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[The amount of sulphites in wild mushrooms from Iaşi and Suceava districts].

As a part of a larger study regarding the contamination of mushrooms from Moldavia by chemical pollutants, we aimed at proposing sulphites determination in samples harvested from different zones from Iaşi and Suceava districts, from April to September 2005. We analysed elements (gills, cap, stem) of 68 mushrooms (48 different species). The sulphites were extracted with water, and were analysed spectrophotometrically in the aqueous extract by West-Gaeke method. Results were expressed in microg SO2/g dried product at 105 degrees C. Higher levels of sulphites were found in Clitopilus prunulus (865.36-stem) and Cantharelus cibarius (444.49-cap) for very good edible mushrooms; in Chalciporus piperatus (1016.13-stem) and Pseudohydnum gelatinosum (737.17-all mushroom) for mediocre edible mushrooms; in Panaeolus sphinctrinus (490.11-stem) for toxic ones. In 34 samples (50.74%), the highest level of sulphites was noted mostly in the mushroom stem than in its cap. The mushrooms capacity of sulphite accumulation is very varied, and the results do not allow a correlation between the amount of sulphites found in stem and the one found in cap or gills.