Fig. 2: The effects of various concentrations of chitosan on root growth (a), total alkaloid production of 1', 2'-didehydrostemofoline
(b) and total alkaloid production of stemofoline (c). The data were shown mean of triplicates. (The light bar and the dark bar
represented one week and two weeks cultured period, respectively
Table 2:The effects of various concentrations of chitosan on 1', 2'-didehydrostemofoline (a) and stemofoline (b) production. The data were shown
mean of triplicates and±S.D. values were presented.