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

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Marylebone 1900

[Report of the Medical Officer of Health for St. Marylebone, Metropolitan Borough]

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19
On the other hand, in golden syrup, and in various kinds
of confectionery, glucose is from time to time used. Golden
syrup, or treacle, should be the product of the sugar-cane and
should contain no starch glucose syrup. This is a more probable
source of poisoning now than beer, because the glucose syrup,
if added at all, is usually added in considerable amount.
Glucose syrup does not necessarily contain arsenic. It has
never been found, for example, in American glucose made by
the action of hydrochloric acid on starches; and in the English
system of making starch-glucose by acting on the starch with
some 3 or 4 per cent. of sulphuric acid, if the acid is free from
arsenic, the glucose also will be free from arsenic. Attention
is now being directed to all products in which glucose may enter
as a proper or improper addition, and such articles are carefully
tested for arsenic.