Copied this from the web-site. Hope it's what's wanted?
Cheers, Roger
Rotorua, NZ
Boranić M.
Institut Ruder Bosković, Zavod za molekularnu medicinu, Bijenicka
cesta 54, 10000 Zagreb.
Zeolites are natural and synthetic hydrated crystalline
aluminosilicates endowed with absorptive and ion exchange properties.
They have found numerous and multifarous applications--in industry as
catalysts and absorbents, in water sanitation for the removal of
ammonia and heavy metals, in agriculture as fertilizers, and in
animal husbandry as the absorbents of excreted material and as food
additives. Medical applications have included the use in filtration
systems for anesthesia or dialysis and as the contrast materials in
NMR imaging. Recently, zeolite powders for external use have found
application as deodorants, antimycotic agents and wound dressings.
Peroral use of encapsulated zeolite powders enriched with vitamins,
oligoelements or other ingredients has been claimed to exert
beneficial medical effects. Ingestion of zeolites may be considered
analogous to the clay eating (geophagia), considered in traditional
medicine as a remedy for various illnesses. Being amphoteric,
zeolites are partly soluble in acid or alkaline media, but within the
physiological pH range the solubility is generally low. Minimal
amounts of free aluminium or silicium from the ingested zeolites are
resorbed from the gut. The bulk of ingested zeolite probably remains
undissolved in the gut. In view of the ion exchange properties,
zeolites may be expected to change the ionic content, pH and
buffering capacity of the gastrointestinal secretions and to affect
the transport through the intestinal epithelium. In addition,
zeolites could affect the bacterial flora and the resorption of
bacterial products, vitamins and oligoelements. The contact of
zeolite particles with gastrointestinal mucosa may elicit the
secretion of cytokines with local and systemic actions. Reactive
silicium ions might react with biomolecules of the intestinal
epithelium, and if resorbed, do so in other cells. Mutagenic and
carcinogenic effects of zeolite particles have been described,
resembling such effects of asbestos fibers. Thus, local and systemic
effects of zeolites may be complex and interrelated, and an objective
assessment requires appropriate experimental models.
On 30 Aug, 2007, at 2:10 PM, Clayton Family wrote:
If you can figure out how to paste this into the browser... it has
some interesting information on the mineral.
http://www.ncbi.nlm.nih.gov/sites/entrez?
Db=pubmed&Cmd=ShowDetailView&TermToSearch=11291273&ordinalpos=1&itool=
EntrezSystem2.PEntrez.Pubmed.Pubmed_ResultsPanel.Pubmed_RVAbstractPlus
and this one:
http://www.ncbi.nlm.nih.gov/sites/entrez?
itool=abstractplus&db=pubmed&cmd=Retrieve&dopt=abstractplus&list_uids=
10097058
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