Charak Samhita
तत्तुयेसुकुमाराःस्युःस्निग्धभूयिष्ठभोजनाः। तेषांभोज्येचभक्ष्येचलेह्येपेयेचशस्यते ॥२०४॥
Rainwater is recommended for use as a supplement or an ingredient for making food, electuaries (a lickable substance mixed with honey or another sweet substance), and drinks for those who are delicate and habituated to eating very unctuous food.
english translation
tattuyesukumArAHsyuHsnigdhabhUyiSThabhojanAH। teSAMbhojyecabhakSyecalehyepeyecazasyate ॥204॥
hk transliteration by Sanscript