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
Greenwich 1959
[Report of the Medical Officer of Health for Greenwich Borough]
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(iii) Other Imported Egg Products.—The following consignments were subjected to a percentage bacteriological examination: —
| Country of Origin | Type of Egg Product | Quantity Imported | No. of Samples Taken | No. of Samples Contaminated |
|---|---|---|---|---|
| America | Dried Whole Egg | 21 x 100 lbs. | 3 | _ |
| Argentine | „ | 812 x 55 lbs. | 82 | - |
| China | „ | 3,602 x 110 lbs. | 587 | 32 (a) |
| East Germany | „ | 3,000 x 44 lbs. | 181 | - |
| Holland | „ | 437 x 100 lbs. | 45 | - |
| 68 x 66 lbs. | 8 | - | ||
| Sweden | „ | 60 x 110 lbs. | 6 | - |
| 17 x 90 lbs. | 2 | - | ||
| America | Glycerinated Hen Egg Yolk | 1 x 165 lbs. | 1 | - |
(a) Incidence of Salmonellae: Samples
Salmonella aberdeen 1
„ meleagridis 1
„ potsdam 1
„ thompson 21
„ typhimurium 8
(iv) Spray Dried Albumen. (Chemical Examination.)—In order to calculate more accurately the heat treatment necessary for a satisfactory outcome to be obtained in respect of this type of egg product, four samples of American Spray Dried Hen Egg Albumen and four samples of American Flake Albumen were examined for moisture content and pH values and the results were as follows:-
| Sample | Type of Albumen | % Moisture | pH Value |
|---|---|---|---|
| "A" | Spray Dried Albumen | 5.02 | 5.7 |
| "B" | 6.47 | 5.5 | |
| "C" | 7.13 | 5.5 | |
| "D" | 3.78 | 5.8 | |
| "E" | Flake Albumen | 12.90 | 5.1 |
| "F" | 12.78 | 5.1 | |
| "G" | 11.58 | 5.0 | |
| "H" | 13.90 | 5.3 |
Food and Drugs Act, 1955.—In accordance with the Council's
contract with the Public Analyst, 529 samples were presented for
examination, of which 116 were obtained in accordance with the
Public Health (Imported Food) Regulations. The remaining
samples, consisting of 36 formal and 377 informal were obtained
in the normal course of sampling and of these. 13, all informal,