means those parts of a slaughtered animal which are ordinarily intended for human and animal consumption and which have not undergone any processing other than deboning, cutting up, mincing, cooling or freezing, and includes meat which-
| a) | has been treated with a substance that does not substantially alter the original characteristics thereof; and |
| b) | assumes its original characteristics after a substance referred to in paragraph (a) has physically been removed therefrom. |