血浆中的脂类总称血脂,当血浆脂质总量或其中部分超过正常高限时称高脂血症。高脂血症是导致动脉粥样硬化性心脑血管疾病的主要病理基础。因此,防治高脂血症具有重要的医疗和保健意义。近年来,世界各地均有调查指出,血脂与血清胆固醇的浓度虽与先天性脂类代谢有一定关系,但与膳食结构的关系更为密切。所以,不仅高脂血症及冠心病人应改善膳食结构,正常人也应尽早使膳食安排科学化,以防止高脂血症的发生。具体饮食原则主要 Lipids in plasma, collectively referred to as blood lipids, are hyperlipidemia when the total amount of plasma lipids or some of them exceeds the upper limit of normal. Hyperlipidemia is the major pathological basis leading to atherosclerotic cardiovascular and cerebrovascular diseases. Therefore, the prevention and treatment of hyperlipidemia has important medical and health significance. In recent years, surveys all over the world have pointed out that although the concentration of serum lipids and serum cholesterol and congenital lipid metabolism have a certain relationship, but with the diet more closely linked to the structure. Therefore, not only hyperlipidemia and coronary heart disease should improve the diet, the normal diet should also be arranged as soon as possible scientific to prevent the occurrence of hyperlipidemia. Specific diet principle