2015
DOI: 10.3168/jds.2015-9435
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Properties of acid whey as a function of pH and temperature

Abstract: Compositional differences of acid whey (AW) in comparison with other whey types limit its processability and application of conventional membrane processing. Hence, the present study aimed to identify chemical and physical properties of AW solutions as a function of pH (3 to 10.5) at 4 different temperatures (15, 25, 40, or 90°C) to propose appropriate membrane-processing conditions for efficient use of AW streams. The concentration of minerals, mainly calcium and phosphate, and proteins in centrifuged superna… Show more

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Cited by 97 publications
(83 citation statements)
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“…An increase in pH influenced formation of soluble protein aggregates with large particle sizes which was removed out after centrifugation. The same explanation evidence reported recently by Chandrapala et al [52].…”
Section: Effect Of Heat On Liquid Whey Turbidity At Various Phsupporting
confidence: 90%
“…An increase in pH influenced formation of soluble protein aggregates with large particle sizes which was removed out after centrifugation. The same explanation evidence reported recently by Chandrapala et al [52].…”
Section: Effect Of Heat On Liquid Whey Turbidity At Various Phsupporting
confidence: 90%
“…A nivel mundial se producen de 180 a 190 millones de toneladas de suero por año, eliminando la mitad de los sólidos totales presentes en la leche los que incluyen nutrientes como proteína, lactosa, minerales y vitaminas (Chandrapala et al, 2015). Muñi, Páez, Faría, Ferrer y Ramones (2005) estimaron que por cada kg de queso se producían 9 kg de lactosuero.…”
Section: Introductionunclassified
“…Muñi, Páez, Faría, Ferrer y Ramones (2005) estimaron que por cada kg de queso se producían 9 kg de lactosuero. En la actualidad, las compañías enfrentan un gran problema de contaminación al generar 1,6 billones de litros de suero ácido por año como residuo (Chandrapala et al, 2015). Los nutrientes presentes en el suero generan cerca de 3,5 kg de demanda biológica de oxígeno (DBO) y 6,8 kg de demanda química de oxígeno (DQO) por cada 100 kg de lactosuero líquido que debe degradarse, donde la lactosa es el principal componente que contribuye a la alta DBO y DQO (Muñi, Páez, Faría, Ferrer y Ramones, 2005).…”
Section: Introductionunclassified
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