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von Schantz et al. (1966) determined the changes that took place in the flower oil and leaf oil of camphor chemotype, alpha;-thujone chemotype and the borneol/1,8-cineole chemotype of Tanacetum vulgare L. (tansy) during the lifetime of the inflorescence. The data obtained from the study on the camphor chemotype, alpha;- thujone chemotype and the borneol/1,8-cineole chemotype can be seen in T-1–T-3.
An oil produced from tansy ex T. vulgare L. (syn. Chrysanthemum vulgare Bernh.) was analyzed by Stahl and Scheu (1967). This oil was found to contain umbellulone (70%) and thymol (15–20%) as main constituents. von Schantz and Forsen (1971) analyzed an oil produced from T. vulgare that was found to be rich in beta;-thujone. The composition of this oil was as follows: