... lignan hinokinin, was examined in leaves and stems of H leucocephala The results ascertained in the single chapters can be summarized as follows: The higher levels of N, P, or K supply (in the range ... development of new drugs So far, neither there is information on the propagation and cultivation of the species, nor on the significance of growth conditions for the accumulation of biochemicals in the ... at the expense of centelloside synthesis Therefore, the objectives of the present study were to examine the significance of N, P, or K supply for herb and leaf production and for saponin and...