Study on the dissolution of heat-induced ovalbumin gel in alkaline solutions relevant to the removal of fouling deposits

Lin, Lin; Che, Liming; Liang, Qian; Mercadé‐Prieto, Ruben; Wu, Xuee; Chen, Xiao

doi:10.1016/j.jfoodeng.2012.09.011

Cited by 12 publications

(3 citation statements)

References 45 publications

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“…These results confirmed that 0.5% NaOH is effective in the removal of protein‐based deposits given the range of parameters investigated. Previous studies also reported an optimum NaOH concentration as 0.5% for effective removal of protein‐based deposits (Li et al., 2013; Tuladhar et al., 2002; Xin et al., 2002).…”

Section: Resultsmentioning

confidence: 88%

Effect of temperature, wall shear stress, and NaOH concentration on cleaning effectiveness

Fan

Kim

Heldman

2023

Journal of Food Science

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The objective of this research was to evaluate the effect of various operational parameters and their interaction on cleaning rate of NaOH. The parameters include wall shear stress, temperatures, and NaOH concentrations of cleaning fluid. The higher cleaning effectiveness for proteinaceous deposits was achieved at higher wall shear stress. The wall shear stress of 2.42 Pa removed over 90% of foulant after 10 min of operation, which was significantly higher than the removal of lower wall shear stress (0.84 and 0.39 Pa). Similarly, the cleaning rate increased with increase in temperature and concentration of cleaning solution. The use of cleaning solution (0.05% NaOH) at 65 • C provided significantly higher cleaning rate than 25 • C. A cleaning solution concentration of 0.5% NaOH provided significantly higher removal of foulant than 0% or 0.05% concentrations. However, analysis on the interaction between temperature and the wall shear stress suggested that the temperature above 45 • C and wall shear stress above 0.65 Pa did not provide significant improvement in cleaning efficacy. When a cleaning solution temperature was maintained at 45 • C, higher wall shear stress provided more rapid removal of the foulant when the cleaning agent concentration was 0.05% or 0.5%. In water rinse conducted without chemical agents, no much improvements in foulant removal were observed with increase in wall shear stress. The change of activation energy (E a ) indicates that water rinse was sensitive to temperature change at higher wall shear stress. However, cleaning with cleaning agents was less sensitive to temperature variation compared to the water rinse.

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Section: Resultsmentioning

confidence: 88%

Effect of temperature, wall shear stress, and NaOH concentration on cleaning effectiveness

Fan

Kim

Heldman

2023

Journal of Food Science

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“…The techniques described here could be used to establish how swelling (and shrinkage, Mercadé-Prieto et al, 2007) relate to changes in adhesion strength as well as protein release, and to elucidate why some proteins do not exhibit a concentration optimum (e.g. egg albumin, Li et al, 2013) Alternately, the techniques could be used to probe the change in structure and adhesion in a growing layer, such as a fouling deposit (although the millimanipulation testing, being destructive, would require samples to be provided at different ages), along the lines reported by Bohnet and co-workers (1991) for crystallisation fouling deposits.…”

Section: Discussionmentioning

confidence: 99%

Elucidating the cleaning of complex food soil layers by in-situ measurements

Cuckston¹,

Suleiman²,

Goodwin

et al. 2022

Food and Bioproducts Processing

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“…Essentially OVA solution (3 wt%) or WPC solution (6 wt%) was used, respectively, in each of the fouling experiments. Detailed procedures are described by Li et al [18,19]. The solution was pumped to the pre-heated section, set at 65 ± 0.5 • C to ensure an inlet temperature of 60 ± 0.5 • C. After the pre-heating, the solution was passed through the heating -monitoring section (the fouling section).…”

Section: Generation Of Protein Foulingmentioning

confidence: 99%

The effect of pre-adsorption of OVA or WPC on subsequent OVA or WPC fouling on heated stainless steel surface

Song

Mercadé‐Prieto

et al. 2015

Colloids and Surfaces B: Biointerfaces

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Study on the dissolution of heat-induced ovalbumin gel in alkaline solutions relevant to the removal of fouling deposits

Cited by 12 publications

References 45 publications

Effect of temperature, wall shear stress, and NaOH concentration on cleaning effectiveness

Effect of temperature, wall shear stress, and NaOH concentration on cleaning effectiveness

Elucidating the cleaning of complex food soil layers by in-situ measurements

The effect of pre-adsorption of OVA or WPC on subsequent OVA or WPC fouling on heated stainless steel surface

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