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. 2021 Oct 4;12:698703. doi: 10.3389/fmicb.2021.698703

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Copyright © 2021 Deng, Huang, Lei, Fu, Zou, Zhang, Liu, Jiang, Liu, Miao and Liang.

This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner(s) are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

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Flavonoid content (mg/kg leaves) analysis in Ginkgo biloba L. extracts determined by high-performance liquid chromatography (HPLC) using gradient elution at 360 nm. (A) The content of total flavonoids. (B) The content of quercetin. (C) The content of kaempferol. (D) The content of isorhamnetin. The error bar was plotted based on the standard deviation of replicate samples.