naturally occurring silvery-white metal smelted from the ore, Bauxite.
Because of its chemical form, aluminium never occurs in the metallic
form in nature, but its compounds are present to varying degrees in
almost all rocks, vegetation, and animals.
being the most abundant metallic element, constituting 8.1 percent of
the Earth's crust there is no dietary requirement for aluminium.
a food additive it is used solely for external decoration where it can
be found in the covering of dragées and the decoration of sugar-coated
flour confectionery, in cake decorations and to give a silvery finish
to pills and tablets.
it is also added to the tap water drinking supply in some areas to remove
discoloration and is widely available in antacid treatments. It can
also be ingested from soft drinks in aluminium cans used past their
sell-by dates, when the aluminium content of the drink has been found
to exceed the limits laid down by the EC for drinking water, and by
the use of aluminium pots and pans and cooking utensils.
is an increasing body of evidence to suggest that an accumulation of
aluminium in the cells of the nervous system could be potentially toxic.
It is found in abnormally high levels in the brain cells of Alzheimer's
disease sufferers, accumulated in the neurofibrillary tangles and neuritic
plaques, but it is not yet known whether it has a causative or resultant
role in the disease.
reports also suggest that a high aluminium intake may have adverse effects
on the metabolism of phosphorous and calcium in the human body and may
induce or intensify skeletal abnormalities such as osteoporosis.
urinary excretion of magnesium and calcium has been reported following
regular antacid use.
Not permitted in