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食用油是人们在烹调食品时使用的油脂,有植物油和动物油之分,是人体所需脂肪的重要来源,同时也是必需脂肪酸亚油酸和α-亚麻酸的主要来源。此外,食用油还是辅助人体吸收脂溶性维生素(维生素A、维生素D、维生素E和维生素K)不可或缺的物质。因此,食用油在日常饮食中必不可少。但是,食用油过量的高脂肪膳食是高脂血症的独立危险因素,而高脂血症可导致脂肪肝、动脉粥样硬化、冠心病、脑卒中、肾性高血压、胰腺炎、胆囊炎等多种疾病。此外,高脂肪膳食是引发肥胖的主要原因,还是引起糖尿病、高血压的危险因素。
Edible oil, which is used by people when cooking food, is a major source of body fat and a major source of the essential fatty acids linoleic acid and α-linolenic acid, both vegetable oils and animal oils. In addition, edible oils are also indispensable to help the body absorb fat-soluble vitamins (vitamin A, vitamin D, vitamin E and vitamin K). Therefore, cooking oil is essential in daily diet. However, an excessively high dietary fat diet is an independent risk factor for hyperlipidemia, which can lead to fatty liver, atherosclerosis, coronary heart disease, stroke, renal hypertension, pancreatitis, cholecystitis And many other diseases. In addition, high-fat diet is the main cause of obesity, or cause diabetes, hypertension risk factors.