Identification and quantification of brassinolide-related steroids in the insect gall and healthy tissues of the chestnut plant |
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Authors: | Masahiro Arima Takao Yokota Nobutaka Takahashi |
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Affiliation: | Department of Agricultural Chemistry, The University of Tokyo, Bunkyo-ku, Tokyo 113, Japan |
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Abstract: | Castasterone and 6-deoxocastasterone were identified by GC/MS and/or selected ion monitoring not only in the insect gall of chestnut but also in the healthy tissues, including the shoot, leaf and flower bud. In addition, the gall was found to contain a small amount of brassinolide. Brassinone, which had been reported to be present in the gall, could not be detected in these tissues. The contents of castasterone, 6-deoxocastasterone and brassinolide, which were determined by using selected ion monitoring, are discussed. |
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Keywords: | Fagaceae chestnut insect gall steroidal growth promotors castasterone 6-deoxocastasterone brassinolide brassinone. |
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