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. 2023 Mar 4;9(3):e14196. doi: 10.1016/j.heliyon.2023.e14196

Fig. 4.

Fig. 4

Free and bound phenolics in the extracts obtained using SC-CO2 with different cosolvent ratios. * The condition was unable to operate properly at the lab-scale extractor due to clogging and blockage. The free and bound fractions were statistically compared separately, and the means that do not share a common letter within the same characterization method are significantly different (p < 0.05).