Other Bacterial Reactions Sulphate Metabolism

The human colon contains Gram-negative anaerobes capable of reducing sulphates. The process is referred to as dissimilatory sulphate reduction, and results in the conversion of sulphates and sulphites to sulphides (49,50). The major bacterial genus that performs this reaction in the human colon is Desulfovibrio. Hydrogen gas in the colon is used as an electron donor in the formation of sulphides (50). The source of sulphates for bacterial reduction can come from food preservatives and drugs, and the levels of sulphides are highest in the sigmoid colon and rectum (51). Less than half of the human population appears to actively reduce sulphate in the large bowel (52).

Pregnancy And Childbirth

Pregnancy And Childbirth

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