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SM ISO690:2012 ARUS, Alisa-Vasilica, PÂRVULESCU, Oana-Cristina, PLATON, Nicoleta, GEORGESCU, Ana-Maria, MUNTIANU, Gabriela, NISTOR, Ileana-Denisa. In situ lactic acid removal from a characteristic fermentation medium (yoghurt) preparation by its retention onto hydrotalcite-type anionic claystatistical modelling. In: Intelligent Valorisation of Agro-Food Industrial Wastes, 7-8 octombrie 2021, Chişinău. Chişinău: Tipografie „MS Logo” SRL, 2021, p. 41. ISBN 978-9975-3464-2-9. |
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Intelligent Valorisation of Agro-Food Industrial Wastes 2021 | ||||||
Conferința "Intelligent Valorisation of Agro-Food Industrial Wastes" Chişinău, Moldova, 7-8 octombrie 2021 | ||||||
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Pag. 41-41 | ||||||
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Anionic clays are natural or synthetic combinations of hydroxides with lamellar structure, having between layers spaces containing exchangeable anions and water molecules. Because hydrotalcites possess excellent properties, e.g., low or no toxicity, good biocompatibility, the possibility of controlled release, there is a continuous interest in the discovery of new applications. Batch fermentation of milk inoculated with lactic acid bacteria was conducted in the presence of hydrotalcite-type anionic clay under static and ultrasonic conditions. A statistical analysis of the data based on a 23 factorial experiment was performed in order to express experimental and model-regressed process responses depending on fermentation temperature (t=38–43 °C), clay/milk ratio (R=1–7.5 g/L) and ultrasonic field (ν=0 and 35 kHz) factors. A mathematical model was selected to describe the fermentation process kinetics and its parameters were estimated based on experimental data. A good agreement between the experimental and simulated results was achieved. Consequently, the model can be employed to predict the dynamics of batch lactic acid fermentation with values of process variables in the studied ranges. |
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Cuvinte-cheie In situ lactic acid removal from a characteristic fermentation medium (yoghurt) preparation by its retention onto hydrotalcite-type anionic claystatistical modelling |
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