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

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Wandsworth 1914

[Report of the Medical Officer of Health for Wandsworth, Metropolitan Borough]

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246
Report of the Medical Officer of Health.
The nature and
extent of the
adulteration
reported.
As regards the milk samples, the greatest adulteration in
respect of extraneous water occurred in the case
of formal sample No. 90, where it amounted to
18 per cent. The greatest deficiency in milk fat
occurred in the case of formal sample No. 38, where it amounted
to 97 per cent. Formal samples Nos. 63, 440 and 462 followed
closely with a milk fat deficiency of 92, 88, and 73 per cent.
respectively.
Of the creams purchased as "fresh" 4 samples of the 10 samples
submitted were found to contain a boron preservative. The amounts
present, expressed in terms of crystallised boric acid, ranged from
0.26 per cent., in the case of both formal samples Nos. 168 and 174,
to 0.20 per cent. in the case of formal sample No. 155.
Of the cream purchased as "preserved" all 4 samples were
found to contain a boron preservative ranging from 0.25 per cent.
in the case of formal sample No. 156 to 0.12 per cent. in the case
of formal tample No. 158.
The fat content of all creams examined ranged from 33.4 per
cent. to 62 per cent.
The details of all adulterated samples grouped under this
heading are given in Table C.

The following Table illustrates the number of cases in which preservatives were found in the milk supply of the Borough in this and the three preceding years.

Year.Total No. of samples examined.No. found to contain a preservative.Percentage.
191158640.68
191272760.82
191379820.25
1914895None0.0