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Evaluation of Different Proportions of Distilled Water to Substrate on Functional Properties, Antioxidant and Nutritional Quality of Bigeye Ilisha (Ilisha Megaloptera) protein hydrolysate
Aniseh Jamshidi, Bahareh Shabanpour, Parastoo Pourashouri, Mojtaba Raeisi,
Volume 6, Issue 3 (9-2018)
Abstract
Background and Objectives: Production of fish protein hydrolysate is a method for converting the low-value economical underutilized fish species to value-added products. This study aimed to evaluate the different proportions of distilled water to the substrate on the functional characteristics, antioxidant and nutritional quality of fish protein hydrolysate of bigeye ilisha (Ilisha megaloptera) produced by enzymatic hydrolysis.
Materials and Methods: After defatting of minced fish, the hydrolysis process was carried out using three different 4:1, 5:1 and 6:1 distilled water to substrate proportions by using alcalase enzyme in three replications. The protein hydrolysate samples were analyzed for approximate composition (soluble protein, moisture, fat and ash), functional characteristics (solubility, foam capacity, and foam stability), antioxidant properties (DPPH radical scavenging activity and reducing power) and mineral composition.
Results: In this study, the ratio of distilled water to the substrate affected the protein hydrolysate properties and the highest amounts of hydrolysis degree and DPPH radical scavenging activity were observed in samples with 5:1 ratio. Fish protein hydrolysate obtained from 4:1 ratio had the highest amount of soluble protein, and no significant difference was observed in term of solubility with samples obtained by 5:1 ratio. Moreover, there were no significant differences in terms of lightness and foam capacity of samples obtained from 4:1 and 6:1 proportions.
Conclusion: According to the results of the study, using a 4:1 ratio of distilled water to substrate led to the production of fish protein hydrolysates from bigeye ilisha with higher functional properties and nutritional composition.
Clinical and epidemiological features of covid-19 deaths in Behbahan county, southwestern Iran, in 2020-2022
Kazem Alizadeh Barzian, Negar Noorbakhsh, Mehdi Jamshidi, Mohamad Sabaghan, Nima Daneshi, Zainab Shajirat, Abolhasan Difrakhsh, Afsaneh Waysi, Hamid Behrouj, Zahra Nikkhoy, Ali Jamshidi,
Volume 12, Issue 3 (12-2024)
Abstract
Background: The Coronaviridae family is responsible for coronavirus disease 2019 (COVID-19), which has become a global health threat. In Iran, the first confirmed case of COVID-19 was reported in Qom on February 19, 2020. The rapid spread of the virus led to a significant number of fatalities, highlighting the need for a detailed analysis of demographic, epidemiological, and clinical factors to enhance public health measures. Therefore, this study aimed to investigate the epidemiological, clinical, and demographic features of COVID-19 deaths in Behbahan County, southwestern Iran, in 2020-2022.
Methods: In the present cross-sectional study, patients diagnosed with COVID-19 who died from the infection in all hospitals of Behbahan were analyzed. We used a questionnaire including data about the demographic, epidemiologic, and clinical of each patient. Finally, all the results were analyzed by SPSS v. 21.
Results: We enrolled 437 polymerase chain reaction (PCR)-confirmed COVID-19 cases from this period, of whom 61% were men. The highest mortality rate was among those aged 61 to 70 years (27%), and the lowest number was among children and adolescents below 20 years old. The results of the survey also showed that there were 3 main risk factors: diabetes (28%), cardiovascular diseases (25%), and high blood pressure (17%), which contributed to death in these groups. The highest mortality rate occurred in July 2021, followed by June 2020.
Conclusion: There was a significant correlation between the age of the patients, the history of at least 1 chronic disease, and the mortality rate in infected patients. For this reason, it is crucial to implement precautionary procedures to reduce the number of deaths among infected people. Thus, the results of the present study can depict a better picture of the patients' condition in Behbahan and provide insight into future approaches.
 

Epidemiologic, demographic, and clinical characteristics of brucellosis in Behbahan County, Southwest Iran, during the years 2000-2021
Kazem Alizadeh-Barzian, Zahra Nikkhooy, Rahmatollah Soltani , Mehdi Jamshidi , Mohamad Sabaghan , Abolhasan Difrakhsh , Roya Ghanavati, Masoud Parash , Ali Jamshidi,
Volume 12, Issue 3 (12-2024)
Abstract
Background: Brucellosis is a major health and economic problem in many parts of the world, including Iran. Therefore, this study aimed to investigate epidemiologic, demographic, and clinical aspects of the disease in Behbahan County during 2000-2021.
Methods: In this descriptive cross-sectional study, we used a checklist that included epidemiologic, demographic, and clinical characteristics of patient data from Behbahan Medical Sciences Health Centers. SPSS version 21 was used for data analysis
Results: Of the 258 brucellosis cases, 137 (53%) were male, with the highest prevalence in the 20–29 age group. The disease was more common among pastoralists (42%) and rural men (54%). The first six months of the year, especially May, had the highest infection rate (47 cases). Consumption of unsterilized dairy (88.8%) was identified as the primary mode of transmission. The average incidence was 6 cases per 100,000 population, peaking at 18.1% in 2021. Doxycycline and Rifampin were the most commonly prescribed drugs. The highest titers in the tests were 1:160 for Wright, 1:160 for Coombs’ Wright, and 1:80 for 2ME (mercaptoethanol). Musculoskeletal pain was the most common symptom (95%), while weight loss was the least reported (5%).
Conclusion: Considering the increasing trend of disease prevalence in Behbahan County, it seems necessary to implement preventive measures such as vaccination, public education, increased cooperation between the Veterinary Office and Behbahan University of Medical Sciences, as well as monitoring the distribution of meat and dairy products at the local level to prevent the spread of the disease.
 

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