Extraction of oil from durum wheat branExtraction of oil from durum wheat bran

SC-CO2 technology effective for the extraction of

food-grade oil from several by-products of the

Conventional solvent extraction

(CSE)

Supercritical CO2 extraction

(SC-CO2)Lecce

SoxhletSoxhlet

CO2 is:• Non-toxic• Non-flammable• Non-corrosive• Cheap• Recyclable

Solvent free

food-grade oil from several by-products of the

cereal milling industry

by far-infrared rays

In a laboratory apparatus

DurumDurum wheatwheat byby--productsproducts

Optimization of SC-CO2 Conditions

Sample Pretreatment

Lecce

by HPLC and GC-MS

In a laboratory apparatus

The optimal extraction was performedat 300-350 bar and 60-70 °C for 60 min with the flow rate of 4.0 L/min

Characterization of extracted oil

Optimization of SC-CO2 Conditions

Chemical composition of oilsamples extracted from durumwheat bran by SC-CO2 orSoxhlet

Chemical composition of oilsamples extracted from durumwheat bran by SC-CO2 orSoxhlet

SCSC--CO2CO2

SCSC--CO2CO2 SoxhletSoxhlet

Lecce

SoxhletSoxhlet

Linoleic acid ~ 50%

Miriana Durante, Marcello S. Lenucci, Leonardo Rescio, Giovanni Mita, Sofia Caretto

Phytochem Rev (2012) 11:255-262

Sample Pretreatment by far-infrared rays

Optimization of SC-CO 2 Conditions In a laboratory apparatus

DurumDurum wheatwheat byby--productsproductsLecce

Characterization of extracted oil by HPLC and GC-MS

Oil encapsulation

Study of encapsulated oil stability during storage