Charak Samhita
पूर्वं मूलफलज्ञानहेतोरुक्तं यदौषधम्। पञ्चकर्माश्रयज्ञानहेतोस्तत् कीर्तितं पुनः ॥३५॥
Though in the previous chapter description about fruits, roots and other medicinal plants have been mentioned, still from the view of bio-purificatory therapies description of drugs are included.
english translation
pUrvaM mUlaphalajJAnahetoruktaM yadauSadham। paJcakarmAzrayajJAnahetostat kIrtitaM punaH ॥35॥
hk transliteration by Sanscript