MOLDS CONTAMINATION OF RAW MILK AND DAIRY PRODUCTS: OCCURRENCE, DIVERSITY AND CONTAMINATION SOURCE

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MOSHTAGHI MALEKI T.; HANIFIAN S.

مرکز اطلاعات علمی Scientific Information Database (SID) - Trusted Source for Research and Academic Resources

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Journal: JOURNAL OF FOOD HYGIENE Year:2015 | Volume:5 | Issue:3 (19) Page(s): 9-20

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Title

MOLDS CONTAMINATION OF RAW MILK AND DAIRY PRODUCTS: OCCURRENCE, DIVERSITY AND CONTAMINATION SOURCE

Author(s)

MOSHTAGHI MALEKI T. | HANIFIAN S. | Issue Writer Certificate

Keywords

MOLD OCCURRENCEQ2

DIVERSITYQ1

RAW MILKQ2

DAIRY PRODUCTSQ2

CONTAMINATION SOURCESQ2

Abstract

This study aimed to assess the occurrence and DIVERSITY of mold species in RAW MILK and its products along with the identification of potential CONTAMINATION SOURCES. For this reason, a total of 260 samples consisting of 80 RAW MILK, 100 DAIRY PRODUCTS (i.e., pasteurized milk, yoghurt, cheese and buttermilk) and 80 environmental (i.e. ingredients, packaging materials, surface of processing equipments and air) specimens were collected. Using culture assay and microscopic observation, the occurrence as well as the DIVERSITY of mold species was investigated. According to the results, 82.3% of the samples were identified as positive for mold contamination. The percentage of mold contamination for RAW MILK was estimated as 97.5%. In the case of pasteurized milk, yoghurt, buttermilk, cheese and environmental samples, it was determined as 52%, 76%, 52%, 56% and 96.25%, respectively. Mold DIVERSITY among various samples consisted of Aspergillus, Geotrichum, Penicillium, Mucor, Alternaria, Rhizopus, Stemphylium, Cladosporium, and Fusarium. Results revealed a significant (p<0.01) correlation between kind of mold species isolated from RAW MILK and DAIRY PRODUCTS. Similarly, a correlation was observed between DAIRY PRODUCTS and environmental sources. Regarding the high occurrence of mold contamination in RAW MILK and environmental sources, it seems that in some instances heat treatment was not effective enough to inactivate all molds; whereas in some other cases, cross contamination may have resulted in mold contamination. Therefore, it is crucial to maintain hygienic conditions during RAW MILK handling as well as processing steps. These practices could efficiently reduce the occurrence of mold contaminations in DAIRY PRODUCTS.

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APA: Copy

MOSHTAGHI MALEKI, T., & HANIFIAN, S.. (2015). MOLDS CONTAMINATION OF RAW MILK AND DAIRY PRODUCTS: OCCURRENCE, DIVERSITY AND CONTAMINATION SOURCE. JOURNAL OF FOOD HYGIENE, 5(3 (19)), 9-20. SID. https://sid.ir/paper/222776/en

Vancouver: Copy

MOSHTAGHI MALEKI T., HANIFIAN S.. MOLDS CONTAMINATION OF RAW MILK AND DAIRY PRODUCTS: OCCURRENCE, DIVERSITY AND CONTAMINATION SOURCE. JOURNAL OF FOOD HYGIENE[Internet]. 2015;5(3 (19)):9-20. Available from: https://sid.ir/paper/222776/en

IEEE: Copy

T. MOSHTAGHI MALEKI, and S. HANIFIAN, “MOLDS CONTAMINATION OF RAW MILK AND DAIRY PRODUCTS: OCCURRENCE, DIVERSITY AND CONTAMINATION SOURCE,” JOURNAL OF FOOD HYGIENE, vol. 5, no. 3 (19), pp. 9–20, 2015, [Online]. Available: https://sid.ir/paper/222776/en

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