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Knowledge Of Onions Or Big Pearls And Its Types

History And Knowledge Of Onions:

Knowledge Of Onions: The origin of onions is mainly from Asia and the Middle East, which have spread. Onions were admired by the Egyptians. They not only used it as money but also placed it on the tombs of kings, and this was considered a gift to the dead, which was of spiritual importance to the deceased during his life after his death.

Over time, onions have been considered not only in cooking but also in their healing properties. It was used as a medicine in India in the early sixth century. The Indians were famous for using onions. In ancient Greece, it was mixed with extra side dishes because people did not find it too spicy, however, because of its bad smell, onions among the poor people around the world who could easily use this cheap plant to flavor their food. They became famous.

Onions were used as an unconditional plant in the food compositions of many European countries in the Middle Ages and later as a healthy and classic breakfast.

Christopher Columbus brought onions to the West Indies. Their breeding spread throughout the Western Hemisphere. Today, China, India, the United States, Russia and Spain are the top producers of onions.

About onion : Knowledge Of Onions

  • It is one of the oldest vegetables and herbs in the world.
  • Onion is a biennial plant with hollow, cylindrical leaves.The onion stem reaches a height of one meter, which is also cylindrical and hollow.White or red onion flowers are seen as an umbrella at the end of the stem.
  • Onions have different varieties such as yellow, red and whiteEach of these species has a different use.
  • The scientific name of onion is Alium cepa. Onion belongs to the genus Nargesian and Onion and belongs to the Alias ​​family.
  • Onions were taken from Egypt to Rome, where the current name of the onion was given.
  • The word onion is derived from the Latin word unio, meaning “big pearl”.
Type of onion :

We use onions in different forms in cooking, cooked, fried, raw and even pickled, because each onion has its own characteristics, taste, seasoning and unity.

  • Yellow onion

The most famous member of the onion family has a golden brown skin and its inner layers are white or yellowish white. This type has a pungent odor and is the best option for cooking . These onions are usually grown and harvested between spring and autumn, but they are stored, these onions have a very high shelf life, they should be stored in a cool, dark place. That is why it is available in the market in all seasons. Yellow onion is like jeans in the world of onions, it is known in all countries and it can be used in all foods.

  • Vidalia or sweet onion

This onion is originally American and was first cultivated in the southeastern region of Georgia. This type is sweet, crunchy and juicy and has a slightly spicy taste. It is great for making caramelized onions because of its sweet and sugary taste. Large Vidalia onions are also a great choice for making fried onion rings.

  • Red onion

This is a beautiful color with a purple-red velvet coating that has a white core. Due to its mild and sweet taste, it is the best option for consumption raw. Red onions have more flavonoids and fiber than white and yellow onions. Because of its beautiful color, you can use it to decorate a plate of food.It is also a good choice for grilling, salads and sandwiches. These onions are also available in the market in all seasons and you can easily store them at home temperature for 3 to 4 months.

  • White onion

This skin onion is completely white and has a mild and cool taste. The difference between white and yellow is that white onion is sweeter and has a shorter shelf life than yellow onion. In general, white and red varieties have a shorter lifespan than yellow onions due to their higher sugar content . It is almost like red onion in terms of application, it can be eaten raw or used in salads and dips. This onion is the best choice for Mexican food. Small white onions are used in soups, casseroles and kebabs, this type is known as boiled onions.

  • Pear-shaped onion

These onions are small and sweet and have a special and delicious taste. Available in white, yellow and red, but white is more common. These onions were first grown in home gardens in Germany and Italy. The biggest problem with using fresh pear-shaped onions is peeling them. For convenience, put them in boiling water and easily peel them with your fingers. These onions are a good choice for pickling, grilling, steaming and using in kebabs.

  • Onions

Onion or green onion that has long green leaves with a small, elongated onion at the end. We Iranians usually use onions in eating vegetables and make cocoa with their leaves. The white part of the onion is sharper and you can combine it with ginger and garlic and use it to flavor foods. And we can use onion leaves in the salad.

  • Spring onion

It is very similar to an onion, except that the onion at the end of the green leaves is larger and rounder. In fact, we don’t consider it a special type of onion, but it is the same yellow, red, and white onion harvested early. These can be eaten grilled and their leaves are also suitable for making cocoa.

  • Leeks

Leeks are also one of the types of onions and if you like its special taste, they are excellent and tasty for making creamy soups or cocoa.

  • Shawls or shawls

Schlott is one of the types of onions that with light purple layers, is one of the vegetables that is usually underestimated. This onion has a delicious and spicy taste, but after eating it, the mouth smells bad. It is a good choice for use in preparing various sauces, especially sauces that contain vinegar. You have to chop them finely and add them in vinegar until they turn sour. Schlott is also used for cooking, but you should never fry this onion because it becomes bitter.

Knowledge Of Onions


Onions vary in color, taste, harvest time and size. This difference makes onions very diverse.

Seasonal differences of onions

Yes, onions are seasonal! We divide the onions grown in Iran into four categories based on harvest time:

  1. Spring
  2. Summer
  3. Fall
  4. winter

iran is one of the limited countries that harvests onions in all four growing seasons and does not import any onions in 12 months of the year

Characteristics of Iranian onions

Features of Spring / Summer Onion

  • Harvest from April 15 to September
  • Availability of yellow and white onions
  • It has several layers of skin and in different colors
  • Taste range from sweet to mild
  • Best used in salads, sandwiches, and fresh, lightly cooked or grilled foods

Features of autumn / winter onions

  • Yellow, red and white onions are available from October to March
  • Multiple layers of thick, dark skin
  • Onions have a longer shelf life during these months
  • Taste range from mild to spicy
The largest onion producers in the world:



United States





Among the countries importing this product from Iran: the countries bordering the Persian Gulf, Oman, Qatar, neighboring Iraq.

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