One of the oldest examples of the application of biotechnology
Nevertheless a very useful way of illustrating how micro‐organisms can be used in manufacturing products and the importance of monitoring the steps along the way
This Microbiology of Yoghurt Kit investigates:The differential growth rates of Lactobacillus bulgaricus and Streptococcus thermophilus
Estimation of the total bacterial population
Titration of acid produced
Measuring pH
Determination of clotting point of caseinThe kit provides sufficient practical activity to occupy a normal class of students at 16+ level working in groups
The concepts included in the kit are particularly suitable for A‐Level students and for use at college level
These organisms present no particular safety problems
