According to the Baidu Health Medical Code, lactone tofu is made of gluconolactone as coagulant, and its production process is simple and fast, and the tofu made is tender, shiny and creamy. Lactone tofu is harmless, because gluconolactone is a safe and non-toxic food additive, which belongs to GRAS level (generally considered safe), and the daily allowable intake is not required. You can safely eat lactone tofu, which can not only provide rich soybean protein, but also increase your appetite and taste.