 IRVING, Texas, May 20, 2021 PRNewswire -- Darling Ingredients Inc. NYSE: DAR today announced that its Rousselot brand, the global leader of collagen-based solutions, expands its range of purified, pharmaceutical grade, modified gelatins with the launch of X-Pure GelDAT Gelatin Desaminotyrosine. Created in response to customers demand to overcome the barriers encountered in clinical translation, this is the first, readily available biomaterial of its kind. 