Abstract
Key message
The structure of petals and volatile compounds from fresh Styrax tonkinensis cut flowers were investigated by using micro-techniques and a headspace solid-phase micro-extraction technique coupled with GC–MS.
Abstract
Styrax tonkinensis is a fast-growing woody plant that is used for timber and as a medicinal plant. In the present study, the structures of the flower petals of S. tonkinensis were investigated and volatile compounds emitted from the petals were identified. Light microscopy, scanning and transmission electron microscopy were used to describe petal structure. The volatile constituents were analyzed using a headspace GC–MS technique. Results indicated that glandular hairs and 8–9 layers of parenchyma cells in the cream-white petals play a key role in emitting the fragrance. An analysis of the volatile components emitted by the cut flowers of S. tonkinensis at two stages of flower development (prior to and at anthesis) indicated that monoterpenes, such as 1,3,6-octatriene, 3,7-dimethyl-(Z), and α-pinene, were the most abundant volatile components in all samples.
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Author contribution statement
Liping Xu is responsible for designing, finishing the experiment, data acquisition and analysis, manuscript preparation, and so on. Fangyuan Yu provided helpful suggestions in data analysis and final approval of the version to be published.
Acknowledgments
The authors acknowledge the funding received from the Priority Academic Program Development of Jiangsu Higher Education Institutions. We would especially like to thank Mrs. Xihua Gan from Nanjing Forestry University and Sheng Yu from Nanjing University of Chinese Medicine for technical assistance.
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The authors declare that they have no conflict of interest.
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Communicated by K. Masake.
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Xu, L., Yu, F. Corolla structure and fragrance components in Styrax tonkinensis . Trees 29, 1127–1134 (2015). https://doi.org/10.1007/s00468-015-1193-4
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DOI: https://doi.org/10.1007/s00468-015-1193-4