The Compendium of Caraka 1.1.139

1.1.139

mūtraṃ kṣīrāṇi vṛkṣāśca ṣaḍ ye kṣīratvagāśrayāḥ /
karmāṇi caiṣāṃ sarveṣāṃ yogāyogaguṇāguṇāḥ //

urine, milks, and the six trees relying on latex and bark;
and the actions of all these, proper and improper application, qualities and defects;