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Chromium
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Written by Dr Sebastian Zeki
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Chromium
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Chromium
Cr2+
Cr4+
Zinc
Iron
Fibre
Antacids
Magnesium,
Calcium
Aluminum salts
NSAID
Gastric acid.
+
95%
excreted in
faeces
Albumin or
transferrin
C
h
r
o
m
i
u
m
Vitamin C
Source:
Grains.
Cereals.
Fruits.
Vegetables.
Processed meats.
Toxicity
Industrial exposure to Cr (V and VI) can result in
toxicity manifested as contact
dermatitis,
skin
ulcers, and bronchogenic cancers (steel work
-
ers).
Tannery workers handling wet hides may
develop Cr toxicity with elevated serum and
urinary Cr levels.
Deficiency
An association has been suggested
between low Cr levels and impaired
glucose tolerance and unfavorable lipid
profiles.
Deficiency can cause increased glucose
requirements in diabetics esp on paren
-
teral nutrition.
Mechanism of
absorption
At risk:
Short bowel syndrome
Burns
Traumatic injuries
Those on parenteral nutrition
without appropriate trace mineral
supplementation.
The adequate intake of Cr for
adults is 20 to 35 mcg per day
Written by Dr Sebastian Zeki
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