Improved frying stability of canola oil blended with palm olein and virgin olive oils as affected by bene kernel oil and its unsaponifiable matter

2016 ◽  
Vol 118 (10) ◽  
pp. 1495-1506 ◽  
Author(s):  
Parvin Sharayei ◽  
Reza Farhoosh
2010 ◽  
Vol 88 (5) ◽  
pp. 647-654 ◽  
Author(s):  
Parvin Sharayei ◽  
Reza Farhoosh ◽  
Hashem Poorazrang ◽  
Mohammad Hossein Haddad Khodaparast

2008 ◽  
Vol 86 (1) ◽  
pp. 71-76 ◽  
Author(s):  
Reza Farhoosh ◽  
Reza Esmaeilzadeh Kenari ◽  
Hashem Poorazrang

1965 ◽  
Vol 48 (2) ◽  
pp. 417-433 ◽  
Author(s):  
Jerome Eisner ◽  
John L Iverson ◽  
Alfred K Mozingo ◽  
David Firestone

Abstract Olive oils, both foreign and domestic, were saponified, and the unsaponifiable matter was fractionated on a Florisil column. Gas chromatography of the first two hydrocarbon fractions confirmed that squalene was the major component of pressed and solvent-extracted pomace oils. However, iso-and/or anteiso- tctratriacontane was the major hydrocarbon in olive kernel oil. Hydrogenation and temperature programming indicated that there were several homologous series present, consisting of normal, iso-and/or anteiso-, and multiple branched chain hydrocarbons. Gas chromatography of the third Florisil fraction (tocopherols, high molecular weight aliphatic alcohols, and triterpenoid alcohol components) indicated the presence of three homologous series of normal, iso- and/or anteiso-, and multiple branched chain alcohols. The triterpenoid alcohols were used to distinguish between pressed and solvent-extracted pomace oils. As little as 5% of pomace oil could be detected in laboratory-prepared mixtures. Campesterol and beta-sitosterol were the two sterols present in olive oils. The Fitelson test detected olive oils consisting entirely or largely of pomace oils.


2010 ◽  
Vol 112 (8) ◽  
pp. 871-877 ◽  
Author(s):  
Ashraf Gohari Ardabili ◽  
Reza Farhoosh ◽  
Mohammad Hossein Haddad Khodaparast

2018 ◽  
Vol 68 (4) ◽  
pp. 223 ◽  
Author(s):  
R. Olivero-David ◽  
C. Mena ◽  
F. J. Sánchez-Muniz ◽  
M. Á. Pérez-Jiménez ◽  
F. Holgado ◽  
...  

The frying performance of two virgin olive oils (VOO) from Cornicabra olives of different ripeness indices, 2.08 for VOO1 and 4.13 for VOO2, was evaluated. Thermal, oxidative and hydrolytic alterations were determined throughout 40 frying operations with potatoes. The initial oils showed similar fatty acid compositions and oxidative stability indices as determined by Rancimat, but VOO1 presented higher amounts of total polyphenols and tocopherols. The oils showed high and similar frying performance. No significant differences in the levels of polar compounds (PC) were found between the two oils during frying. Therefore, the frying stability of Cornicabra VOOs appears to be unconnected with olive fruit ripeness. The limit of degradation at 25% PC as established in different countries was calculated to occur at 55 frying operations in the two oils. As oil toxicity is related to the levels of compounds formed, the use of Cornicabra VOOs for frying is highly recommended.


2011 ◽  
Vol 88 (7) ◽  
pp. 993-1000 ◽  
Author(s):  
Parvin Sharayei ◽  
Reza Farhoosh ◽  
Hashem Poorazrang ◽  
Mohammad Hossein Haddad Khodaparast

2021 ◽  
Author(s):  
Hicham Zaroual ◽  
El Mestafa El Hadrami ◽  
Romdhane Karoui

This study examines the feasibility of using front face fluorescence spectroscopy (FFFS) to authenticate 41 virgin olive oil (VOO) samples collected from 5 regions in Morocco during 2 consecutive crop seasons.


2014 ◽  
Vol 10 (3) ◽  
pp. 234-240 ◽  
Author(s):  
Costantina Barbarisi ◽  
Michele Stasio ◽  
Francesco Cara ◽  
Melissa Nazzaro ◽  
Francesco Siano ◽  
...  

2020 ◽  
Vol 311 ◽  
pp. 126044 ◽  
Author(s):  
Sonia Esposto ◽  
Roberto Selvaggini ◽  
Agnese Taticchi ◽  
Gianluca Veneziani ◽  
Beatrice Sordini ◽  
...  

Sensors ◽  
2021 ◽  
Vol 21 (7) ◽  
pp. 2298
Author(s):  
Pablo Cano Marchal ◽  
Chiara Sanmartin ◽  
Silvia Satorres Martínez ◽  
Juan Gómez Ortega ◽  
Fabio Mencarelli ◽  
...  

The organoleptic profile of a Virgin Olive Oil is a key quality parameter that is currently obtained by human sensory panels. The development of an instrumental technique capable of providing information about this profile quickly and online is of great interest. This work employed a general purpose e-nose, in lab conditions, to predict the level of fruity aroma and the presence of defects in Virgin Olive Oils. The raw data provided by the e-nose were used to extract a set of features that fed a regressor to predict the level of fruity aroma and a classifier to detect the presence of defects. The results obtained were a mean validation error of 0.5 units for the prediction of fruity aroma using lasso regression; and 88% accuracy for the defect detection using logistic regression. Finally, the identification of two out of ten specific sensors of the e-nose that can provide successful results paves the way to the design of low-cost specific electronic noses for this application.


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