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Valorization of Olive Mill Byproducts: Recovery of Biophenol Compounds and Application in Animal Feed

This study aimed to recover the phenols from olive oil mill wastewater, a major pollutant of the oil industry, by using spray-drying technology to produce a new feed with a nutraceutical value for animal feed supplementation and to evaluate its effect on the productivity and nutritional quality of e...

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Autores principales: Cifuni, Giulia Francesca, Claps, Salvatore, Morone, Giuseppe, Sepe, Lucia, Caparra, Pasquale, Benincasa, Cinzia, Pellegrino, Massimiliano, Perri, Enzo
Formato: Online Artículo Texto
Lenguaje:English
Publicado: MDPI 2023
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10490477/
https://www.ncbi.nlm.nih.gov/pubmed/37687309
http://dx.doi.org/10.3390/plants12173062
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author Cifuni, Giulia Francesca
Claps, Salvatore
Morone, Giuseppe
Sepe, Lucia
Caparra, Pasquale
Benincasa, Cinzia
Pellegrino, Massimiliano
Perri, Enzo
author_facet Cifuni, Giulia Francesca
Claps, Salvatore
Morone, Giuseppe
Sepe, Lucia
Caparra, Pasquale
Benincasa, Cinzia
Pellegrino, Massimiliano
Perri, Enzo
author_sort Cifuni, Giulia Francesca
collection PubMed
description This study aimed to recover the phenols from olive oil mill wastewater, a major pollutant of the oil industry, by using spray-drying technology to produce a new feed with a nutraceutical value for animal feed supplementation and to evaluate its effect on the productivity and nutritional quality of ewe milk. Forty-five Sarda ewes in late lactation (150 ± 2 d) and with homogeneous live weight (52 ± 1.5 kg) were randomly allotted into three groups and fed with three dietary treatments containing increasing levels of polyphenols: 0% (C), 0.1% (T0.1), and 0.2% (T0.2) of dry matter. No effect of the dietary treatments was found on the milk yield and composition. Interestingly, milk urea content (p < 0.0001) and somatic cell counts (p < 0.001) decreased as the level of polyphenols inclusion in the diet increased. The inclusion of phenols (0.2% of dry matter) in the diet of sheep was effective in increasing the vaccenic (C18:1 trans-11) and rumenic acid (C18: cis-9 trans-11) levels, which are beneficial for human health. Finally, the recovery of polyphenols via spray-drying technology and their incorporation into a new fortified feed can be a valid strategy for naturally improving the nutritional value of milk while valorizing an oil industry byproduct, reducing environmental impact, and promoting waste reuse that is in line with circular economy principles.
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spelling pubmed-104904772023-09-09 Valorization of Olive Mill Byproducts: Recovery of Biophenol Compounds and Application in Animal Feed Cifuni, Giulia Francesca Claps, Salvatore Morone, Giuseppe Sepe, Lucia Caparra, Pasquale Benincasa, Cinzia Pellegrino, Massimiliano Perri, Enzo Plants (Basel) Article This study aimed to recover the phenols from olive oil mill wastewater, a major pollutant of the oil industry, by using spray-drying technology to produce a new feed with a nutraceutical value for animal feed supplementation and to evaluate its effect on the productivity and nutritional quality of ewe milk. Forty-five Sarda ewes in late lactation (150 ± 2 d) and with homogeneous live weight (52 ± 1.5 kg) were randomly allotted into three groups and fed with three dietary treatments containing increasing levels of polyphenols: 0% (C), 0.1% (T0.1), and 0.2% (T0.2) of dry matter. No effect of the dietary treatments was found on the milk yield and composition. Interestingly, milk urea content (p < 0.0001) and somatic cell counts (p < 0.001) decreased as the level of polyphenols inclusion in the diet increased. The inclusion of phenols (0.2% of dry matter) in the diet of sheep was effective in increasing the vaccenic (C18:1 trans-11) and rumenic acid (C18: cis-9 trans-11) levels, which are beneficial for human health. Finally, the recovery of polyphenols via spray-drying technology and their incorporation into a new fortified feed can be a valid strategy for naturally improving the nutritional value of milk while valorizing an oil industry byproduct, reducing environmental impact, and promoting waste reuse that is in line with circular economy principles. MDPI 2023-08-25 /pmc/articles/PMC10490477/ /pubmed/37687309 http://dx.doi.org/10.3390/plants12173062 Text en © 2023 by the authors. https://creativecommons.org/licenses/by/4.0/Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https://creativecommons.org/licenses/by/4.0/).
spellingShingle Article
Cifuni, Giulia Francesca
Claps, Salvatore
Morone, Giuseppe
Sepe, Lucia
Caparra, Pasquale
Benincasa, Cinzia
Pellegrino, Massimiliano
Perri, Enzo
Valorization of Olive Mill Byproducts: Recovery of Biophenol Compounds and Application in Animal Feed
title Valorization of Olive Mill Byproducts: Recovery of Biophenol Compounds and Application in Animal Feed
title_full Valorization of Olive Mill Byproducts: Recovery of Biophenol Compounds and Application in Animal Feed
title_fullStr Valorization of Olive Mill Byproducts: Recovery of Biophenol Compounds and Application in Animal Feed
title_full_unstemmed Valorization of Olive Mill Byproducts: Recovery of Biophenol Compounds and Application in Animal Feed
title_short Valorization of Olive Mill Byproducts: Recovery of Biophenol Compounds and Application in Animal Feed
title_sort valorization of olive mill byproducts: recovery of biophenol compounds and application in animal feed
topic Article
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10490477/
https://www.ncbi.nlm.nih.gov/pubmed/37687309
http://dx.doi.org/10.3390/plants12173062
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