Variation in the Concentrations of Major Secondary Metabolites in Ginkgo Leaves from Different Geographical Populations
AbstractGinkgo biloba L. is a well-known relict tree species and an important medicinal plant. Ginkgo is rich in secondary metabolites (SMs), mainly including flavonoids, lactones, and ginkgolic acid. The aim of this study was to determine variations in the concentrations of these SMs in Ginkgo leaves from different geographical populations. The SMs in the leaves of 298 clones from 10 geographical populations grafted under the same conditions were extracted and measured by high performance liquid chromatography (HPLC). The results showed that there were significant differences in concentrations of SMs in leaves from different populations (p < 0.01). The concentrations of both flavonoids and lactones were significantly negatively correlated with that of ginkgolic acid. Altitude and annual rainfall were important factors influencing the concentrations of lactones, and the frost-free period influenced the concentration of isorhamnetin. Population Yingdianjie (YDJ) was ideal for the plantations from which medicinal flavonoids and lactones are extracted, followed by populations Xiaopu (XP), Anlu (AL) and Wuchuan (WC). As variations within each population were found, attention should be paid to selection within populations. View Full-Text
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Zhou, Q.; Mu, K.; Xu, M.; Ma, X.; Ni, Z.; Wang, J.; Xu, L.-A. Variation in the Concentrations of Major Secondary Metabolites in Ginkgo Leaves from Different Geographical Populations. Forests 2017, 8, 266.
Zhou Q, Mu K, Xu M, Ma X, Ni Z, Wang J, Xu L-A. Variation in the Concentrations of Major Secondary Metabolites in Ginkgo Leaves from Different Geographical Populations. Forests. 2017; 8(8):266.Chicago/Turabian Style
Zhou, Qi; Mu, Kemin; Xu, Meng; Ma, Xueying; Ni, Zhouxian; Wang, Jianwen; Xu, Li-an. 2017. "Variation in the Concentrations of Major Secondary Metabolites in Ginkgo Leaves from Different Geographical Populations." Forests 8, no. 8: 266.
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