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饮食养生:低密度胆固醇高的原因

在血浆中起转运内源性胆固醇及胆固醇酯的作用。

It can transport endogenous cholesterol and cholesteryl ester in plasma.

其浓度升高与动脉粥样硬化的发病率增加有关。

The increase of serum concentration is associated with an increased incidence rate of atherosclerosis.

低密度脂蛋白(ldl)是由极低密度脂蛋白(vldl)转变而来。

Low density lipoprotein (LDL) is derived from very low density lipoprotein (VLDL).

主要功能是把胆固醇运输到全身各处细胞,运输到肝脏合成胆酸。

Its main function is to transport cholesterol to cells all over the body and to the liver to synthesize cholic acid.

每种脂蛋白都携带有一定的胆固醇,携带胆固醇最多的脂蛋白是ldl。

Each kind of lipoprotein carries a certain amount of cholesterol, and the most cholesterol carrying lipoprotein is LDL.

余下的三分之一是通过一条“清扫者”通路而被清除的,在这一非受体通路中,巨噬细胞与ldl结合,吸收ldl中的胆固醇,这样胆固醇就留在细胞内,变成“泡沫”细胞。

The remaining 1/3 is cleared through a "purge" pathway. In this non receptor pathway, macrophages bind to LDL and absorb cholesterol in LDL, so that cholesterol remains in the cell and becomes "foam" cells.

因此,ldl能够进人动脉壁细胞,并带人胆固醇。

Therefore, LDL can enter human arterial wall cells and carry human cholesterol.

很多种因素都能够引起低密度脂蛋白偏高的升高,主要可分为非病理性因素和病理性因素两类:非病理性因素:1、饮食不均衡,摄入的脂肪过高。

Many factors can cause the high level of LDL, which can be divided into two categories: non pathological factors and pathological factors: 1. Unbalanced diet and high intake of fat.

2、吸烟饮酒引起的偏高。

2. Smoking and drinking caused high.

病理性因素:1、肝功能异常、肝炎患者2、动脉粥样硬化,高血压、心血管疾病。

Pathological factors: 1. Abnormal liver function, hepatitis; 2. Atherosclerosis, hypertension, cardiovascular disease.

低密度脂蛋白可以携带胆固醇进入人体动脉壁细胞,低密度脂蛋白高于正常值时,过量的胆固醇在血管壁堆积,形成动脉粥样硬化,甚至是冠心病的发生。

Low density lipoprotein (LDL) can carry cholesterol into human arterial wall cells. When LDL is higher than normal, excess cholesterol will accumulate in the vascular wall, forming atherosclerosis and even coronary heart disease.

2、多吃大豆制品豆腐和膨化植物蛋白等大豆制品中,含有一种天然的植物化学物质,叫作异黄酮。

2. Eat more soybean products, bean curd and expanded vegetable protein and other soybean products contain a natural phytochemical substance, called isoflavones.

研究显示,这种化学物质有助于把危害动脉的ldl-c从人体中清除出去。

Studies have shown that the chemical helps to remove LDL-C from the body, which is harmful to the arteries.

3、水果蔬菜一天至少占饮食50%,膳食纤维有助降低“坏胆固醇”含量,还能帮助降低血压,维持健康体重。

3. Fruits and vegetables make up at least 50% of the diet a day, and dietary fiber helps to lower "bad cholesterol" levels, lower blood pressure and maintain a healthy weight.

低密度胆固醇高的危害1、形成动脉粥样硬化性斑块如果血液中ldl-c浓度升高,它将沉积于心脑等部位血管的动脉壁内,逐渐形成动脉粥样硬化性斑块,阻塞相应的血管,最后可以引起冠心病、脑卒中和外周动脉病等致死致残的严重性疾病。

If the concentration of LDL-C in the blood increases, it will deposit in the artery wall of the blood vessels in the heart and brain, gradually forming atherosclerotic plaque, blocking the corresponding vessels, and finally can cause coronary heart disease, stroke and peripheral arterial disease and other fatal and disabled serious diseases.

2、引发多种疾病引起冠心病脑卒中和外周动脉病等致死致残的严重性疾病。

2. It can cause a variety of diseases, such as coronary heart disease, stroke and peripheral arterial disease.

ldl-c水平如果超出正常范围时就会使心脏的危险性增加。

If the LDL-C level exceeds the normal range, it will increase the risk of heart.

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