Aṣṭāṅgahṛdayasaṃhitā

Sarvāṅgasundarā

rasādīnāmiti nirdhāraṇe ṣaṣṭhī| rasavīryādīnāṃ madhye dravyameva pradhānam| kutaḥ ? te-rasādayo, hi-yasmāt, tadāśrayāḥ-tadeva dravyamāśrayo yeṣāṃ ta evam| ata eva kevalā rasādayo nopalabhyante| tasmāt dravyaṃ pradhānam|