Hints from the Health Department. Leaflet from the archive of the Society of Medical Officers of Health. Credit: Wellcome Collection, London
[Report of the Medical Officer of Health for Poplar, Metropolitan Borough]
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In most cases the Regulations were complied with both as regards
type of preservative and amounts permitted, but in the following cases
there were infringements:—
Two butters contained boracic acid, 11 pearl barleys were bleached
with sulphur dioxide, 1 meat contained sulphur dioxide, and 2 sweets
contained excess of sulphur dioxide.
Condensed Milks.
Seven samples were examined under the Condensed Milk Regulations,
5 full-cream and 2 evaporated.
These were all satisfactory.
Bacteriological Examination of Milks.
Sixty samples of Grade "A" (Tuberculin Tested) milk were examined.
48 of these were taken by the Inspectors with the usual formalities, and 12
were submitted by the bottlers.
Thirteen of the former and 3 of the latter were unsatisfactory. This is
at the rate of 26.7 per cent., showing an increase on the previous year
when the rate of unsatisfactory samples was 16.3 per cent.
In all cases the unsatisfactory condition was due to the presence of
bacillus coli. In only 2 cases was the total number of organisms in excess,
in addition to the presence of bacillus coli.
The presence of bacillus coli occurring with a normal number of total
organisms is probably due to unclean methods of production.
Seven samples were taken in course of delivery, from churns at the
Railway Stations, followed in 6 cases by samples from same delivery at
bottlers' premises, after bottling. This method of sampling followed up
unsatisfactory samples which had previously been taken from bottlers.
In 4 cases it was found that the milk as taken from the churn was in
an unsatisfactory condition owing to the presence of bacillus coli.
The samples taken from bottlers premises later in the day showed
little difference from the original samples.