The study of the food and drug administration, a sample survey of frying oil from the shop stall และรถเข็น including frying oil dough sticks oil fried tofu. Oil fried chicken fried oil and fried oil fried meatballs / banana / it / taro, the 187.Food oil from fast food restaurants were 64 samples. Oil fried noodle factory and the instant noodle industry of 3 samples. ที่ทอด repeated oil deterioration. And may harm the health of 13
.The oil we use in everyday life is the 2 type is
1. Oil from animal fats such as lard oil and water cow, etc., which saturated fatty acid. And high cholesterol
2. Vegetable oil, divided into 2 species:
2.1 vegetable oil type is solved when the refrigerator or be cold oil of this type are equipped with. Saturated fatty acid is mixed in large quantities, including palm olein oil coconut oil, which disadvantage.Risk of coronary artery disease, and heart, but it has its advantages. This type of oil to heat, moisture and oxygen. Not rancid easily. Is suitable to be used in fried foods that require high heat for a long time, such as whole fish, chicken, pork.2.2 vegetable oil type is not solved in a cold. This type consists of vegetable oil Unsaturated fat in high doses, including soybean oil, sunflower oil, safflower oil, corn oil, cottonseed oil.The body can be used to create cells Is suitable for children's growth. It also helps reduce blood cholesterol. People with high blood cholesterol problems should use oil of this kind. But the disadvantage of this type of oil.Which make oil polar turned brown, smell, which polar substances, gastric cancer, liver failure. The fried foods for long, it is suitable to use with food or fried meat thin types such as pork, ham.The deterioration of the oil from the fryer again
.May see through his eyes, frying oil deterioration will have a thick, viscous unusual black born many bubble, a burning smell. Smoke while frying. Used cooking oil quality will deteriorate. When it is high heat and moisture.Born of polar (Polar compounds) various ingredients and salt, the more accelerated the cause of increased polar cooking oil. A substance polar between 3 - 8%
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