The Compendium of Bheḷa 8.5.32

8.5.32

gurūṇicānnapānāni vastikarmaṇi varjayet | śāliṣaṣṭikamudgāṃś ca bhojanārthaṃ pradāpayet ||

and heavy foods and drinks should be avoided during enema therapy; / and one should provide śāli rice, ṣaṣṭika rice, and mung beans for food.