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. 2022 Oct 13;13:1016511. doi: 10.3389/fpls.2022.1016511

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Copyright © 2022 Liu, Tian, Liu, Zhuo, Shi, Xu, Xu, Liu, Ye, Sun and Liao

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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Difference analysis of fresh tea leaf samples from representative sites. Comparisons of calcium (A) and magnesium (B) concentrations in fresh tea leaves from representative sites. Comparisons of 1,3-dicaffeoylquinic acid (C) and 2-O-caffeoyl arbutin (D) relative contents in fresh tea leaves from representative sites. Values are shown as means ± standard errors. Statistically significant differences between groups were tested by the Student’s t test. ***: P ≤ 0.001, **: 0.001 < P ≤ 0.01, *: 0.01 < P ≤ 0.05, ns: no significant difference.