Defining winery processing conditions for the decontamination of must and wine spoilage microbiota by Pulsed Electric Fields (PEF)

Delso, Carlota (Universidad de Zaragoza) ; Ospina, Sebastián (Universidad de Zaragoza) ; Berzosa, Alejandro (Universidad de Zaragoza) ; Raso, Javier (Universidad de Zaragoza) ; Álvarez-Lanzarote, Ignacio (Universidad de Zaragoza)

Resumen: This study investigated the PEF-resistance of Saccharomyces bayanus, Brettanomyces bruxellensis, Lactobacillus plantarum, and Oenococus oeni in must or wine under continuous PEF processing. Results showed the capacity of PEF to achieve 3.0-log10-cycles (CFU/mL) of inactivation of all the microorganisms under moderate conditions (< 155 kJ/kg). Developed tertiary models accurately predicted the effect of PEF parameters on microbial inactivation, and Monte Carlo simulation considered the variability of factors and the maximum assumable microbial load in the final treated product. Results showed that PEF-treatments at 15 kV/cm and 129 or 153 kJ/kg would ensure the adequate decontamination (< 10 CFU/mL) of spoilage microorganism in must or wine, respectively. Industrial relevance: PEF technology has been shown to achieve adequate levels of microbial inactivation (3-log10) in must and wine under industrial applicable processing parameters, making it a suitable alternative to SO2 or sterilizing filtration for microbial control in winemaking. Reductions of 3-log10 CFU/mL of must and wine microbiota were found by continuous flow PEF-processing at 15 to 25 kV/cm and 175 to 148 kJ/kg, parameters applicable at industrial scale at 1 ton/h.

Idioma: Inglés

DOI: 10.1016/j.ifset.2023.103478

Año: 2023

Publicado en: INNOVATIVE FOOD SCIENCE & EMERGING TECHNOLOGIES 89 (2023), 103478 [12 pp.]
ISSN: 1466-8564

Factor impacto JCR: 6.3 (2023)

Categ. JCR: FOOD SCIENCE & TECHNOLOGY rank: 17 / 173 = 0.098 (2023) - Q1 - T1

Factor impacto CITESCORE: 12.0 - Food Science (Q1) - Industrial and Manufacturing Engineering (Q1) - Chemistry (all) (Q1)

Factor impacto SCIMAGO: 1.384 - Chemistry (miscellaneous) (Q1) - Industrial and Manufacturing Engineering (Q1) - Food Science (Q1)

Financiación: info:eu-repo/grantAgreement/ES/DGA/A03-23R
Financiación: info:eu-repo/grantAgreement/EC/H2020/801586/EU/International Doctoral Programme for Talent Attraction to the Campus of International Excellence of the Ebro Valley/IberusTalent

Tipo y forma: Article (Published version)

Área (Departamento): Área Tecnología de Alimentos (Dpto. Produc.Animal Cienc.Ali.)