Abstract
ABSTRACT The relative content of taxol and taxanes in rooted cuttings (˜ 1 year old), liner (3–4 years old), and landscape-size (7–8 years old) Taxus plants was investigated. Leaves contained a higher concentration of paclitaxel and taxanes than other plant tissues. The concentration of taxanes in the stems was relatively small and resulted in dilution of the taxanes in the whole plant biomass of liner and landscape-size plants. The small size of rooted cuttings (average dry weight = 0.94 g/plant) and liners (average dry weight = 39 g/plant) meant separation of leaves from stems and roots would not be practical. For the rooted cuttings, no substantial reduction in the paclitaxel/taxanes concentration resulted from extracting the whole plants versus leaves.
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