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. 2021 Jul 15;14(7):679. doi: 10.3390/ph14070679

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© 2021 by the authors.

Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https://creativecommons.org/licenses/by/4.0/).

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(A) Percentage remaining of the quercetin in PLGA NPs after storage at 4 °C, 30 °C, and 45 °C for 8 weeks. (B) Second-order kinetics model of the quercetin degradation. (C) Arrhenius plot for the quercetin in PLGA NPs degradation.