Antimicrobial Activity of Indigenous Plants Used by Pastoral Communities for Milk Preservation

Description

Milk is an important part of the diet among pastoral communities in Kilosa district, Tanzania. Its production and consumption derive much food security and economic benefits to the rural people in the district. However, Milk has a complex biochemical composition, and its high-water activity and nutritional value serve as an excellent medium for the growth and multiplication of many kinds of microorganisms. In order to improve the shelf-life and safety of milk, this study was explored. A cross-sectional study by use of 50 questionnaires was conducted on the knowledge and practices of the herbs used in milk preservation in two villages, after which plant parts of Dalbergia melanoxylon and Combretum imberbe were collected for laboratory analysis. Biological activity using Minimum inhibition concentration (MIC) serial dilution assay against six milk spoilage bacteria and Titratable acidity of raw milk treated with plant extracts were determined.