Such a diet includes unshelled rice and unsifted flour and urges simplicity and moderation in the preparation of vegetables and fish.
而所謂粗食，指少吃添加人工合成品（如防腐劑、化學調味料、色素… … 等）的食物，多吃未經精細加工的食物，如糙米、全麥類製品；同時也應包括在「簡單、清淡」原則下烹調的蔬菜魚肉。