Brahmapurana 220.203

Brahmapurāṇa 220.203

śuddhiṃ neyaṃ śarīraṃ tu viṣṇubhaktair viśeṣataḥ
niṣiddhaṃ varjayed dravyaṃ yathoktaṃ ca dvijottamāḥ //