Hints from the Health Department. Leaflet from the archive of the Society of Medical Officers of Health. Credit: Wellcome Collection, London
[Report of the Medical Officer of Health for Lambeth, Metropolitan Borough of]
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The detailed definitions suggested by the Board are:—
A.—General Standard, for Vinegar.
Vinegar is a liquid derived wholly from alcoholic and
acetous fermentation; it shall contain not less than 4
grammes of acetic acid (CH3 COOH) in 100 cubic centimetres
of vinegar; it shall not contain arsenic in amounts
exceeding 0.0143 miligrammes per 100 cubic centimetres of
vinegar nor any sulphuric or other mineral acid, lead or
copper, nor shall it contain any foreign substance or colouring
matter except caramel.
Malt Vinegar is derived wholly from malted barley or
wholly from cereals, the starch of which has been
saccharified by the diastase of malt.
B.—Artificial Vinegar.
Artificial Vinegar is any vinegar, or substitute for
vinegar containing, or derived from any preparation containing,
any added acetic acid which is not wholly the
product of alcoholic and subsequent acetous fermentation.
It shall contain not less than 4 grammes of acetic acid
CH3 COOH) in 100 cubic centimetres of the artificial
vinegar . It shall not contain arsenic in amounts exceeding
0.0143 milligrammes per 100 cubic centimetres of artificial
vinegar, nor any sulphuric or other mineral acid, lead or
copper, nor shall it contain any foreign substance or
colouring matter except caramel.
(e) Drugs.
31 informal samples of drugs were taken and submitted
to the Public Analyst for analyses for the presence of lead,
and in several instances lead was found in quantities varying
from 1 to 14 parts per million. The usualy accepted limit
for lead in samples is 20 parts per milion, so that the
results of the analyses were satisfactory, from the point of