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
City of London 1933
[Report of the Medical Officer of Health for Port of London]
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| Date. 1933. | Sample. | Result of Analysis. | Action taken. | ||
|---|---|---|---|---|---|
| Nov. 22 | Crushed Linseed Cake | Careful examination failed to reveal the presence of Castor Seed Husk. | Further investigation of formal sample. | ||
| „ 23 | Tomato Puree | Free from the presence of preservatives and prohibited colouring matter. | None. | ||
| „ 29 | Sardines (6) | These samples on analysis gave the following results:— | Consignment re-exported. | ||
| Sample No. | Lead, parts per million. | ||||
| 1 | 16 | ||||
| 2 | 14 | ||||
| 3 | 20 | ||||
| 4 | 23 | ||||
| 5 | 18 | ||||
| 6 | 25 | ||||
| „ 29 | Sultanas | Sulphite preservative equivalent to 185 parts of sulphur dioxide per million. | None. | ||
| Dec. 4 | Raisins (2) | These samples on examination were found to contain sulphite preservative equivalent to 560 and 775 parts of sulphur dioxide per million. | Released for ship's stores. | ||
| „ 9 | Raisins (6) | These samples on analysis gave the following results:— | None. | ||
| Sample No. | Parts of Sulphur Dioxide per million. | ||||
| 1 | 625 | ||||
| 2 | 635 | ||||
| 3 | 690 | ||||
| 4 | 560 | ||||
| 5 | 525 | ||||
| 6 | 570 | ||||
| „ 12 | Jelly Powder "Stlt Gele" | The sample was found to be free from preservatives but contained lead and lead compounds equivalent to 26 parts of lead per million. The colouring was due to a dye of vegetable origin, somewhat characteristic of the Lichen class. | Reported to the Ministry of Health and to the Medical Officer of Health of Southwark. | ||
| „ 14 | Raisins (6) | These samples on analysis gave the following results:— | None. | ||
| Sample No. | Parts of Sulphur Dioxide per million. | ||||
| 1 | 650 | ||||
| 2 | 620 | ||||
| 3 | 470 | ||||
| 4 | 660 | ||||
| 5 | 540 | ||||
| 6 | 575 | ||||
| „ 14 | Sardines* | This sample on examination was found to contain lead and lead compounds equivalent to 21 parts of lead per million. | Consignment detained for further sampling. | ||
| „ 19 | Liquid Yeast | This sample on examination was found to contain the following:— | None. | ||
| Water | 35.31% | ||||
| Nitrogen | 0.07% | ||||
| Nitrogen equal to Albuminoids | 0.37% | ||||
| Mineral Matter | 0.81% | ||||
| Sugar solution was rapidly inverted at 20°C., showing the presence of considerable quantities of invertase. Traces of alcohol were also detected after treating 5% sugar solution with the sample for four days at 20.25°C. No arsenic was detected. | |||||
| „ 20 | Sardines (6)* | These samples on analysis gave the following results:— | None. | ||
| Sample No. | Lead, parts per million. | ||||
| 1 | 15 | ||||
| 2 | 13 | ||||
| 3 | 12 | ||||
| 4 | 13 | ||||
| 5 | 13 | ||||
| 6 | 8 | ||||
| „ 21 | Sardines (2) | 1 | 16 | None. | |
| 2 | 18 | ||||