US Patent Issued on Feb. 3 for "Catalyzed sulfur dioxide release system for controlled fumigation of postharvest crops and related methods" (California Inventors)

ALEXANDRIA, Va., Feb. 3 -- United States Patent no. 12,538,928, issued on Feb. 3.

"Catalyzed sulfur dioxide release system for controlled fumigation of postharvest crops and related methods" was invented by Carlos Crisosto (Pismo Beach, Calif.), Gayle Crisosto (Pismo Beach, Calif.) and Curtis Granger (Truckee, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A moisture-activated sulfur dioxide (SO2) release system is disclosed for postharvest preservation of fruits, vegetables, and other fresh plant products. The system comprises a composition including sodium metabisulfite (SMBS) and citric acid that, upon exposure to humidity, rapidly generates SO2 gas to suppress fungal growth. Various deployment sys...