Parashas Behar · Aliyah 1 · Passuk 25:06
Chabad.org — English translation + Rashi
Torah Temimah cites Sukkah 40a–b.
English: “For food.” For food, and not for soaking, and not for laundering, and not for a compress, and not for sprinkling, and not to make an emetic from it.
Classical derasha (Bavli Sukkah).
Permitted use of Shemittah produce is ordinary eating; excluded are soaking, laundering, compresses, sprinkling, and making an emetic.