Evaluation of physical parameters and spectral characterization of the quality of soaps containing by-products from the food industry.

Patrycja Łusiak, Renata Różyło, Jacek Mazur, Paweł Sobczak, Arkadiusz Matwijczuk

Scientific reports 2024 Feb 26

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The present study investigated several properties such as friction, hardness, penetration work, and cutting forces in soaps formulated with apple and carrot pomace at varying concentrations of 5%, 10%, and 15%. To gain insights into the molecular-level alterations within the formulated soap samples, they were spectroscopically analyzed using Fourier-transform infrared spectroscopy. The sliding friction analyses revealed that the investigated extrudate additives had no significant impact on the frictional forces of the soaps. However, notable differences were observed in the cutting force, hardness, and penetration work between the control and pomace-added samples. Excluding the control samples, no statistically significant distinctions were found between the cutting force, hardness, and work of penetration of soaps containing apple pomace and carrot pomace. Moreover, the quantity of pomace incorporated did not induce any significant variations in the results. The obtained samples were characterised at the molecular level using FTIR Fourier transform infrared spectroscopy. On the other hand, alterations in band intensities suggested improved molecular packing of the compounds within the samples due to the presence of the additives. © 2024. The Author(s).

Citation

Patrycja Łusiak, Renata Różyło, Jacek Mazur, Paweł Sobczak, Arkadiusz Matwijczuk. Evaluation of physical parameters and spectral characterization of the quality of soaps containing by-products from the food industry. Scientific reports. 2024 Feb 26;14(1):4687