The present invention relates to a nutritional formulation comprising a lipid source, a carbohydrate source, a protein equivalent source, and an emulsifying agent comprising OSA-modified tapioca starch which contains less than about 0.05% non-protein nitrogen.本發明係關於一種營養調合物,其包含脂質來源、醣來源、蛋白質等效物來源;且也關於一種乳化劑,其包含有含少於0.05%非蛋白質氮的經OSA-改質木薯澱粉(tapioca starch)。