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1、牛肉比鸡肉更有营养吗? 这类食物的营养价值主要在于其蛋白质的含量。从这个观点看,瘦畜肉与家禽肉的营养价值是相同的。 2、一种动物某一部位的肉与另一部位的肉营养不同吗? 是的。一块肉含有的肌纤维越多,营养价值就越高,反之,结缔组织越多,这块肉的营养价值越差。 3、蛋类能提供一切营养吗? 不能。尽管蛋类含有无与伦比的营养素,含有许多对健康有用的物质,但它含糖类甚少,不含维生素C。 4、鱼类的脂肪有益于健康吗?
1, beef is more nutritious than chicken? The nutritional value of such foods mainly lies in its protein content. From this point of view, lean meat and poultry meat have the same nutritional value. Does the meat in one part of an animal differ from the meat in another part? A piece of meat contains more muscle fibers, the higher nutritional value, on the contrary, the more connective tissue, the poorer the nutritional value of meat. 3, eggs can provide all the nutrition? Although eggs contain unparalleled nutrients, contains many health-useful substances, but it contains very little sugar, vitamin C-free. 4, fish fat is good for health?