Review and Analysis of Alternatives for the Valorisation of Agro-Industrial Olive Oil By-Products
Autor
Berbel, Julio
Posadillo, Alejandro
Editor
MDPIFecha
2018Materia
Olive oil by-productsBioeconomy
Milk fat
Extracted olive pomace
Olive leaves
Animal feed
Functional foods
Biomass
Circular economy
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By-products and waste from olive production (agriculture) and the olive oil industry
(mills and refineries) are an important environmental issue in Mediterranean areas. Industrial
waste and by-products contain highly valuable components that can also be phytotoxic. This article
reviews recent research on the valorisation of olive by-products under the bioeconomy strategy.
The alternatives are classified according to the ‘bioeconomy value pyramid’, which prioritises higher
value uses over the current energy and compost valorisation. Special attention is paid to the use of
these by-products for animal feed that can be improved by reducing the content of saturated fatty
acids (SFAs) and increase the polyunsaturated fatty acids amount considered beneficial in response
to their use; this makes the food healthier for humans while simultaneously reducing feeding costs
and the environmental impact of livestock.