Odor Modification in Rigid Polyethylene Waste: Impact of Different Washing on Sensory Analysis and Characterization.

Based on median intensity values, DW showed a trend toward the largest reduction (approximately 17%), followed by RT (approximately 8%), while HW showed no improvement compared to the unwashed sample; however, none of these differences reached statistical significance ( n = 8 per group), and this observation should therefore be considered a trend rather than a demonstrated outcome.

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The DW PE samples had the highest median rating of 3.5, suggesting a possible trend toward improved perception, though this was not statistically supported.

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