Charak Samhita
पिप्पल्यश्चित्रकश्चेति त्रयस्ते श्लेष्मरोगिषु । सक्षारक्षौद्रगोमूत्रा नातिस्नेहान्विता हिताः॥२४॥
3. Pippali (Piper longum) and chitraka (Plumbago zeylanica Linn.) These above three groups of drugs are to be used along with kshara (alkali), honey, cow’s urine as basti in diseases caused by kapha.॥
english translation
pippalyazcitrakazceti trayaste zleSmarogiSu । sakSArakSaudragomUtrA nAtisnehAnvitA hitAH॥24॥
hk transliteration by Sanscript