Chemotypes distinguishing features

One of the distinguishing features of liverworts is their capacity to produce a variety of volatile, often very fragrant, oils that occur in oil bodies distributed over much of the surface of the organism. Several of these volatile compounds figure prominently in defining geographically different chemotypes in several countries. Toyota et al. (1997) examined 280 specimens of C. conicum collected at Kamikatsu-cho and Katsuura-cho, both Katsuura-gun, Tokushima. Three chemotypes were identified based upon their major components. Chemotype-I-accumulated (-)-sabinene [420], chemotype-II-accumulated (H-)-bomyl acetate [421], and chemotype III was characterized by methyl cinnamate [422] (see Pig. 5.4 for structures). In addition to a number of compounds known from previous studies of C. conicum, three... 

Against the above background, the following main features distinguish the two known primitive chemotypes, Archaea from bacteria (see Table 5.1) ... 

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