Glenn R Schafer

Title: Glenn R. Schafer: Innovator in Food Preservation

Introduction

Glenn R. Schafer is a notable inventor based in Framingham, MA, who has made significant contributions to the field of food preservation. With a total of 2 patents, his work focuses on extending the shelf life of perishable products, particularly cut vegetables.

Latest Patents

Schafer's latest patents include a method for extending the storage life of cut lettuce. This innovative approach involves treating the lettuce with an aqueous solution of sodium meta bisulfite, citric acid, ascorbic acid, and potassium sorbate. After treatment, the excess solution is removed, and the cut lettuce is sealed in plastic bags made of vinylidine chloride-vinyl acetate copolymer film, which minimizes the transmission of oxygen, carbon dioxide, and water vapor. The tightly closed bags are then stored at approximately 1.7 degrees Celsius to maintain freshness for at least four weeks. Another patent focuses on producing compacted, dehydrated vegetable products of increased density. This method includes predrying vegetable morsels, compressing them at controlled temperatures and pressures, and redrying to achieve a low moisture content.

Career Highlights

Glenn R. Schafer is associated with the U.S. Government as represented by the Secretary of the Army. His work in this capacity has allowed him to develop innovative solutions that address food preservation challenges faced by military and civilian sectors alike.

Collaborations

Schafer has collaborated with notable colleagues, including Abdul R. Rahman and Wayne M. Swantak. Their combined expertise has contributed to the successful development of his patented methods.

Conclusion

Glenn R. Schafer's contributions to food preservation through his innovative patents demonstrate his commitment to enhancing the longevity of perishable products. His work not only benefits the military but also has potential applications in the broader food industry.