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. 2022 Oct 31;9:977278. doi: 10.3389/fnut.2022.977278

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Copyright © 2022 Liu, Fan, Lu, Wu, Zhao, Lou, Hu and Peng.

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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Principal factor analysis loading and score plots of white rice (WR) clusters. (A) Principal factor analysis (PFA) based on parameters calculated over 120 min. (B) PFA based on parameters calculated over 180 min. The loadings of the parameters are shown with arrows, and the scores of the participants are shown as dots in the background. a, b, c used for comparison of PC1 scores (P < 0.05). 1–4, used for comparison of PC2 scores (P < 0.05).