Oil mill coadjuvants: Aggregation due to moisture and action on olive-pomace oils

Oil mill coadjuvants: Aggregation due to moisture and action on olive-pomace oils Pomace is an oil mill byproduct and the raw material for extracting olive pomace oil. The pomace is stored several months in ponds until it is processed.Tests have been carried out in stored olive pastes, malaxated with and without different coadjuvants. These pastes have been equated to the oil mill pomace.Coadjuvants increase the water pH in 0.8 units. 89.5% of the initial oil is recovered from pastes without coadjuvant; 91.1% from pastes with calcium carbonate and 80.5% from pastes with talc. The free acidity is 1.9%, 2.6% and 2.1% respectively. The maximum amount of refined pomace oil is obtained when calcium carbonate is used and the minimum when talc is used.Moisten the adjuvants affects talc and calcium carbonate differently, although both of them easily releases the original micro-powder. Moisture does not affect the technological action of the coadjuvants or modify their physical characteristics. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Journal of Food Engineering Elsevier

Oil mill coadjuvants: Aggregation due to moisture and action on olive-pomace oils

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Publisher
Elsevier
Copyright
Copyright © 2018 Elsevier Ltd
ISSN
0260-8774
D.O.I.
10.1016/j.jfoodeng.2018.05.013
Publisher site
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Abstract

Pomace is an oil mill byproduct and the raw material for extracting olive pomace oil. The pomace is stored several months in ponds until it is processed.Tests have been carried out in stored olive pastes, malaxated with and without different coadjuvants. These pastes have been equated to the oil mill pomace.Coadjuvants increase the water pH in 0.8 units. 89.5% of the initial oil is recovered from pastes without coadjuvant; 91.1% from pastes with calcium carbonate and 80.5% from pastes with talc. The free acidity is 1.9%, 2.6% and 2.1% respectively. The maximum amount of refined pomace oil is obtained when calcium carbonate is used and the minimum when talc is used.Moisten the adjuvants affects talc and calcium carbonate differently, although both of them easily releases the original micro-powder. Moisture does not affect the technological action of the coadjuvants or modify their physical characteristics.

Journal

Journal of Food EngineeringElsevier

Published: Nov 1, 2018

References

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