Can aged soy sauce be consumed raw?

Generally, consuming dark soy sauce raw may result in a bitter and slightly astringent taste, and it is extremely salty—making its raw consumption unpalatable and thus not recommended. Dark soy sauce is a condiment made from wheat and soybeans, with caramel added for color and flavor. It is primarily used to impart a rich brown hue and enhance the umami flavor of meat-based dishes. It is best suited for cooking methods such as red-cooking (hongshao), boiling, stir-frying, and stewing. Using it raw—as in cold salads or dipping sauces—may lead to excessive saltiness; overconsumption could potentially cause adverse reactions.

However, when cooking with dark soy sauce, avoid adding too much, as excessive amounts may render the dish overly salty, compromise its overall flavor, and increase urinary frequency. Individuals with gastrointestinal disorders, hypertension, coronary heart disease, as well as infants and young children, should limit their intake of dark soy sauce, as excessive consumption may trigger gastrointestinal discomfort and elevate serum potassium levels, thereby exacerbating their underlying conditions.