Abstract
AbstractBiosynthesis of carotenoids and steroids in tissue cultures of carrot cells I Daucus carota L.) was studied by measuring the change in their contents and incorporation of 14lC‐acelate. The rate of synthesis of these plant products varied significantly during the growth cycle in batch culture. Carotenoids were most actively synthesized in the early logarithmic phase and the synthetic rate sharply declined as the culture aged, whereas the rate of accumulation of phytosterols was highest at the end of the growth phase. Newly synthesized carotenes were shown to undergo turnover during the growth. The synthesis of both carotecnoid and steroid was stimulated by 2.‐ 4‐dichlorophenoxyacetic acid.
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