Ashtangasamgraha 21.35

21.35

pītañca pittamacchañca śleṣmācchaḥ piṇḍito 'thavā |

viśadaśca saphenaśca dhavalo madhuro rase ||

khadirāriṣṭaguḍūcīsuratarudārvīśca kalpayet pṛthagevam ||

[Pure] pitta is yellow and clear; [pure] śleṣman is clear or consolidated, / non-slimy, frothy, white, and sweet in taste.
One should prepare khadirāriṣṭa, guḍūcī, devadāru, and dāruharidrā separately in this way.