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. 2016 May 26;16:143. doi: 10.1186/s12906-016-1132-y

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© The Author(s). 2016

Open AccessThis article is distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The Creative Commons Public Domain Dedication waiver (http://creativecommons.org/publicdomain/zero/1.0/) applies to the data made available in this article, unless otherwise stated.

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Fig. 3 — Principal component analysis of the first two factors (F1 and F2) based on colour attributes and bioactive compounds of pomegranate peel cv. Wonderful obtained from different drying methods. TCD total colour difference, TF total flavonoid, TP total phenolic, TT total tannin, RSA radical scavenging activity, Vit C Vitamin C, FRAP ferric reducing antioxidant power. L* lightness, C* chroma, H° hue angle, a* redness, RMC residual moisture content (dry basis %), MC moisture content (wet basis %)