Colonization by diatoms and antirheumatic activity of thermal mud

We have identified diatoms among other thermophilic microorganisms as the main agents for the colonization of thermal mud resulting in a ‘maturation’ which renders the mud suitable to be used for mud‐pack treatment of osteoarthrosis patients. The main effects of the diatom growth are the progressive enrichment of mud extracts in chlorophyll a parallel to the building up of a sulfoglycolipid endowed with an anti‐inflammatory action. The sulfoglycolipid was also produced by diatoms isolated from the mud and cultivated in vitro. Copyright © 1999 John Wiley & Sons, Ltd.

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