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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/).
PCA biplot based on the first two principal component axes for antioxidant activity, acidity and soluble dry matter (A) and distribution of the 20 test samples based on the first two components derived from principal constituent analysis (B).