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
Southwark 1971
[Report of the Medical Officer of Health for Southwark, Borough of]
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The following samples were submitted for chemical examination:—
| Frozen Liquid Egg for alpha-amylase test | 522 | |
| Routine Chemical Examination: | ||
| Canned Fruit and Juice | 566 | |
| Dried Fruit | 126 | |
| Canned Meat | 96 | |
| Canned Vegetables | 46 | |
| Canned Fish | 137 | |
| Canned Tomatoes | 54 | |
| Tomato Puree | 55 | |
| Tea | 114 | |
| Butter and Fats | 59 | |
| Lard | 108 | |
| Nuts | 112 | |
| Cheese | 53 | |
| Miscellaneous | 426 | 1,952 |
| Total Number of Chemical Samples | 2,474 | |
The Liquid Egg (Pasteurisation) Regulations, 1963
There is one egg pasteurising plant operating in the borough, which combines
the process of egg pasteurisation with that of egg breaking and the freezing of liquid
egg. The plant is high temperature short time with inplace cleaning. The plant is
equipped with its own laboratory in which tests for B. Coli and plate count, in addition
to the alpha-amylase test, are carried out.
105 samples of pasteurised home produced liquid egg were taken from the plant
for alpha-amylase test and all were found to be satisfactory.
One sample of imported German Preserved Liquid Egg Yolk was taken and
found to be satisfactory.
72