Charak Samhita
आम्रातकंदन्तशठमम्लंसकरमर्दकम्। रक्तपित्तकरंविद्यादैरावतकमेवच ॥१६१॥
The Indian hog-plum/amrataka (Spondias pinnata (Linn.f) Kurz), lemon/Dantashatha (Citrus limon (Linn.) Burm.f.), bengal currant/karamardaka (Carissa spinarum Linn.), and common orange/airavata (Citrus sinensis (Linn.) Osbeck) are sour and cause raktapitta.
english translation
AmrAtakaMdantazaThamamlaMsakaramardakam। raktapittakaraMvidyAdairAvatakamevaca ॥161॥
hk transliteration by Sanscript