1. Acid washing with celite filter support: a powerful tool on sodium and potassium mitigating and leaching in simulated juices.
- Author
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Meghwar, Parkash, Soomro, Umaid Ali, Tarar, Omer Mukhtar, Haider, Muhammad Samee, Saleem, Nida, Afzal, Waqas, and Smaoui, Slim
- Abstract
In this research, we explored the efficacy of acid washing processes utilizing celite filter aids in mitigating the leaching of sodium and potassium contaminants in juice manufacturing. A comprehensive evaluation was conducted to determine the optimal treatment strategy that reduces the leaching phenomenon. In this sense, citric acid (CA), DL-malic acid (MA), hydrochloric acid (HC), and sulfuric acid (SA) were employed to modify the pH of distilled water to 2.8; in addition, celite filter aid was applied. Simulated juice was formulated with total soluble sugar contents (Brix) of 8.2 and 18.1 by incorporating varying pH levels of 2.9, 3.4, and 4.1, respectively. A precise sodium and potassium content analysis was executed utilizing a digital ion analyzer model by flame photometer. The findings unequivocally reveal that CA, at pH equal to 4.1, emerged as a potent agent, demonstrating a significant (p < 0.05) reduction in sodium and potassium leaching in simulated juices. The sodium levels observed in CA, MA, DW, SA, and HC were 175 ppm, 170 ppm, 102 ppm, 102 ppm, and 68 ppm, respectively. In this case, the sodium leached out in treatment CA scored the highest value at 146 ppm, whereas the lowest value for Na leaching was observed for HC at 34 ppm. The highest mean Na leaching was noted for CA, followed by MA. The potassium leaching trend was like that observed for sodium leaching. Interestingly, CA showed high leach out followed by SA (79 ppm), HC (74 ppm), MA (67 ppm), and DW (14 ppm), while higher leaching of potassium was observed in SJ passed through CA-washed filter aids, followed by MA, HC, SA, and DW. This study, therefore, serves as a pivotal stepping stone in enhancing the quality and safety standards in juice production. [ABSTRACT FROM AUTHOR]
- Published
- 2025
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