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Optimization of ultrasound process parameters for extraction of oleuropein from olive pomace (CROSBI ID 608418)

Neobjavljeno sudjelovanje sa skupa | neobjavljeni prilog sa skupa

Bosiljkov, Tomislav ; Brnčić, Mladen ; Ježek, Damir ; Karlović, Sven ; Tripalo, Branko ; Dujmić, Filip Optimization of ultrasound process parameters for extraction of oleuropein from olive pomace // EUBIS COST Action, Food Waste Valorisation Toulouse, Francuska, 21.01.2014-22.01.2014

Podaci o odgovornosti

Bosiljkov, Tomislav ; Brnčić, Mladen ; Ježek, Damir ; Karlović, Sven ; Tripalo, Branko ; Dujmić, Filip

engleski

Optimization of ultrasound process parameters for extraction of oleuropein from olive pomace

Main research goal is extraction of bioactive compounds from waste byproducts (leafs and pomace) of olive oil production. Oleuropein and other high value bioactive compounds can be extracted from olive pomace using traditional extraction methods. This process require fairly high amount of solvent, long extraction times, high temperatures, all of which can have negative influence on quality of extract. There are also significant costs related to extraction. To considerably enhance traditional extraction process, novel methods such as high intensity ultrasonics can be used. This additional step in extraction process requires optimization of large number of process parameters such as ultrasonic power (up to 1000 W), amplitude (0-100 %), cycle (0-1), probe diameter (4 – 22 mm), process time (3 - 10 min), as well as volume and type of solvent (ethanol, distilled water). Artificial neural network is used as optimization method, as it can be easily (re)trained, validated and used for optimization of each individual process parameter. Chemical (active compounds, etc.) and physical analysis are performed on obtained extracts. Optimization using artificial neural network is performed based on maximizing of extract volume and minimizing used volume of solvent, and optimal process parameters were obtained for both types of solvent.

ultrasound; extraction; oleuropein

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Podaci o prilogu

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Podaci o skupu

EUBIS COST Action, Food Waste Valorisation

poster

21.01.2014-22.01.2014

Toulouse, Francuska

Povezanost rada

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