Charak Samhita
क्षीरेणामलकैः सर्पिश्चतुरङ्गुलवत् पचेत्। सुरां वा कारयेत् क्षीरे घृतं वा पूर्ववत् पचेत्॥२०॥
Milky latex may also be used to prepare ghee as told in Chaturangula Kalpa Adhyaya. Preparations of Sudha :Sudha ghrita; Procedure :Snuhi ksheera boiled with milk. The cream is then used to make ghee.; Anupana :With juice of amalaki; Preparations of Sudha :Sudha sura; Procedure :Powders of Shunthi, pippali, maricha, haritaki, amalaki, danti chitraka and trivrita are mixed with latex of snuhi. From this sura is prepared;
english translation
kSIreNAmalakaiH sarpizcaturaGgulavat pacet। surAM vA kArayet kSIre ghRtaM vA pUrvavat pacet॥20॥
hk transliteration by Sanscript