5、按发酵后的加工工艺分类 ◆浓缩酸乳( concentrated或 condensed yoghurt) ◆冷冻酸乳( (frozen yoghurt ◆充气酸乳( carbonated yoghurt ◆酸乳粉 dried yoghurt)5、按发酵后的加工工艺分类  浓缩酸乳 ( concentrated 或 condensed yoghur)  冷冻酸乳 (frozen yoghurt)  充气酸乳 (carbonated yoghurt)  酸乳粉 (dried yoghurt)