रसा रसैर्निमातव्या न त्वेव लवणं रसैः । कृतान्नं च कृतान्नेन तिला धान्येन तत्समाः ॥ ९४ ॥
sanskrit
Condiments may be bartered for condiments, but by no means salt for (other) condiments; cooked food (may be exchanged) for (other kinds of) cooked food, and sesamum seeds for grain in equal quantities
english translation