Effect of ultra-high pressure homogenization on the antirotaviral activity of bovine milk whey
Financiación H2020 / H2020 Funds
Resumen: In the present study, ultra-high pressure homogenization (UHPH, 100–250 MPa) was applied on bovine whey. The ability of UHPH-treated whey to neutralize the bovine rotavirus strain WC3 was evaluated in vitro using a model of human intestinal epithelium. Results showed that whey homogenized at 100 and 200 MPa inhibited the rotavirus infection in a dose-response way, exhibiting >95% neutralization at 1.5 mg mL−1 protein concentration. However, after homogenization of whey at 250 MPa, a clear neutralization pattern could not be observed. This could be attributed to aggregation and/or denaturation of some bioactive proteins, as it has been evidenced in the electrophoretic profile of that sample. Interestingly, the fat fraction obtained from all UHPH-treated wheys, showed almost complete neutralization at 1 mg mL−1 protein concentration. Therefore, whey fractions could be used as functional ingredients in novel non-thermal processed products for the control of viral infections.
Industrial relevance
This study provides useful information to increase the commercial value of sweet, skimmed whey as a functional ingredient and its recognition as a natural source of antivirals. The use of emerging processing technologies, such as UHPH, could favor the preservation of certain bioactivity within the dairy by-product.

Idioma: Inglés
DOI: 10.1016/j.ifset.2024.103745
Año: 2024
Publicado en: INNOVATIVE FOOD SCIENCE & EMERGING TECHNOLOGIES 96 (2024), 103745 [pp.]
ISSN: 1466-8564

Financiación: info:eu-repo/grantAgreement/ES/DGA/A20-23R
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
Financiación: info:eu-repo/grantAgreement/ES/MICINN/PID2022-139104OB-I00
Financiación: info:eu-repo/grantAgreement/ES/MINECO/AGL2017-82987-R
Tipo y forma: Artículo (Versión definitiva)
Área (Departamento): Área Tecnología de Alimentos (Dpto. Produc.Animal Cienc.Ali.)

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