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Evaluating the effects of cooking on the decrease microbial contamination of kebabs and hamburgers supplied for selling in southern areas of Tehran
Mm Soltan Dallal , S Vahedi , H Zeraati , M Salsali , H Norooz Babaei , T Kaffashi , M Arasteh ,
Volume 1, Issue 1 (9 2007)
Abstract

Introduction and objectives: Despite the advances in the control of food-borne diseases, still one of the dilemmas in the health of most societies and a matter of concern for health authorities is food poi­soning and food-borne diseases by unsafe foods.

Materials and methods: In total 390 samples, including 195 samples of raw kebabs and hamburgers and 195 samples of the cooked ones were gathered from shops, sampling raw and cooked meat at the same time, and they were sent to the laboratory for testing, over a period of one year. The methods used for the tests were based on the Iranian National Standard procedures, numbers 356 and 2394.

Results: All the cooked specimens had bacterial contamination in acceptable standard levels and there­fore were considered consumable. From the 165 raw kebab samples, 90 samples (54.5%) were con­sumable but 75 samples (45.5%) were not fit for consumption, where from 30 raw hamburger samples, 22 samples (73.3%) were consumable and 8 (26.7%) were inconsumable. In serological evaluations, Thompson serotype had the highest prevalence in kebab and hamburger samples.

Conclusion: The results of present study show that there is no reason for concern in consuming cooked kebabs.


Histopathological Effects of Oral Administration of Nigella Sativa Hydroalcoholic Extract On Rat Digestive Tract
Mohammad Babaei, Ghasem Akbari, Amir Ali Shahbazfar,
Volume 14, Issue 3 (Aug & Sep 2020)
Abstract
Background and Aim: Nigella sativa with anti-inflammatory and antimicrobial effects is one of the most widely used medicinal plants that can be used as an alternative or adjunctive therapy due to many side effects of chemical drugs. The aim of this study was to evaluate the regenerative and protective effects of Nigella sativa from pathological point of view in rat gastrointestinal tract.
Materials and Methods: This study was carried on 30 wistar male rats which were divided randomly in to 3 groups. First and second experimental groups received 400 and 800 mg/kgbw Nigella sativa extract respectively and control group received normal saline orally by gavage for 2 months. The duodenum, jejunum, ileum and proximal colon samples were collected and after fixation with formalin 10% and tissue processing, the 5 μm sections were prepared and stained by hematoxylin eosin staining. Finally, light microscopy was used to determine the histological characteristics and the length of the small and large intestinal villi in the area of the duodenum, jejunum, ileum, colon, villus width and percentage of goblet cells. Data were analyzed by SPSS software.
Results: The results showed that Nigella sativa significantly increased the length of the villi in duodenum, jejunum and ileum. The width of the villi and the percentage of goblet cells were also increased.
Conclusion: Based on the results, it can be concluded that the Nigella sativa causes enhancement of food absorption by increasing the length of villi and has protective effects.

The Impact of the COVID-19 Pandemic on the Tax Revenues of West Azerbaijan Province
Majid Babaei, Shila Hasanzadeh, Sadeq Rezaei, Davoud Alirezazadeh Sadaghiani, Mohammadreza Sheikhy-Chaman,
Volume 17, Issue 2 (5-2023)
Abstract
Background and Aim: As a result of the COVID-19 pandemic, the global and Iranian economies have been affected in various ways. The tax sector seems to have reacted relatively quickly to this pandemic. This study examined the impact of the COVID-19 pandemic on tax revenues in West Azerbaijan Province.
Materials and Methods: This descriptive-analytic and cross-sectional study was conducted in the second half of 2021. Primary data for 17 cities of West Azerbaijan Province were provided by the General Administration of Tax Affairs of this province in the form of 9 variables in Excel Format. The data were related to 2019 (Before the COVID-19 pandemic) and 2020 (After the COVID-19 pandemic). The data were analyzed by SPSS using descriptive statistics (Frequency, Percentage, Median, Interquartile range) and analytical statistics (Wilcoxon signed rank test) at a 5% significance level.
Results: Based on the descriptive results, the COVID-19 pandemic caused an increase in the tax revenues of West Azerbaijan province in the fields of government employees’ salary tax, stock transfer tax, inheritance tax and stamp duty tax and a decrease in these revenues in the areas of private employee’s salary tax, income tax on legal entities, business income tax, property transfer tax and value-added tax. Based on the analytical results, the impact of this pandemic on the private employee’s salary tax (P=0.003), income tax on legal entities (P=0.019), business income tax (P=0.013), property transfer tax (P=0.015) and value-added tax (P=0.001) was found to be negative and significant. Furthermore, the effect on stock transfer tax (P=0.030) and inheritance tax (P=0.001) was positive and significant. On the other hand, the impact of this pandemic on government employees’ salary tax (P=0.287) and stamp duty tax (P=0.356) was not statistically significant.
Conclusion: The COVID-19 pandemic hurt most of the tax revenue sectors. To compensate for the decreased income in vulnerable sectors, the government must develop international trade with comprehensive support from the non-governmental sector while creating new tax lines. Also, stabilizing the financing cycle and designing mechanisms to prevent tax evasion, especially in high-paying jobs, can be fruitful.

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