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pH prediction for a semi-batch cream cheese fermentation using a grey-box model

  • Shiying Guo , Wei Yu EMAIL logo , David I. Wilson and Brent R. Young
Published/Copyright: January 16, 2023
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Abstract

Cream cheese, a popular condiment, is widely used in people’s daily diet and in dessert making. To ensure high-quality cream cheese production, the pH value is generally used as the indicator to determine the end point of cream cheese fermentation. The inoculation time and time-dependent concentrations of biomass, lactose, lactic acid are all crucial for pH prediction. However, the inoculation time could vary for industrial applications with multiple fermenters. Moreover, the inoculation time impact on fermentation has not been investigated. This paper aims to build a cream cheese fermentation model predicting pH. The model includes a semi-batch kinetic model and an artificial neural network (ANN) model. The outcome of the model will help the cream cheese industries understand the inoculation time impact on fermentation time and organise better fermenter scheduling.


Corresponding author: Wei Yu, Department of Chemical & Materials Engineering, The University of Auckland, Auckland, New Zealand; and Industrial Information and Control Centre, University of Auckland, Auckland 1023, New Zealand, E-mail:

  1. Author contributions: All the authors have accepted responsibility for the entire content of this submitted manuscript and approved submission.

  2. Research funding: None declared.

  3. Conflict of interest statement: The authors declare no conflicts of interest regarding this article.

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Received: 2021-08-01
Accepted: 2022-12-04
Published Online: 2023-01-16

© 2022 Walter de Gruyter GmbH, Berlin/Boston

Downloaded on 30.11.2025 from https://www.degruyterbrill.com/document/doi/10.1515/cppm-2021-0048/pdf?lang=en
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