CFR›Title 7›Subtitle B›Chapter I›Part 51›Subpart W›Subject Group Definitions›7 CFR 51.2121 Citation7 CFR 51.2121CorpusDaily eCFRDisplayed edition2026-06-29Last updated2026-06-29 § 51.2121 Rancidity.Rancidity means that the kernel is noticeably rancid to the taste. Previous 51.2120 § 51.2120 Decay. Next 51.2122 § 51.2122 Insect injury.