الفهرس 
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Abstract
Sulfur is a major inorganic element that is essential for the entire
biological kingdoms because of its incorporation into amino acids,
proteins, enzymes, vitamins lipids, carbohydrates and other
biomolecules (Madigan et al., 2000). Sulfur is present in a human
body tissue as part of the amino acids, methionine, cysteine and taurine.
Besides that, the occurrence of sulfur in the living biological organisms
can be found as coenzyme A, glutathione, chondroitin sulfate, heparin,
fibrinogen, estrogen, ferredoxin and many more (Komarnisky et al.,
2003).