Disclosed herein are enzyme powders comprising a spray-dried formulation of at least one CE-7 esterase, at least one oligosaccharide excipient, and optionally at least one surfactant. Also disclosed herein is a process for producing peroxycarboxylic acids from carboxylic acid esters using the aforementioned enzyme powders. Further, disinfectant and laundry care formulations comprising the peracids produced by the processes described herein are provided.