Mahabharata 12.90.1

भीष्म उवाच · bhīṣma uvāca

वनस्पतीन्भक्ष्यफलान्न छिन्द्युर्विषये तवब्राह्मणानां मूलफलं धर्म्यमाहुर्मनीषिणः

vanaspatīnbhakṣyaphalānna chindyurviṣaye tavabrāhmaṇānāṃ mūlaphalaṃ dharmyamāhurmanīṣiṇaḥ

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