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Agrobacterium rhizogenes 에 의하여 형질전환된 인삼 ( Panax ginseng C. A. Meyer ) 의 모상근 배양에 의한 Saponin 생산
황백(Baik Hwang),고경민(Kyeong Min Ko),황경화(Kyeong Hwa Hwang),황성진(Sung Jin Hwang),강영희(Young Hee Kang) 한국식물학회 1991 Journal of Plant Biology Vol.34 No.4
Cultures of hairy root induced from ginseng(Panax ginseng C.A. Meyer) transformed with Agrobacterium rhizogenes (strain A_4, ATCC 15834) were established and morphologically two different hairy root strains (HB1, HB2) were obtained. To determine the optimum growth rate, the hairy root (HB2) was cultured in various liquid medium supplemented with or without plant growth hormone. The growth rate of hairy root cultured on MS medium was 1.3-3.1 times higher than those cultured on other media, and the optimum sucrose concentration and pH were 3-6%, 5.5-6.5, respectively. Also, the growth rate of hairy root was increased when 0.02 M ammonium nitrate, 1.2 mM potassium phosphate (monobasic) and 0.5 mg/l IBA were supplied to liquid medium. The saponin patterns and contents of hairy root (HB2) were determined by TLC and HPLC. The crude saponin contents were 4.67% and the total saponin contents were 1.0%, on dry weight basis.