Peanut is an oil plant. That is, it produces seeds from which it is possible to extract the homonymous oil. In other words, the treatment of these seeds allows an extraction yield that varies between 40% and 50%. Moreover, it is one of the highest yields among oil plants. Then the benefits that the fat it contains brings to health are highly appreciated. That is, it is rich in vitamin E therefore it has a strong antioxidant power. It then helps in controlling cholesterol and triglyceride levels.
METHOD OF EXTRACTION OF OIL
There are various ways of extracting peanut oil. In particular, there are two most used. First of all you can use the pressure technique where the seeds are compressed to extract the oil. Secondly, chemical solvents are also used for extraction. Finally, rectification processes are carried out to give the oil its typical commercial characteristics of taste and smell. Then the oil that will result from one of the two treatments will have a yellow color that will be more or less clear or opaque depending on the system used and any filtering immediately.
USE FOR FOOD PURPOSES
It is a very interesting oil from a food point of view also because it is rich in vitamin E. That is both for its organoleptic properties and for its good taste. Especially its good roasted peanut flavor makes it suitable for the preparation of many culinary products. In other words, it can be used to season vegetables or as an ingredient in many dishes. Then it is essential in the industrial processes of margarine and mayonnaise production. Finally, it must be remembered that this oil has a low omega3 content. But this can be remedied by incorporating it into a varied diet. That is, in which there are also fish or hemp, flax or safflower oil. That is, oils rich in omega3 which can, in this way, compensate for the lack of peanut oil.
NEGATIVE ASPECTS OF THE HYDROGENATION PROCESS
The only negative aspect of this oil lies in an industrial process that can affect it. That is, the peanuts are subjected to a partial hydrogenation process. In particular, the hydrogenation has the purpose of improving the fluidity of the oil and therefore of its commercial aspect. But this process which aims to saturate the double bonds of fats produces trans fatty acids. In particular, the ingestion of these trans fats has negative consequences on the blood cholesterol levels causing an increase.
OTHER USES OF PEANUT OIL
The only negative aspect of this oil lies in an industrial process that can affect it. That is, the peanuts undergo a partial hydrogenation process. In particular, the hydrogenation has the purpose of improving the fluidity of the oil and therefore of its commercial aspect. But this process which aims to saturate the double bonds of fats produces trans fatty acids. In particular, the ingestion of these trans fats has negative consequences on the blood cholesterol levels causing an increase.
OTHER USES OF PEANUT OIL
Peanut oil is used in the pharmaceutical and cosmetic fields and in the production of soaps and detergents.
COMPOSITION OF PEANUT OIL
Its most interesting component from a food point of view is oleic acid. In particular, this component makes it the best frying oil after olive oil. That is, it gives it stability and heat resistance. Then it is resistant to rancidity processes. Especially for this reason peanut oil has a good shelf life.
PEANUTS AND NUTRITIONAL CHARACTERISTICS
Peanuts or peanuts or peanuts are the seeds of the peanut plant. In particular, their commercial preparation requires that they are shelled and often salted. Then they are classified as legumes. But from a nutritional point of view they have a different location than legumes, being more commonly classified as dried fruit or oil seeds. Their rich nutritional properties are also highly appreciated. That is, they are rich in especially polyunsaturated fats, proteins of medium biological value, fiber, vitamin E, antioxidant agents such as polyphenols, it is rich in vitamin E. In particular, peanuts have many nutritional qualities but do not need to be abused due to their high caloric content. . Then they are a good food for celiacs. In particular because they do not contain gluitins.
PEANUTS IN FOOD
The peanut is a food with a high content of proteins but also of fats, rich in vitamin E. First of all it must be said that it is not advisable to totally exclude them from a slimming diet. In particular because, despite being a caloric product, it is all a question of quantity. That is, limited amounts of peanuts are beneficial when included in a cleansing and weight loss diet. For example, thanks to their protein content which makes them useful for purifying, vegetarian and vegan diets. but also excellent for those who practice a healthy sport.
That is for those who want to ingest protein foods but which do not tire the liver and kidneys such as meat, eggs and cheeses. Then it is recommended to include peanuts and peanut oil in the diet for their content of omega6 polyunsaturated fats. In particular because, thanks to these properties, they fight hypercholesterolemia and hypertension.
But don’t overdo it with peanuts or peanut oil. Due to their arachidonic acid content they can increase the levels of eicosanoids in the blood. Especially these substances (eicosanoids) have an action that favors an inflammatory state in the circulatory system. But only if arachidonic acid is introduced in very high values. Finally, the average daily portion recommended to get the maximum benefits from this food with negligible contraindications is 30 grams of unsalted peanuts.
PROBLEMS FOR PEANUT ALLERGIES
While peanut oil can be of enormous benefit, there can be problems in the rare cases of people allergic to this food. That is, following the oil extraction processes it is possible that it contains traces of peanut dust. In particular, peanuts have a high allerfying potential. In particular because they contract the protein allergens of the type Ara h1, Ara h2, Ara h3. That is, refined and filtered peanut oil often does not cause allergic reactions. But unrefined products often contain numerous traces of peanut flour which can be harmful to allergic individuals.
SPREAD OF PEANUTS IN THE WORLD
Peanuts used as food have a more localized spread in some areas of the world. For example, they are widely used in North America. Particularly in Canada and the United States they are typical ingredients of sweets, biscuits, cakes and snacks. Then in these countries peanut butter is widely used. Peanut flour is also present in the ingredients of many cakes. Then other countries of the American continent that use this food a lot Peru and Mexico. In particular, in Peru a culinary preparation is typical that involves the use of ingredients such as peanuts and hot peppers. Then, in the south of the American continent there are specialties based on peanuts and fish.
As well as other preparations involve the union of peanuts, meat and potatoes. But Israelis also use them as a crunchy topping for baked foods. That is, flour, salt, lecithin, sesame and chopped peanuts are mixed. Then this mixture is spread over meat or fish to be cooked in the oven. Again, in Southeast Asia, peanuts are an ingredient in a typical hot sauce. In addition, in many places in Asia they are a typical snack prepared by sprinkling peanuts with spicy powders or sugar. Finally, another very tasty use of peanuts is the one practiced in central Africa near the Atlantic coasts. That is, a sauce of peanuts, garlic, onions, carrots and cabbage is prepared which is used to season the chicken. In addition, the peanut is appreciated as a condiment because it is rich in vitamin E.
doc. Massimiliano Mangafà