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With the advancement in the food industry, chefs and home cooks of this date have plenty of options when it comes to oils for cooking. We are using these varieties of cooking oils for baking, drizzling or sautéing with.
Cooking oil is an animal, plant or synthetic fat. These processed fats are used for baking, frying and other cooking rituals. There are also used for preparing and flavouring certain recipes that do not involve heating (salad dressing, bread drippings). Often they are also called as edible oils. Cooking oils are normally in a liquid state at room temperature. However, some types remain soft soil because they contain saturated fats. Some to name are palm oil, coconut oil and palm kernel oils. There are many frying oils that come from plant sources. Some to name are soybean, palm, olive, and rapeseed, peanut and walnut oils.
Cooking oils are composed of different fractions of fatty acids. These different fractions have varying impacts on the human body. It also changes the chemical and physical properties of the oil. Therefore at times, best oil for frying cannot be the healthiest cooking oil for a heart patient. And for such medical reasons, it is important to choose the right type of cooking oil. For frying food, generally, highly mono-saturated or saturated fat oils are used. While oils that are high in polyunsaturated fats are less desirable. In the meantime, high folic acid oils include pistachio, pecan, olive, almond, sunflower and safflower oils. Here is what else you should know about your edible oil before you head to buy one.
While a small amount of saturated fat is pretty much common in our diets, consumption of larger amount can result in serious health issues. In most cases, a higher level of saturated fats in our diet increase risk of obesity, strokes, type-1 and type-2 diabetes and cardiovascular disease. Studies also claim that oils that are higher in saturated fats are pal, coconut or palm kernel oils. Whereas oils that contain a lower level of saturated fats and higher levels of unsaturated fats are healthier. Oils like canola, cottonseed, peanut and olive oil fall in this category. In the meantime, health experts also demand replacing saturated fats with polyunsaturated and mono-saturated fats for their health benefits.
Unlike many other dietary fats, Trans fats are not an essential item to have. Also, they have no positive impact on the health and overall wellbeing of the user. According to studies, the consumption of Tran’s fats increased the risk of coronary heart disease. The Trans fats increase the LDL (bad) cholesterol level and lower the level of HDL (good) cholesterols in the body. Moreover, Tran’s fats from partially hydrogenated oils are much more dangerous than natural cooking oils. As these fats result in causing serious health issues, we can rarely find them in any bestselling cooking oil today.
Heating any oil changes its characteristics. The oil that is healthy at room temperature can be unhealthy when you heat it over a certain temperature. So when you head to buy oil for cooking, check the heat tolerance of oil. As a healthy habit, you should use oil according to the use or temperature you need to cook in it. For instance, palm oil can stay healthy in higher temperature and is thus ideal for deep frying. However, this cannot be the case with high-polyunsaturated vegetable oils. Other oils that you can use for frying include avocado, peanut mustard and other such items.
All types of oils degrade responding to light, oxygen and heat. To delay this onset of rancidity, a layer of inert gas (normally nitrogen) is applied to the vapour space in the storage container. This gas is applied right after the production of oil. With some exceptions, all oils show great stability in dry, cool spaces. But many types get thicker but can return to liquid form as soon as they are left at room temperature. Moreover, some types of refined oils can stay for up to a year and those with polyunsaturated fats can stay for up to six months. Today most of the cooking oils come with the bet before the date so that you can avoid using expired items.