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이상선,이영남,유정희 한국균학회 1991 韓國菌學會誌 Vol.19 No.1
Three isolates of yeast utilizing phthalic compounds as a sole carbon source were obtained from the surface waters exposed to the industrial effluents near Cheong Ju city. On the basis of microscopic observations on morphology and various biochemical characterizations, the three isolates were identifed as a species of Rhodotorula, Candida or Torulopsis. A number of aromatic chemicals including phthalic compounds would support the growth of these yeasts as a sole carbon source, Thus, the yeast isolates would have potentials in reduction of environmental burden due to industrial wastes of aromatic hydrocarbons.
보리짚의 사료가치 증진에 관한 연구 제5보 계분첨가의 효과 및 Silage 의 숙성효과
이상선,김춘수 ( Sang Sun Lee,Chun Su Kim ) 한국축산학회 1979 한국축산학회지 Vol.21 No.4
Effects of the addition of fresh poultry manure and aging on the process of barley straw silage fermentation were investigated For a period of 60 days. B aley straw and poultry manure were mixed with water (50-60% moisture content of silage) and various additives (glucose, corn, and barley) and ensiled in 0.1mm thick vinyl bag. The pattern of organic acid production varied according to the kind of additive added. after 60 days of ensiling, the NFE content of silage decreased 3-5%, the uric, arid being decomposed 90-95%, and the protein content increased 5-8%. Microbial study showed that the population of microorganism was 10^7 to 10^8 and did not vary significantly throughout the experimental period. The dominant strain was identified as heterofermentative lactic acid bacteria ire 45 days and 60 days silage. The silage contained 5%TDN when determined by iv DMD method. The value was 66.6% higher than raw barley straw, and palatability of the silage also increased significantly.