AYURVEDIYAPARIBHAShA 7.26

ĀYURVEDĪYAPARIBHĀṢĀ 7.26

yūṣāṃśca rasakām̐ścaiva kalpenānena sādhayet
arddhaśiṣṭo bhaved yūṣaḥ kvacit pādāvaśeṣitaḥ