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Articles by Ahmet Guner
Total Records ( 3 ) for Ahmet Guner
  Ahmet Guner and Nihat Telli
  Presence of Listeria monocytogenes in various semi-hard traditional cheeses including Van otlu (herby), Carra, Konya kuflu (mouldy) and Urfa tulum produced at different regions of Turkey was investigated. A total of 120 samples from these four cheese types were surveyed. Listeria sp. were detected in 50 of the 120 samples. Ratios of contaminated samples with Listeria sp. in four cheese types were Van otlu, 36.6% (11/30), Carra, 56.6% (17/30), Konya kuflu 43.3% (13/30), Urfa tulum, 30% (9/30). L. monocytogenes was determined in 34 of the 120 samples. Numbers of contaminated samples with L. monocytogenes in four cheese types were Van otlu, 9 (30%), Carra, 14 (46.6%), Konya kuflu, 7 (23.3%), Urfa tulum, 4 (13.3%). Listeria innocua, Listeria welshimeri and Listeria grayi were isolated from 2, 12 and 2 of the all samples, respectively. Listeria ivanovii and Listeria seeligeri were not detected in any of the samples. Any correlation was not observed between the presence of Listeria sp. and chemical composition of the cheeses.
  Mustafa Ardic , Ahmet Guner and Nihat Telli
  The effects of disodium dihydrogen pyrophosphate and sodium tripolyphosphate were investigated during ripening period of sausage. For this purpose, fermented dry sausages (sucuk) containing 0.3% disodium dihydrogen pyrophosphate (Group A), 0.3% sodium tripolyphosphate (Group B) and control group were manufactured. It was not determined any important effects of disodium dihydrogen pyrophosphate and sodium tripolyphosphate application on the pH value, Enterobacteriaceae, coagulase positive staphylococci and lactobacilli. On the other hand, the total aerobic mesophilic counts increased rapidly in Group A and B and found important (p<0.05) at the second day of fermentation. There was important effect of disodium dihydrogen pyrophosphate application (p<0.05) on the Micrococcus/Staphylococcus at the first day of fermentation. Enterobacter sakazakii and Enterobacter cloacae were found dominant species in each group and 48 of the 96 isolates was identified as E. sakazakii. Isolation rates of E. sakazakii in control group, Group A and B were determined as 39.39, 48.73 and 61.76%, respectively. In conclusion, it could be said that any important effects of disodium dihydrogen pyrophosphate and sodium tripolyphosphate on the microbiological quality of sucuk have not been determined.
  Sema Gulsen and Ahmet Guner
  Preeclampsia is a syndrome and complicates pregnancy. The purpose of this study was to determine the effect of nutrition on the etiology of preeclampsia. In this research, economic and social status, nutrition habits and medical biochemistry test results of the preeclamptic and healthy pregnant women were compared. A total 155 healthy pregnant women in the second trimester and 92 preeclamptic pregnant women were given a questionnaire containing questions related to social and economic situation and nutrition habits. Body mass index, blood pressure and laboratory analysis of blood and urine samples were also investigated. Majority of the preeclamptic women had low education and income. They consumed less meat and dairy products and more bread and legumes than healthy counterparts. Moreover, systolic and diastolic blood pressure values were greater thrombocyte count, calcium, protein and albumin levels were lower and urea, creatinine and liver enzyme (SGOT, SGPT and LDH) levels were higher for preeclamptic women than for healthy pregnant women. In conclusion, possibly in association with economical and educational statuses, women who consume less animal origin proteins and excess carbohydrates are at risk for preeclampsia.
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