London's Pulse: Medical Officer of Health reports 1848-1972
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Hints from the Health Department. Leaflet from the archive of the Society of Medical Officers of Health. Credit: Wellcome Collection, London
Islington 1966
[Report of the Medical Officer of Health for Islington Borough]
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Ice Cream
Ice Cream (Heat Treatment, etc.) Regulations, 1959
Supervision of the manufacture and distribution of Ice Cream.
During the year 138 inspections were made of ice cream premises and vehicles.
The number of premises registered:
(a) for manufacture, sale and storage 24
(b) for sale and storage 528
(c) for sale only 126
(d) for storage only 3
681
Ice Cream Samples
1. Bacteriological Examination
Eighteen samples of ice cream were sent for bacteriological examination and,
following Methylene Blue tests, were graded as follows:-
Grade I 10
Grade II 4
Grade III 1
Grade IV 3
18
Samples falling within Grades I or II are considered satisfactory.
2. Chemical Analysis
Seven samples were sent for chemical examination and all were found to be
satisfactory.
Milk Samples
| Class of Milk | Results | Phosphatase | Methylene Blue | Turbidity | Biological | Total number of samples |
|---|---|---|---|---|---|---|
| Pasteurised | Satisfactory | 10 | - | - | - | 10 |
| Unsatisfactory | - | 2* | - | - | 2 | |
| Sterilised | Satisfactory | - | - | 4 | - | 4 |
| Unsatisfactory | - | - | - | - | - | |
| Ultra Heat Treated | Satisfactory | 1 | - | - | - | 1 |
| Unsatisfactory | - | - | - | - | - | |
| Untreated | Satisfactory | - | . | . | - | - |
| Unsatisfactory | - | - | - | - | - |
* Sample void due to high shade temperature reading.
2. Chemical Examination
Details of samples submitted
Satisfactory Unsatisfactory Total
Formal
Informal 47 - 47
59