A new triterpene alcohol is isolated from tea (Thea sinensis, Theaceae) seed oil, and its structure is shown to be 5α‐tirucalla‐7,24‐dien‐3β‐ol. This triterpene alcohol is considered to be a possible biogenetic precursor to the meliane and meliacan series of oxygenated triterpenes. Gas liquid chromatographic and proton magnetic resonance spectroscopic correlations between euphane and tirucallane series triterpenes also are discussed.
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Itoh et al. (1976) studied this question.
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