The seeds of nine Herrania and nine Theobroma species were surveyed for fatty acid, sterol, tocopherol and tocotrienol compositions. Principal component and cluster analyses suggested that these analytes could be used collectively as chemotaxonomic criteria to differentiate the Herrania species from the Theobroma species, as well as to provide subgroup distinctions within each genus for comparison to the existing classification schemes.
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Carpenter et al. (1994) studied this question.
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