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العنوان
Microbiological Quality Assessment of Dairy
Desserts Sold in New Valley Governorate
المؤلف
Zawam, Hanan Fahmi Sayed
هيئة الاعداد
باحث / Hanan Fahmi Sayed Zawam
مشرف / Sotohy Ahmed Sotohy
مشرف / Rania Mohamed Ewida
مناقش / Samia Sayed Abdel Naby
الموضوع
------
تاريخ النشر
2022
عدد الصفحات
61 p. :
اللغة
الإنجليزية
الدرجة
ماجستير
التخصص
البيطري
تاريخ الإجازة
1/1/2022
مكان الإجازة
جامعة الوادى الجديد - كلية الطب البيطري - Milk Hygiene
الفهرس
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Abstract

A hundred fifty randomly collected samples of ice cream, rice
pudding and mehallabia (50, each) from different localities in El-Dakhla
city, New Valley Governorate, Egypt, were microbiologically examined.
The obtained results showed the T. B.C found in all the examined ice
cream samples, with an average count CFU/ml. While, the
occurrence of psychrotrophic bacteria was 66% with an average count
CFU/ml, total coliforms and fecal coliforms existed in all the
examined samples with an average count
and
CFU/ml, respectively. S. aureus, yeast and mold were detected in 18, 96
and 70% with an average count
,
and
CFU/ml, respectively. E. coli was detected in 20%, while anaerobes were
not detected in any of the examined samples.
In rice pudding samples, the T.B.C, total coliforms and fecal
coliforms existed at 100, 94 and 90% in the tested rice pudding samples,
with counts ranged between
-
,
-
and
- CFU/ml, respectively. E. coli, S.
aureus, yeasts and mold were found in 16, 10, 94 and 74%, respectively.
The S. aureus count ranged from
to
, yeast and
mold counts ranged from
to
and
to
CFU/ml, respectively. All the examined samples were negative
for psychrotrophic bacteria and anaerobes.
While, in mehallabia samples, the average counts were
,
,
,
,
and
CFU/ml, for T.B.C, total coliforms, fecal coliforms, S. aureus counts,
yeast and mold, respectively. The positive % of aerobic plate, total
coliforms, fecal coliforms, E. coli, S. aureus counts, yeast and mold were
100, 90, 80, 10, 12, 90 and 64, respectively. All the examined samples
were negative for psychrotrophic bacteria and anaerobes.