Some Accounts on Culture Conditions of Callus Tissues ofSolanum laciniatumAit. for Producing Solasodine

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Abstract
Production of solasodine in callus cultures of Solanum laciniatum Ait. was examined under several culture conditions. The steroidal alkaloid was produced more actively in rapidly proliferating callus tissues cultured on PN medium. The alkaloid concentration in the tissue was about 0.05% (dry weight basis) during the first 5 weeks’ culture. The highest accumulation of the alkaloid per culture was obtained with 2,4-d concentration in the medium at 1~2 ppm. It is noteworthy that the alkaloid production was not inhibited by such high concentration of 2,4-d as up to 10 ppm in the medium. Supplementation of kinetin slightly increased the alkaloid production.

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