABTS 라디칼 소거능은 잔대 잎을 5%만 첨가한 추출물에서 IC50의 소거능에 필요한 추출액량이 71.01±2.97 μL/mL로 백삼만의 추출액의 DPPH 및 ABTS 라디칼 소거능 IC50(429.61± 2.82 μL/mL 및 152.75±11.71 μL/mL) 필요량보다 2배 이상 상승효과를 주었다. 잔대 잎을 5∼10% 첨가한 추출물에서 총 진세노사이드와 β-carotene은 1.00∼1.06 mg/mL 및 0.64∼1.26 μg/mL의 함량을 보였으며, 백삼에 잔대 잎 첨가량에 따른 백삼 추출물에서 총 폴리페놀, 총 플라보노이드, 총 진세노사이드 함량 및 항산화 활성에 대한 높은 상관성을 보였다. 따라서 잔대 잎 첨가에 의한 백삼 추출물의 항산화 활성을 향상할 수 있었으며, 이로 인한 새로운 백삼 제품 개발이 가능할 것으로 판단된다.
김선익,최봉규,김현호,양계진 中部大學校 自然科學硏究所 1999 自然科學硏究論文集 Vol.8 No.1
인삼 토양병의 생물학적 방제를 위하여 인삼 근권토양에서 길항세균을 분리. 선발 하였으며 선발된 길항세균을 인삼종자와 유묘에 처리한 다음 실내 및 포장시험을 통해 생물학적 방제의 가능성을 조사하였다. 인삼근권토양으로부터 56개의 길항세균을 분리하였는데, 고년근일수록 인삼근권토양에서 길항세균의 분리빈도는 적었다. 작물에 비병원성이며 저온, 저영양조건에서 Botrytis cinerea, Fusarium solani, Cylindrocarpon destructans, Alternaria panax, Rhizoctonia solani, Phyeophthora cactorum 그리고 Pythium sp. 균에 항균활성을 보이는 B2, B12, 17N6-1, S21, 16P5균주가 유용 길항세균으로 선발되었다. Rhizoc- tonia solani의 방제를 위한 포트시험 결과 S21균주와 16P5균주가 우수하였으며, S21균주는 Botrytis cinerea에 대한 방제가 46.4%로 가장 효과가 높았다. 인삼종자의 Bacterization 효과에 대한 포장 검정에서 S21, 16P5, 및 17N6-1균주가 인삼의 뿌리썩음병 방제에 매우 효과적이었고, 담체로는 Perlite와 Talc가 좋았다. Isolation and selection of antagonistic rhizobacteria were performed for biological control on soil-borne disease of ginseng in pot and field trials, and to analyse enchance conditions for antibiotic activity and colonization in rhizosphere, this study was conducted. 56 strains of antagonistic rhizobacteria were isolated from rhizosphere soils of ginseng fields. frequency of its occurrence was low with agd of ginseng. B2, B12, 17N6-1, S21 and 16P5 strain were selected as beneficial antagonistic bacteria based on results from pathogenicity test on ginseng and other crops, and test of antagonistic effect on major pathogens of ginseng. these strains could grow well under the low temperature and low nutrition condition. In pot trials for control of Rhizoctonia solani. S21 and 16P5 strain had much better antibiotic activity. in addition S21 strain also showed high control value on Botrytis cinerea. Three strains, S21, 16P5, 17N6-1, were very effect for root rot disease control by seed bacterization in field trials. Perlite and talc were better as a coating material for control.
김선익,성봉재,이가순,지무근,김수동,김현호,조진웅 한국약용작물학회 2018 한국약용작물학술대회 발표집 Vol.2018 No.10
Background : Among registered fungicides for controlling ginseng disease, the disease occurrence rate from the mixed use of a single ingredient, mancozeb WP, and copper sulfate basic WP was examined, and experiments were conducted to establish safe disease control system. Methods and Results : As for the medicines used for the experiments, besides registered Pyraclostrobin WG as a single ingredient for ginseng disease control, 14 kinds were used for experiments. The fungicide was sprayed 5 times on June 21, July 4, July 16, August 2 and August 24. The examination was conducted 5 days, 10 days, 15 days, and 20 days after the final fungicide treatment. Anthracnose occurrence rate 5 days after the final fungicide treatment was 0.0 - 61.3% which was different depending on fungicides, and in a single treatment, the occurrence rate was less than 1% in 6 fungicides. In the single treatment, the occurrence rate was more than 1%, but 9 kinds of fungicides which had less than 1% occurrence rate in the case of mixed use with mancozeb, and one kind in the case of mixed use with copper sulfate basic 10 days later, the occurrence rate was 0.0 - 100% and there were lots of differences in the disease occurrence rate depending on fungicides. 10 kinds of fungicides showed the disease occurrence rate of more than 10.0% in the case of a single treatment. Among them, 9 fungicides showed the disease occurrence rate of less than 1.0% in the case of mixed use with mancozeb, indicating the effect of lowering disease occurrence rate in the case of mixed use. 15 days later, 9 fungicides showed disease occurrence rate of more than 2%, 1 kind of fungicide had the disease occurrence rate of less than 1%, and the overall disease occurrence rate increased. Among them, 7 kinds of fungicides showed the disease occurrence rate of less than 1% from the mixed use. 20 days later, 12 kinds of fungicides showed the disease occurrence rate of more than 50%, and only 1 kind of fungicide showed the disease occurrence rate of less than 1%. In the case of mixed use with mancozeb, 2 kinds had the disease occurrence rate of less than 10% and 1 kind of fungicide had the disease occurrence rate of less than 1%. Conclusion : For prevention of anthracnose disease of ginsengs during a rainy season, the disease occurrence rate from a single or mixed use was examined, and the examination found that rather than a single use, mixed use decreased the disease occurrence rate. In particular, the mixed use with mancozeb showed low disease occurrence rate and prevented the disease occurrence rate for a long time.