https://foxoyo.com/mcq/113026/the-red-color-of-meat-called-its-bloom-may-be-changed-to-shades-of-green-brown-or-grey-as-a-result-of-production-of-oxidizing-compounds-by-bacteria-which-of-the-following-species-are-reported-to-cause-the-greening-of-sausage