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    • List of Articles محمد فاضل

      • Open Access Article

        1 - Effect of Sesame and Soybean Meal Mixture on Physicochemical, Textural Properties of Sausage
        Z. Izadkhasti M. Fazel H. Abbasi
        Introduction: In this study, according to the increasing production of meat products with higher nutritional value, the flour of sesame press cake, which is the waste of sesame seed oil extraction factory, was used as a low-priced supplement and rich in protein, fiber a More
        Introduction: In this study, according to the increasing production of meat products with higher nutritional value, the flour of sesame press cake, which is the waste of sesame seed oil extraction factory, was used as a low-priced supplement and rich in protein, fiber and minerals, together with soy meal in the formulation of sausage of 40% chicken meat. Materials and Methods: Soy and sesame meal at concentrations of 2, 4, and 6% (100% sesame meal, 50% sesame meal and 50% soy meal, 100% soy meal) were added to the product to replace the wheat flour and compared to the control concerning the physicochemical (pH and moisture), color and textural properties of the samples (hardness, adhesiveness, cohesiveness, springiness and shear force). Results: By assessing the physicochemical and textural properties of the samples during storage period, the amount of pH, hardness and shear force  increased and moisture content and cohesiveness, L*, a* and b* of the samples decreased and no significant change was observed in the springiness of the samples. Increasing the amount of substitution in the samples caused increases in L* of the samples and shear force and reduced the amount of pH, hardness, springiness, cohesiveness and a* of the samples. On the other hand, by increasing the ratio of sesame meal, the moisture content, pH, hardness, shear force, cohesiveness, b* and a* of the samples were reduced. Conclusion: The use of sesame meal and soya in production of German sausage can produce acceptable product concerned with physicochemical and textural properties and higher nutritional value. The substitution of 3% sesame meal and 3% soy meal was introduced as the best sample. Manuscript profile
      • Open Access Article

        2 - The Effect of Persian Gum, Whey Protein Concentrate, Temperature and Frying Time on Fried Turkey Meat Characteristics
        B. Karimian Sichani M. Fazel
        Introduction: Coating with proteins and gums is a way to reduce the amount of oil absorbed in fried foods. The aim of this study was to evaluate the effect of temperature and time of frying and different concentrations of Persian gum and whey protein concentrate on phys More
        Introduction: Coating with proteins and gums is a way to reduce the amount of oil absorbed in fried foods. The aim of this study was to evaluate the effect of temperature and time of frying and different concentrations of Persian gum and whey protein concentrate on physicochemical properties of fried turkey meat.Materials and Methods: Physicochemical properties of turkey meat coated with different concentrations of Persian gum (1 and 2%) and whey protein concentrate (5 and 10%) after frying for 5, 7 and 9 minutes at the temperature of 140 and 160 °C were investigated in 3 replicates according to the national standards.Results: Increasing the frying temperature increased weight loss, fat, firmness, a* index and decreased moisture content and L* and b* indices (p<0.05). By increasing the concentration of Persian gum were increased the weight loss and was decreased the moisture content and firmness of the sample (p<0.05). Increasing the concentration of Persian gum did not have significant effect on the fat content and color parameters of the sample. Increasing whey protein concentrate decreased weight loss and fat in the sample and increased a* and b* indices (p<0.05) but did not have significant effect on moisture content, firmness and L* index.Conclusion: Coating with Persian gums and whey proteins has a significant effect on the physicochemical properties of the fried products. Manuscript profile
      • Open Access Article

        3 - The Effect of Persian Gum Coating Containing Green Mint Extract and Ultraviolet Ray on the Duration of Fresh Pistachio (Pistacia Vera)
        M. Moezi M. Fazel
        Introduction: Pistachio is one of the most popular nuts of the world due to its taste and nutritional value. The storage conditions of pistachios play an essential role in preserving the quality and organoleptic characteristics of the product, while unsatisfactory stora More
        Introduction: Pistachio is one of the most popular nuts of the world due to its taste and nutritional value. The storage conditions of pistachios play an essential role in preserving the quality and organoleptic characteristics of the product, while unsatisfactory storage conditions, create undesirable reactions and provide poor products quality. Materials and Methods: This study was carried out to evaluate the effect of various ultraviolet rays (4, 8,12 Kj/m2), Persian gum (7% w/v), and mint extract(1.5% v/v) on oxidative reactions and microbial characteristics of pistachio kernels of Kaleghuchchi cultivar. After applying the treatments, pistachios were packed in polyethylene bags and kept at refrigerated temperature (4 ± 1 ℃) for two months. In the first, third, fifth and eighth weeks, phenolic compounds, acidity, peroxide value, thiobarbituric acid number and lossing weight were measured. On the first and last days of storage, the total microbial load and yeast mold were evaluated. Inorder to evaluate the effect of gum and extract of mint on the sensory properties on the last day, five-point gradient Hedonic test was carried out. Statistical analysis was performed using SPSS20 software in a completely randomized design with three replications in LSD test. Results: The result showed that by increasing the intensity of radiation, the microbial load decreased (p <0/05), because the radiation by the nucleoide acid causes the breakdown of the primidine nucleotides, but it increases the acidity, peroxide, and thiobarbituric acid because the radiation causes degradation due to its photocatalytic activity. Phenolic compounds andantioxidant activity is reduced. In the coating samples, especially gum and mint extract coating, the levels of microbial, acidity, peroxide, and tiobarbituric acid were reduced (p <0.05) due to the presence of antioxidant capacity. the sensory evaluation results indicated that there was no significant difference in terms of smell, tast and overall acceptancebetween thesamples. Conclusion: Using Persian gum coating with mint extract, the increases antimicrobial power and also reduces the negative effect of UV on fat oxidation.   Manuscript profile