Flavr Savr Tomato was developed by using

Flavr Savr Tomato was the first genetically modified food product approved for human consumption. It was developed using antisense RNA technology to delay ripening by suppressing the production of polygalacturonase, an enzyme that softens fruit. This technology involves inserting a reverse copy of the gene to block its own expression, unlike gene therapy or recombinant DNA techniques which add or modify genes.