Pulsed electric field as a non-thermal intensification strategy for biomass production of Lacticaseibacillus paracasei in alternative growth media

Kanimozhi, N.V. and Nagalakshmi, S. and Sukumar, M. and Palpandi Raja, R. (2026) Pulsed electric field as a non-thermal intensification strategy for biomass production of Lacticaseibacillus paracasei in alternative growth media. ACTA ALIMENTARIA: AN INTERNATIONAL JOURNAL OF FOOD SCIENCE, 55 (1). pp. 56-68. ISSN 0139-3006

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Abstract

This research presents a non-thermal intensification strategy for biomass production of Lacticaseibacillus paracasei by integrating pulsed electric field (PEF) pretreatment with a cost-effective waste-derived medium. The medium, formulated from corn steep liquor, grape pomace, and apple peel, was optimised using Response Surface Methodology (RSM). Optimised conditions supported biomass yields of 4.44 g L −1 (standard strain, L1) and 4.45 g L −1 (indigenous strain, L2).

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