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
Battersea 1953
[Report of the Medical Officer of Health for Battersea Borough]
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37
Milk.
100 formal samples of milk were taken during the year.
Of the 100 samples, 17 were designated as "Channel Islands" or
"South Devon" milk, for which a higher minimum percentage (viz.,
4 Per cent.) of milk fat content is provided for under arrangements made
between the producers and the Ministry of Food. 16 of these samples
were reported to be in conformity with this standard, their average
imposition being:—
Milk fat 4.32 per cent.
Non-fatty solids 9.09
Total milk solids 13.41
The remaining sample was reported to be deficient in milk fat
to the extent of 3 per cent. The facts of this case were reported to the
Ministry of Food as soon as the result of the analysis was known.
their request, further samples were obtained from the supplier and
Proved to be satisfactory.
The milk fat content of the 17 samples of "Channel Island" or "South Devon" milk ranged as under:—
| Between 4.6 and | 4.7 per cent. | 1 sample |
| „ 4.5 „ | 4.6 „ | — „ |
| „ 4.4 „ | 4.5 „ | 4 samples |
| „ 4.3 „ | 4.4 „ | 5 „ |
| „ 4.2 „ | 4.3 „ | 6 „ |
| Under 4.0 per cent. | 1 sample | |
| 17 | ||
The remaining 83 samples (of ordinary milk) were all reported as genuine and their average composition was as follows:—
| Milk fat | 3.59 per cent. |
| Non-fatty solids | 8.74 „ |
| Total milk solids | 12.33 „ |
Their content of milk fat ranged as follows: —
4 per cent, and over ... 2 samples or 2.4 per cent.
Between 3.9 and 4.0 per cent 9 „ „ 10.9 „
„ 3.8 „ 3.9 „ 6 „ „ 7.2 „
„ 3.7 „ 3.8 „ 6 „ „ 7.2 „
„ 3.6 „ 3.7 „ 20 „ „ 24.1 „
„ 3.5 „ 3.6 „ 20 „ „ 24.1 „
„ 3.4 „ 3.5 „ 14 „ „ 16.9 „
„ 3.3 „ 3.4 „ 4 „ „ 4.8 „
„ 3.2 „ 3.3 „ 1 sample „ 1.2 „
„ 3.1 „ 3.2 „ 1 „ „ 1.2 „
„ 3.0 „ 3.1 „ — —
83 100.0