On April 22, 2025 , DSM-Firmenich entered into strategic collaborations with biotechnology firms to develop advanced delivery systems such as liposomal and nano-formulated glutathione, improving stability and bioavailability for dietary supplements and pharmaceutical applications
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4.1 Chronic bronchitis Chronic bronchitis is pathologically characterized by hyperplasia of bronchial mucous glands, degeneration and necrosis of airway epithelial cells, squamous metaplasia, and concurrent infiltration of inflammatory cells (e.g., neutrophils, macrophages, and lymphocytes) in the airway mucosa and submucosa
[DOI] [PubMed] [Google Scholar] 95.Annibalini G., Contarelli S., De Santi M., Saltarelli R., Di Patria L., Guescini M., Villarini A., Brandi G., Stocchi V., Barbieri E
Normal levels are in the range of 7-40 U/L