FUJIWARA no Yamakage is supposed to have been simply designated as an expert well-versed in cooking and manners, since he had nothing to do with the Emperor's dietary office of the Imperial Household Bureau which was in charge of the food served at Court.
朝廷の料理は宮内省に属す内膳司が司っていたが、山蔭は内膳職とは関係がなく、単に料理法や作法に通じた識者として指名されたものか。