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. 2023 Jun 17;12(12):2403. doi: 10.3390/foods12122403

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© 2023 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/).

PMC Copyright notice

PCA biplot (score plot and loading plot) of peach fruits in different virtual cold chains. Dots represent peaches at different cold stages (0, 1.75, 2.5, and 9.75 days (D)). Peaches at day 2 and day 5 in shelf life are noted as SL2D and SL5D, respectively. The virtual incomplete cold chains with ambient temperature rising to 20, 15, and 10 °C are noted as VIC20, VIC15, and VIC10, respectively. VCC means a virtual complete cold chain with a constant temperature. RR, ETR, TPC, and TFC mean the respiratory rate, ethylene production rate, total phenol content, and total flavonoid content, respectively.