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음양곽, 백출 및 원지의 독성평가를 위한 성분분석 및 안정성 시험
금정호,한형윤,석지현,노항식,이종권,정자영,김정아,우미희,최재수,민병선 한국생약학회 2014 생약학회지 Vol.45 No.2
A simple and reliable reverse phase HPLC method was developed to determine pharmacologically active markercompounds of Epimedii Herba, Atractylodis Rhizoma Alba, and Polygalae Radix. The stability test of water-extracts of thethree natural medicines has been evaluated for six months. However, no significant changes in the content of the marker compoundsof each extract were observed during the time of investigation.
金政炫,崔在益 경희대학교 부설 식량자원개발연구소 1987 硏究論文集 Vol.8 No.-
Gaseous effluent emitted from the excrements of domestic animals were qualitatively analyzed by gas chromatography using PEG colume. The major organic compounds emitted from the excrement of the chicken were identified to be methyl ethyl ketone, secondary butylalcohol, ethyl isobutanoate, and otehrs. In the pig excrements, however, propionic acid, isobutyric acid, paracresol, and others were detected. The composition of the emitted gas was, changed depending upon the sampling time. Malodors from the excrements of the domestic animals were studied. Deodorization of ammonia which affects to odor strength could be obtained by means of the chemical oxidation utilizing KMnO_(4), H_(2)O_(2), NaOCl and H, O_(2) -NaOCl.
收穫期와 貯藏條件에 따른 단옥수수의 品質變化에 關한 硏究
金正哲,盧泳德 경희대학교 부설 식량자원개발연구소 1988 硏究論文集 Vol.9 No.-
Experiments were carried out to determine the optimum harvesting time and the optimum storage temperature and duration of sweet and super sweet corns. Days to silking could be enchanced by vinyl house, vinyl tunnel, or vinyl mulching compared to the conventional bare soil cultivation. Grain development in dry weight was delayed in the case of super sweet corn (NES) and vinyl house or tunnel, compared to sweet corn (CBS70) and vinyl mulching or bare soil cultivation. Soluble solids in the grains were higher and the accumulation was faster in the case of sweet corn compared to the super sweet corn. The optimum harvesting time for sweet corn (GCB70) and super sweet corn appeared to be 24 and 27 days after silking respectively. Though, the harvesting time was delayed by 1 to 3 days by vinyl house or tunnel cultivation. The dominant sugar in the grains at harvest was sucrose for the two sweet corns. But the sucrose contents were much higher in the case of super sweet corn. The decrease of suger during storage could be reduced by cool or freeze storage. Also the decrease rate was much slower for the super sweet than sweet corn.