Using running water or hot water to wash rice will cause nutrient loss
Rice contains vitamins and inorganic salts, both of which are highly soluble in water. If the rice is washed for too long and rubbed vigorously, all the nutrients on the surface of the rice will be lost.
To preserve the nutrients in rice, the correct method is: do not use running water or hot water to wash the rice, do not rub or stir it forcefully, use as little water as possible when washing, and, after washing, it is best to cook the rice immediately. If the rice is soaked for a long time, riboflavin, protein, and fat will also be lost.