What is the difference between white onion and purple onion?

What is the difference between white and purple onions?

1.The nutritional value is different:

The vitamins and carotene in white onions will be relatively high, and if you eat them regularly, you can effectively fight fatigue.

2.The palate is slightly different:

Purple-skinned onions have reddish flesh, less moisture than white-skinned onions, crisper texture, more obvious spiciness, and slightly heavier tastes, suitable for heavy dishes.

3.Storage time is different:

White-skinned onions have thick flesh and a lot of moisture, so it will also last longer.

Purple onion skin is thin and has less moisture, and the storage time is shorter, so you should eat it in time after buying it, and it is easy to deteriorate if you store it for too long.

Onions can be farmed using Bika water-soluble fertilizer.

The purple onion skin is purple, and the white onion skin is white. There is not a lot of moisture in the purple color, and there will be more in the white. And the taste is also different, the purple one is a little spicy, while the white one will be sweeter.

Also, the purple ones have a higher yield, while the white ones have a low yield.

There is a clear difference in taste between purple onions and white onions, purple onions have reddish flesh and strong spicy flavor, which is suitable for stir-frying or making salads. White onions, on the other hand, have tender flesh and are high in moisture and sweetness, making them suitable for eating fresh or baked.

White onions, also called fruit onions, can be eaten raw, while purple onions are more spicy.

It's just a difference in color

The taste and cooking are different, too.

Secondly, the nutritional value is also slightly different, purple is more valuable, but white is suitable for Japanese food.

The difference lies in the color, but the taste and nutritional value are almost the same.

When buying onions, should you choose white onions or purple onions? What's the difference?

In fact, purple-skinned onions and yellow-skinned onions have some differences in how they are eaten and how they are eaten. Intuitively, it is the difference in taste when eating. Each layer of yellow-skinned onions has a thick flesh and a lot of moisture, and the taste is crisp and sweet.

The purple skin has little moisture, and the flesh is thin and has a spicy taste. And in terms of nutritional value, purple onions are more nutritious than yellow onions. Purple onions are also purple foods, and the epidermis contains anthocyanins, which protect the body from harmful substances called free radicals and have excellent anti-aging properties.

The purple-skinned part of the purple-skinned onion also contains a lot of quercertin. Since quercetin is a natural anti-cancer substance, eating more purple-skinned onions also has carcinogenic effects.

It is said that dark-colored vegetables have higher nutritional value than light-colored vegetables, and even for the same vegetable, dark-colored parts have higher nutritional value than light-colored parts. For example, purple eggplant is more nutritious than green eggplant, cabbage is more nutritious than cabbage, purple onion is more nutritious than white onion, and celery leaves are more nutritious than celery stalks. Purple onions are rich in anthocyanins, which can fight free radicals and delay aging, and white onions are rich in vitamins and carotene.

The comparison is obvious, and vitamins and carotene are not at all unusual in many vegetables. That is to say, they are all onions, different colors, and the nutrients are almost the same, and the nutrients of the extra side are the embodiment of nutritional value. To express more intuitively, eating purple onions often has a good health effect, and white onions are more suitable for supplementing the daily needs of the human body.

First of all, white onions are a little soft and elastic Because onions contain a lot of water, they will not spoil if left for a long time, so in the process of making, the color will not become too strong and will not turn black. Then, when it's over, you'll notice a bit of sweetness. So you can eat white onions when stir-frying.

In addition, the nutritional value of onions is higher than that of purple onions, and white onions are rich in dietary fiber, carotene, protein, vitamin C and other nutrient-rich substances. Purple-skinned onions, on the other hand, don't have as much moisture. In addition, purple-skinned onions are more spicy.

There are a lot of tears when you cut the purple onion, and I don't know if you have noticed that your eyes are uncomfortable after cutting for a while. Purple onions are not suitable for stir-frying. Purple onions have very low moisture and will turn black after frying.

Also suitable for salads. Cold dishes are also good. In addition, if you buy a purple onion, you must eat it on the day because of the short shelf life.

It is better to choose purple onions, because purple onions are richer in vitamins, and fried purple onions are not particularly spicy. White onions are white in color, it is very spicy, and particularly pungent to the eyes, rich in vitamins, purple onions have a sweet taste, which is very suitable for eating raw or stir-fried.

Of course, it is better to choose purple onion, because the nutritional value of purple onion is higher, and it is better for our body, and it can also solve many problems, and has a certain disinfection effect, and the only role of white onion is that it is more spicy, and the nutritional value is not particularly high.

Difference Between Yellow Onion and Purple Onion:

1. The taste is different.

Purple-skinned onions, also known as shallots, have a purplish-red skin and dark purple bulbs inside, and their taste is the same as its color, giving people a punch and being the most spicy to eat. Light-colored onions, on the other hand, are not as spicy as purple-skinned onions, but they have high moisture and sweetness, and because light-colored onions are thicker than purple-skinned onions, they are relatively difficult to preserve.

2. The output is different.

In terms of yield, the yield of purple-skinned onions is the highest, and the yield of yellow-skinned onions is in the middle, so the relative ** is also different.

3. Cooking is different.

Purple onions are commonly used in Western food, whether they are marinated directly, grilled, or to add flavor to dishes. Purple onions are also an important condiment, such as when making pasta sauces, which are often added by chopping them.

The yellow-skinned onion is mostly exported, the flesh is slightly yellow, tender and delicate, the taste is sweet, the spicy taste is in the middle, it is suitable for raw eating or dipping sauce, it is resistant to storage, and it is often used to make dehydrated vegetables.

1. Nutrition: White onions are better than purple onions in terms of nutrition, especially a kind of elongated white onion, known as "health onion".

2. Taste: white onions are not as spicy as purple onions, they taste slightly sweeter, and the meat is thicker.

3. Preservation: Because the white onion is thicker than the purple onion, it is relatively difficult to preserve, 4. Use: The white onion is more suitable for cold dishes, it is not spicy and sweet, and the purple onion is suitable for stir-frying, especially with beef and bell peppers.

5. Element content: The trace element selenium contained in the onion itself is a strong antioxidant, which can enhance the vitality of cells and delay agingThe epidermis of the purple onion also contains anthocyanins, which has a good anti-aging function.

1. Different uses: white onions are more suitable for cold dishes, not spicy and sweet, while purple onions are more suitable for stir-frying. 2. Nutrition is different:

White onions have more vitamins and carotene, while purple onions have more mineral elements. 3. The taste is different: white onions are not spicy, they taste crisp and delicious, and purple onions have a spicy taste.

4. Different storage time: white onions are easy to deteriorate, so the storage time is not long, and the storage time of purple onions is long.

Onions are native to western Asia and are widely cultivated both in China and abroad. It is one of the main vegetables in China. China's onion production areas mainly include Fujian, Shandong, Gansu, Inner Mongolia, Xinjiang and other places.

Onions are biennial or perennial herbs. string-shaped, dark green cylindrical hollow leaves with waxy surface; The leaf sheath is thick and scaly, dense around the short stem, forming a bulb; umbel-shaped inflorescences with small white florets; Capsule. The rhizome is covered with a thin layer of skin on the outside, and the inside is a layer of flesh, usually white or yellowish.

Onions are a very common and inexpensive home-cooked dish. Its meat is tender, juicy and spicy, and the quality is good, making it suitable for raw food. It is eaten by large bulbs underground. In foreign countries, it is known as the "queen of dishes", and its nutritional value is high.

White onions and purple onions differ in terms of nutrition, taste, preservation, use, and element content.

White onions are better than purple onions in terms of nutrition, especially a long white onion, known as "health onion". In terms of taste, white onions are not as spicy as purple onions, and they are slightly sweeter and thicker. In terms of preservation, white onions are relatively difficult to preserve because they are thicker than purple onions.

Usage. White onions are more suitable for cold dishes, they are not spicy and sweet, purple onions are suitable for stir-frying, especially with beef and bell peppers, and some purple onions are also delicious when making barbecue.

How to pick onions:

1. The onion jujube potato sphere with a good onion appearance is complete and very beautiful, which shows that the onion is very well developed. And if you encounter a misshapen onion, it may be stunted. It also depends on whether the onion is damaged or squeezed out of shape.

2. When buying onions, you also need to look at the roots of the onion, because the roots can reflect the conditions of onion storage, if the roots are very dry and no new roots grow, it means that the environment in which the onion is stored is particularly dry.

3. The skin of the onionThe drier and smoother the skin of the onion, the better the quality of the onion. And if you can see the brown texture on the surface of the onion, such an onion is even more high-quality, and the quality is very good, so you can buy Shanyan Burn with confidence. Teasing.