DL-Pantolactone can be hydrolyzed to Pantoic acid by the lactonohydrolase of Fusarium oxysporum. DL-Pantolactone also can be used in the preparation of 3,5-dinitrobenzoyl-DL-pantolactone[1][2].
[1]. Goodhue CT, et, al. The bacterial degradation of pantothenic acid. 3. Enzymatic formation of aldopantoic acid. Biochemistry. 1966 Feb;5(2):403-8. [2]. Shimizu S, et, al. Optical resolution of pantolactone by a novel fungal enzyme, lactonohydrolase. Ann N Y Acad Sci. 1996 Oct 12;799:650-8.