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Microbiological studies on some soft cheeses in Taiz City
العناوين الأخرى
دراسات ميكروبيولوجية على بعض الأجبان الطرية في مدينة تعز-اليمن
المؤلفون المشاركون
al-Din, Jamal
al-Shamiri, M. R.
المصدر
Assiut University Bulletin for Environmental Researches
العدد
المجلد 17، العدد 1 (31 مارس/آذار 2014)، ص ص. 23-42، 20ص.
الناشر
جامعة أسيوط مركز الدراسات و البحوث البيئية
تاريخ النشر
2014-03-31
دولة النشر
مصر
عدد الصفحات
20
التخصصات الرئيسية
الموضوعات
الملخص EN
This investigation aims to study the effect of different storage temeratures on the microorganisms and keeping quality of local and imported soft cheeses.
The samples were taken from different markets in Taiz City, Republic of Yemen.
Both local and imported soft cheeses samples were stored at 28, 10 and 4°C.
The samples stored at 28°C were used as control samples.
Microbiological changes were followed by examination of samples during storage at zero time and weekly (every 7 days) for a period of 60 days until signs of spoilage appeared.
The results indicated that cold storage at 10°C reduced the contamination for the Aerobic, Anaerobic, Spore formers, Lactic acid bacteria, Coliform group, Salmonella spp, Staphylococcus spp, Streptococcus spp, Bacillus spp, Clostridium spp, Enterococci spp, Proteolytic bacteria, Psychrophilic bacteria and Yeast and Moulds counts by the following percentages : 47.63 and 50.10 %, 31.66 and 36.50 %, 28.32 and 24.84 %, 33.33 and 33.89 %, 35.44and 33.80%, 36.76 and 37.80%, 42.50 and 42.50%, 37.06 and 34.39%, 33.90 and 34.92 %, 34.95 and 38.87 %, 38.73 and 39.64 %, 57.55 and 50.76 %, 33.07 and 30.37% and 45.61 and 47.37% of local and imported soft cheeses respectively as compared with their control samples..
Also the cold storage at 4 °C induced a reduction by the following percentages:52.16 and 53.75 %, 33.33 and 39.18 %, 38.22 and 34.74 %, 39.96 and 49.32 %, 38.23 and 42.00 %, 41.10 and 42.95 %, 45.60 and 50.00 %,38.98 and 36.24 %, 36.87 and 37.66 %, 36.1 and 46.83 %, 46.60 and 59.13 %, 59.95 and 66.00 %, 42.51 % and 43.45 % and 62.71 and 63.43 %for the mentioned microbes and samples, respectively as compared with their control samples.
However, the shelf-life were increased by 21and 37 days when using a cold storage at 10 °C and extended by 30 and 60 days when using a cold storage at 4 °C of local and imported soft cheeses, respectively as compared with their control samples.
As well as the isolation and classification of (65) bacterial isolates from the above samples, those bacteria identified as (27) of Bacillus spp, and (38) of Lactic acid spp, both species divided into five groups.
نمط استشهاد جمعية علماء النفس الأمريكية (APA)
al-Din, Jamal& al-Shamiri, M. R.. 2014. Microbiological studies on some soft cheeses in Taiz City. Assiut University Bulletin for Environmental Researches،Vol. 17, no. 1, pp.23-42.
https://search.emarefa.net/detail/BIM-375847
نمط استشهاد الجمعية الأمريكية للغات الحديثة (MLA)
al-Din, Jamal& al-Shamiri, M. R.. Microbiological studies on some soft cheeses in Taiz City. Assiut University Bulletin for Environmental Researches Vol. 17, no. 1 (Mar. 2014), pp.23-42.
https://search.emarefa.net/detail/BIM-375847
نمط استشهاد الجمعية الطبية الأمريكية (AMA)
al-Din, Jamal& al-Shamiri, M. R.. Microbiological studies on some soft cheeses in Taiz City. Assiut University Bulletin for Environmental Researches. 2014. Vol. 17, no. 1, pp.23-42.
https://search.emarefa.net/detail/BIM-375847
نوع البيانات
مقالات
لغة النص
الإنجليزية
الملاحظات
Includes bibliographical references : p. 39-41
رقم السجل
BIM-375847
قاعدة معامل التأثير والاستشهادات المرجعية العربي "ارسيف Arcif"
أضخم قاعدة بيانات عربية للاستشهادات المرجعية للمجلات العلمية المحكمة الصادرة في العالم العربي
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