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Mechanical properties, expressed as penetration force (a) and penetration work (b) of the different matrices of the experimental design (mean values ± s.e.; n = 3). One-way ANOVA, multiple range test (p < 0.05): a vs. c/f/e; b vs. c/f; c vs. d/e/f/g; a’ vs. c’/f’/e;’ b’ vs. c’/’f; c’ vs. d’/e’/f’; d’ vs. e’.
