The Compendium of Caraka 7.7.37

7.7.37

trivṛcchāṇā matāstisrastisraśca triphalātvacaḥ/
viḍaṅgapippalīkṣāraśāṇāstisraśca cūrṇitāḥ//

Three śāṇas of trivṛt are prescribed, and three [śāṇas] of the rinds of triphalā, / and viḍaṅga, pippalī, and kṣāra, three śāṇas powdered together;