Hints from the Health Department. Leaflet from the archive of the Society of Medical Officers of Health. Credit: Wellcome Collection, London
Report for the year 1926 of the Medical Officer of Health
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35
Ice Cream.
During the year there were 64 premises in the Borough where ice cream was
manufactured, and in addition to my inspections 174 inspections of these premises were
made, and five notices were served.
Ice cream is manufactured in the Italian colony as follows:—
Premises on which 20 gallons made daily | 1 |
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In addition ice cream was also manufactured on the following premises :—
Mr. Bennett's District. | Mr. Clark's District. | Mr. Larard's District. | |
---|---|---|---|
Restaurants | 5 | 2 | 2 |
Confectioners | 6 | 7 | 6 |
Other | 2 | 9 | 3 |
During the summer of 1926 ten samples of ice cream were purchased and
submitted to bacteriological examination.
The result of the bacteriological examination is shown in the following table: —
Sample and date purchased. | Where purchased. | Organisms per cc. growing on Agar at 37° C for 24 hours. | Streptococci present in 1 cc. | Minimum volume showing eoliform organisms.1 | Minimum volume showing B enteritidis sporogenes. |
---|---|---|---|---|---|
1 13/8/26 | Street barrow | 20,000 million | present | .0001 cc. | .0001 cc. |
2 ,, | Street stall | 700 „ | present (long-chained) | .0001 cc. | not observed in 1 cc. |
3 ,, | Street barrow | 1,000 „ | none observed | .00000l cc. | not observed in 1 cc. |
4 ,, | Street barrow | 5,000 „ | present | .01 cc. | .00001 cc. |
6 ,, | Street stall | 1,500 | none observed | 1 cc. | not observed in I cc |
6 6/8/26 | Dairy | 600 „ | present | .000001 cc. | .0000l cc. |
7 ,, | General shop | 400 „ | present | 1 cc. | .00001 cc. |
8 ,, | Restaurant | 800 ,, | present | .0001 cc. | .00001 cc. |
9 ,, | Restaurant | 600 „ | present (long-chained) | .01 cc. | 1 cc. |
10 „ | Confectioner | 400 „ | none observed | not observed in 1 cc | .00001 cc, |
*Types of coliform organisms present approximated to B. coli group, B. lactis ærogenes group, and
B. fæcalis alkaligenes.
The bacteriological examinations were carried out at the Royal Institute of
Public Health. Samples were delivered at the laboratory of the Institute
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