Sushruta Samhita
तस्मिन्निपतिते व्याधौ कृष्णता दग्धलक्षणम् । तत्राम्लवर्गः शमनः सर्पिर्मधुकसंयुतः ॥१९॥
When the disease has subsided, the black color is a sign of burning. In that case, the group of sour substances along with ghee and liquorice is pacifying.
english translation
tasminnipatite vyAdhau kRSNatA dagdhalakSaNam । tatrAmlavargaH zamanaH sarpirmadhukasaMyutaH ॥19॥
hk transliteration by Sanscript