Mahabharata 12.210.18

विधिज्ञेभ्यो द्विजातिभ्यो ग्राह्यमन्नं विशिष्यतेआहारनियमेनास्य पाप्मा नश्यति राजसः

vidhijñebhyo dvijātibhyo grāhyamannaṃ viśiṣyateāhāraniyamenāsya pāpmā naśyati rājasaḥ

Our plain-language meaning of this verse is waiting for scholar review.