Middle-East Journal of Scientific Research, ( ISI ), Volume (6), No (3), Year (2010-10) , Pages (224-229)

Title : ( Application of Arrhenius Kinetics to Evaluate the Stability of Pistachio Nuts at Various Conditions )

Authors: Nasser Sedaghat ,

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Pistachio is the edible seed of the pistachio tree ( pistacia vera L. ) the Ohadee variety of Iranian raw dry pistachio nuts was selected for the experiments . The method of Accelerated Shelf Life Testing (ASLT) used for storage of pistachio. Free Fatty Acid (FFA) of raw dried pistachio nuts were investigated at 21% ,8% & < 2 % O2 and different storage temperature (5,20,35,45 ºC).Samples were experimented at 4,6,8,10,12 weeks by use of split-plot design . Results showed that FFA formation under each three factors ( oxygen percent, temperature and storage time ) and the interaction of three factors were significant ( p<0.0000 ). The activation energies were 11.01, 3.78, and 0.915 kcal / mol under air (21% O2 ), 8% and <2% O2 storage, respectively. Raw dried pistachio nuts at 21% O2 was more sensitive to FFA formation to temperature change.

Keywords

, PISTACHIO NUTS, RANCIDITY, FREE FATTY ACID, ACTIVATION
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@article{paperid:1018086,
author = {Sedaghat, Nasser},
title = {Application of Arrhenius Kinetics to Evaluate the Stability of Pistachio Nuts at Various Conditions},
journal = {Middle-East Journal of Scientific Research},
year = {2010},
volume = {6},
number = {3},
month = {October},
issn = {1990-9233},
pages = {224--229},
numpages = {5},
keywords = {PISTACHIO NUTS; RANCIDITY; FREE FATTY ACID; ACTIVATION ENERGY},
}

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%0 Journal Article
%T Application of Arrhenius Kinetics to Evaluate the Stability of Pistachio Nuts at Various Conditions
%A Sedaghat, Nasser
%J Middle-East Journal of Scientific Research
%@ 1990-9233
%D 2010

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