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Title: Thermal mud maturation: organic matter and biological activity
Authors: Centini, Marisanna 
M. R., Tredici
N., Biondi
A., Buonocore
R., Maffei Facino
C., Anselmi
Keywords: Antioxidant activity; chemical analysis; maturation process; Saturnia spa; thermal mud
Issue Date: 2015
Project: None 
Many of the therapeutic and cosmetic treatments offered in spas are centred on mud therapy, to moisturize the skin and prevent skin ageing and rheumatic diseases. Thermal mud is a complex matrix composed of organic and inorganic elements which contribute to its functions. It is a natural product derived from the long mixing of clay and thermal water. During its maturation, organic substances are provided by the microalgae, which develop characteristic of the composition of thermal water. The aim of this study was to identify methods for introducing objective parameters as a basis for characterizing thermal mud and assessing its efficacy. Samples of thermal mud were collected at the Saturnia spa, where there are several sulphureous pools. The maturation of the mud was evaluated by organic component determination using extractive methods and chromatographic analysis (HPLC, GC-MS, SPME). We also studied the radical scavenging activity of mud samples at different stages of maturation, in a homogeneous phase, using several tests (DPPH, ORAC, ABTS).
ISSN: 1468-2494
DOI: 10.1111/ics.12204
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