An easier way to do a quick check of onion diameter is by comparing it to the size of common citrus fruits. A small onion is comparable to a lemon, a medium onion to a navel orange, and a large onion to a small grapefruit. Not every home chef has a kitchen scale to determine onion size by weight. To help you with your onion conundrum, sub in these measurements as appropriate. Click here to see a digital kitchen scale on Amazon.
If you purchase by the individual onion or prefer to grab a pre-packaged sack, you may be curious just how many onions typically make up a pound. With onions available in such a variety of sizes, the answer is that it varies. Earlier, we noted how many ounces make up a small, medium, or large onion. Using those measurements as a guide,. In addition to many sizes, onions come in various types, many named for their color or flavor.
Onion type is essential to consider when you are looking for the price. While we typically think of an onion weighing a pound as quite large, Guinness World Records reports that the heaviest onion weighed in at over 18 pounds! Onions of small stature come in a wide range of varieties, some of them interchangeable in recipes.
Shallots, cipollini onions, and pearl onions are three modestly-sized onions that are unmistakably not your average small onion. Shallots look a bit like tiny red onions, and their flavor has strong garlic notes. Small golden-colored cipollini onions have a distinctive flattened shape and sweet flavor.
The onion is easy to grow as it can be planted on any soil, any climate, and can be easily stored during any season. It can be grown mostly in the same regions where potatoes are planted. For best onion cultivation, fertile and well-drained soils are recommended. The United Nations estimates that at least countries in the world grown onions.
On a global scale, around 9. In , the biggest producers of onions are China, India, and United States. The onion is a good source of many nutrients such as vitamin C, vitamin B6, folate, potassium, and manganese.
According to FoodData Central, a 3. Onions vary in shape, size and color. Below are the most common varieties of onions:. The onion can be used for many purposes aside from being a food. Here are the popular uses of onions:. Onions may have originated somewhere in East Asia, or possibly in the area that is modern day Iran and West Pakistan. They have been cultivated for years or more, and have found their way into nearly every cuisine. Onions may be eaten raw, fried, grilled, in soups, pickled, blanched, in pancakes, etc.
Conversion from grams to ounce: History of the Onion Until today, it is not clear to archaeologists and historians the exact time and place of origin of the onion, although it is widely believed that the onion started being cultivated 5, years ago in central Asia.
Where Onions are Grown The onion is easy to grow as it can be planted on any soil, any climate, and can be easily stored during any season. Nutrition The onion is a good source of many nutrients such as vitamin C, vitamin B6, folate, potassium, and manganese.
Below are the most common varieties of onions: White Onion. White onion is a medium-sized variant with mild flavor. It is best used for homemade salsa and guacamole recipes, and as garnish for hamburgers. Red Onion. Red onion has deep magenta skin color and has a mild flavor. USDA has a grading system that keeps in consideration the size of the onion rather than its weight. According to USDA standards, the diameters of different kinds of onions are characterized as follows.
The onions categorized under the category of small have their diameter lying somewhere between 1 to 2. The onions categorized as the repacker are the ones having their diameter lying somewhere in between 1.
The onions categorized as the medium are the ones having their diameter lying somewhere in between 2 to 3. You can read more about the USDA onion grading system here.
Onion is a low caloric food and with grams of an onion having only 40 calories. Its fat content is so low that grams of onions have just 0. All of these figures point out in the direction that you should make onions a part of your daily dietary regime, be it in the form of raw salad or something else, that entirely depends upon your choice. Moreover, onion is also a good source of many vitamins and minerals including vitamin B6, Folate, Vitamin C, and potassium.
Onions can regulate blood sugar levels therefore there has been shown the positive impact of consumption of onion on type-1 and type-2 diabetes. Many studies have pointed out the positive impact of onion on bone health. It has been seen that onions not only decrease the rate of bone deterioration but also helps in the formation of new bone mass. Osteoporosis is a serious health problem especially in post-menopausal women therefore it is recommended to eat onions to improve your bone health.
Observational studies have shown that onion helps in lowering the risk of many types of cancer including breast, prostate, colon, and stomach cancer. Onion contains an important antioxidant flavonoid, Quercetin, that helps to improve heart health and keeps heart diseases at bay.
Quercetin also plays a role in lowering blood pressure.
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