Chondroitin-based preparations; pharmaceutical products for the treatment of psoriasis, of stomach acid disorders and diseases, of gastro-oesophageal reflux disease, of reflux esophagitis, of urinary tract disorders and diseases, of rheumatisms, of joint disorders and diseases, of disorders caused by arthrosis or osteoarthritis, of osteoarticular inflammation and pain, and for improving joint function; botanical extracts being plant extracts, and fungal extracts for pharmaceutical purposes; f...