Cakradatta (Cikitsasangraha) 4.58

4.58

dhānyarāśau trirātrasthaṃ śuktaṃ cukraṃ taducyate .
lavaṇaṃ guḍamadhvāranālamastu kramādiha .. 58 ..

kept in a clean vessel within a heap of grain for three nights, is called śukta or cukra. / Salt, jaggery, honey, sour gruel, and curd whey in succession here: // 58