London's Pulse: Medical Officer of Health reports 1848-1972

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Chelsea 1931

Annual report of the Medical Officer of Health for Chelsea, 1931

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95
MUSTARD MIXTURE.
10. These samples all consisted of Mustard mixed with small percentages
of Wheat Flour, and in view of the declarations at the time of
purchase, they must be regarded as having been properly described.
CREAM.
11. The fat of all the samples had the composition of fat derived from
milk, they were free from preservatives, and had the composition of
samples of genuine Cream.
PORK SAUSAGES.
12. The two Informal samples of sausages reported as adulterated
contained the following amounts of Sulphur di-oxide:—
i. 0.02746 per cent, equivalent to 274.6 parts per million.
ii. 0.0206 „ „ 206.0
PRESCRIPTION.
13. The sample of Prescription was of a composition in accordance
with that ordered, and was therefore certified to be genuine.
WHISKY.
14. The samples had the composition of genuine spirits or of samples
which must be regarded as unadulterated. They were above the limit
of strength laid down by the Food and Drugs (Adulteration) Act, 1928,
which limit is 35 degrees under proof for all spirits.
RICE.
15. The sample reported as Adulterated contained 0.19 per cent, of
Fxtraneous Mineral matter, equivalent to 43.3 grains per pound of rice.
This mineral matter consisted of a silicate of Magnesia .which is quite
insoluble in water, and is used for the purpose of " Facing " the Rice,
causing it to be indigestible.
DRIED FRUITS.
16. Four of the samples contained slight amounts of sulphur dioxide,
which had been used as a preservative, but the amounts were in
all cases below the limits allowed.
GREEN PEAS (TINNED).
17. The sample had been coloured with an organic dye to produce
a green colour, it was free from metals such as copper. Whether the