Manusmriti
शुष्काणि भुक्त्वा मांसानि भौमानि कवकानि च । अज्ञातं चैव सूनास्थमेतदेव व्रतं चरेत् ॥ १५५ ॥
He who has eaten dried meat, mushrooms growing on the ground, or (meat, the nature of) which is unknown, (or) such as had been kept in a slaughter-house, shall perform the same penance.
english translation
zuSkANi bhuktvA mAMsAni bhaumAni kavakAni ca । ajJAtaM caiva sUnAsthametadeva vrataM caret ॥ 155 ॥
hk transliteration by Sanscript