November 2015
Changes in the quality characteristics of the butter of Pentadesma butyracea under various storage conditions
The aim of this study was to identify the storage conditions that warrant the optimum quality of the butter of P. butyracea. An experimental design was set up to study the effects of kernel boiling, the packaging material and the storage duration on the colour, saponification value and unsaponifiable fractions, acid and peroxide values and the iodine index of the butter of P. butyracea. The quality parameters of the...
November 2015
Effects of various freezing and thawing techniques on pork quality in ready-to-eat meals
Meat rapidly decomposes and discolours due to oxidation and enzyme activity; therefore, it must be frozen when stored. This study investigates the effects of different freezing and thawing processes on pork quality. Pork meat was frozen by natural convection freezing (NCF, -38°C), individual quick-freezing (IQF, -45°C), or liquid nitrogen freezing (LNF, -100°C). Freezing was completed when the thermocouple...
November 2015
Antioxidant activity of Iranian barley grain cultivars and their malts
Barley (Hordeum vulgare L.) belongs to the grass family Poaceae and is an ancient and important cereal grain crop. Whole grain products are recommended for healthy diets as being recognized sources of dietary fiber and antioxidant substances such as polyphenols and vitamin E. The current study was conducted to evaluate the antioxidant activity for 19 cultivars (Bahman, MB-82-12, Nosrat, Kavir, Torkman, Makoeei, Karoun,...
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