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유채의 지방산조성육종에 관한 연구 4 : 재배장소를 달리하여 재배한 유채유의 지방산조성변화
李正日,志賀敏夫,高柳謙治 韓國作物學會 1975 한국작물학회지 Vol.- No.19
1. 환경조건을 달리하여 재배한 유채유의 지방산조성은 품종과 지방산의 종류에 따라 다르나 일반적으로 함량이 낮은 지방산에서는 함량차가 적은데 대해서 함량이 높은 Erucic acid에서는 뚜렷한 차가 있었다. 2. 국내의 3개지역에서 재배된 유채품종의 지방산조성은 목포가 제주, 강릉보다 Erucic acid함량이 높으며 Oleic acid와 Linoleic acid함량은 낮았다. 어느 경우나 단쇄지방산과 장쇄지방산과의 사이에는 높은 부의 상관이 있었다. 4. 목포에서 재배된 유채종자가 Erucic acid함량이 높았던 원인은 등숙기간의 적산온도가 낮고 강수량이 많으며 일조시수가 적은데 있으며 이들 환경조건과 Erucic acid함량과의 사이에는 각각 높은 상관관계가 있으며 이같은 경향은 한국과 일본의 지역차에서도 같은 원인과 상관관계가 성립되었다.5. 지방산개량육종은 등숙기간의 온도가 낮고 강수량이 많으며 일조량이 적어서 Erucic acid함량이 높아지기쉬운 지역에서 육종하는 것이 효과적이다 Difference of fatty acid composition of rapeseeds from different regions in Korea and Japan were found. Erucic acid content of the rapeseeds produced in Korea, particulary in Mokpo was higher than that produced in Japan. While, the contents of oleic and linoleic acids produced in Korea were lower than those produced in Japan. It was considered being due to temperature, amount of precipitation and hours of sunshine during the maturing period.
유채의 지방산조성개량육종에 관한 연구 -제V보 유채재배시기이동에 따른 종실유의 지방산조성변화-
이정일,지하민부,고류겸치,Lee, Jung-Il,Shiga, Toshio,Takayanagi, Kenji 한국작물학회 1975 한국작물학회지 Vol.- No.19
The fatty acid composition of the oil in the rapeseed grown by spring and autumn planting were determined by gas liquid phase chromatography. Erucic acid content of the rapeseed oil grown by autumn planting was higher than that produced by spring planting, but the contents of oleic acid and linoleic acid were lower in autumn planting than those in spring planting. There was significant difference at 1% level between seasonal plantings. The reasons for the different fatty acid compositions were the low integrated temperature, the high amount of precipitation and the short hours of sunshine during the maturing period in autumn planting.
油菜의 脂肪酸組成改良育種에 關한 硏究 Ⅵ. 油菜登熟中의 脂肪酸合成에 미치는 O-erucic acid 遺傳子의 作用
J. I. Lee(李正日),K. Takayanagi(高柳謙治),T. Shiga(志賀敏夫) 한국육종학회 1974 한국육종학회지 Vol.6 No.2
The process of fatty acid synthesis of high-erucic acid varieties and O-erucic acid variety were investigated during the maturing period of rapeseeds. The fatty acid composition showed highly significant difference between both variety groups around 30 days after flowering Any significant differences in fatty acid composition between two variety groups were not detected in the former period of 30 days after flowering. O-erucic acid variety contained some amount of erucic acid. However, erucic acid synthesis was discontinued in O-erucic acid variety in the later period of 30days after flowering. Rapeseed oil contained much amount of M.G. in the initial stage of maturity (30days after flowering). The amount of erucic acid containing in O-erucic acid variety was ranged from 6 to 37% in M.G. and D.G. gene reaction of O-erucic acid started from the later of 30days after flowering and fatty acid synthesis was significantly different at two stages : initial and late period of maturity in rapeseeds.