Quality Evaluation of Some Selected Yoghurt Brand Sold in Retail Outlet Within Kabuga Kano,state.

Student: Hauwa'u Muhammad Umar (Thesis, 2025)
Department of Microbiology
Bayero University, Kano, Kano State

Abstract

Yoghurt is widely consumed for its nutritional value and associated health benefits. This study aimed to evaluate the bacteriological quality of yoghurt sold in Kabuga, Kano State, Nigeria. Five different commercially prepared yoghurt brands were randomly purchased from various outlets and analyzed using standard microbiological procedures. Four out of the five samples showed significant bacterial growth, ranging from 4.8 × 10⁶ to 9.5 × 10⁶ CFU/mL.Gram staining and Biochemical characterization of the isolates revealed the presence of Micrococcus roseus, Staphylococcus aureus, Streptococcus spp., and Micrococcus luteus. The presence of these organisms, some of which are potential pathogens, indicates poor hygienic practices during production and handling. The findings underscore the need for strict regulatory oversight and improved sanitary measures in the preparation, packaging, and distribution of yoghurt to safeguard public health.

Keywords
quality evaluation selected yoghurt brand retail outlet kabuga state
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