וַיְהִ֣י הַמֶּלְצַ֗ר נֹשֵׂא֙ אֶת־פַּתְבָּגָ֔ם וְיֵ֖ין מִשְׁתֵּיהֶ֑ם וְנֹתֵ֥ן לָהֶ֖ם זֵרְעֹנִֽים׃
So the steward took away their food, and the wine that they should drink, and gave them pulse.
Read halakhic rulings (Jewish law) on Daniel 1:16: and classical halakhic sources.