Is it normal for an orange to be black inside, and what is the situation if there is red inside an o

The inside of an orange is not normal to be black. This is because bugs are produced inside oranges.

How to buy oranges:

1. Heavy is better than light.

This rule applies to the selection of many kinds of food, the same size, to pick the heavy one, light and fluttery not to choose.

2. **Fine pores are good.

Like a beauty, the skin of orange peel should be delicate and the pores should be small, so that the orange peel will be thinner and tastier; If the pores are large, they are usually large thick skin.

3. It is relatively hard and elastic.

Gently pinch the oranges, the hard ones are better than the soft ones, and they should be elastic, indicating that the oranges are fresher.

4. It is good to have a small navel.

Navel orange. In fact, regardless of male and female, the navel is its compound fruit, and unlike many people think, navel oranges should pick the navel with small eyes.

5. The red ones are sweeter.

This depends on personal taste, if you like sweeter, then the red orange will be sweeter, if I like to be sour, you don't have to go out of your way to pick the red one.

6. Be wary of dyed oranges.

Now there are dyed oranges on the market, everyone should be careful when buying, and it is not difficult to judge: when buying, use paper towels, wet paper towels, and small towels to wipe the surface of the orange peel with some force, if it is dyed, it will fade.

It depends on what kind of product you buy, and if you can't be sure, don't eat it.

Abnormal. What kind of worm is there...

It is normal for oranges to have red in them, and this is related to the orange variety.

The flesh of ordinary oranges eaten at banquets is orange, but sometimes it is found that the flesh of oranges is red and blood-red.

Some oranges look the same as regular oranges on the surface, but when you cut them, you will find that the flesh of the orange inside is red. When you pick it up and smell it, there is no peculiar smell, and it is as fragrant as ordinary oranges. **All normal, except that the color is blood red.

Types of oranges:

1. Sweet orange: the fruit of sweet orange is round and spherical, oblate or oval, the color is orange-yellow to orange-red, the peel is difficult or slightly easy to peel off, the scoop sac is 9-12 petals, the fruit heart is solid or semi-full, the flesh color is light yellow, orange-red or purple-red, and the taste is sweet or slightly sour; There are few or no seeds, the seed coat is slightly ribbed, the cotyledons are milky white, and there are many embryos. Sweet oranges bloom from March to May, fruiting from October to December, and late ripening varieties until February and April of the following year.

2. Navel orange: easier to peel. Orange and red are bright, clean and beautiful, the edible rate is up to 85%, the meat is crisp and tender, the slag is dissolved, the flavor is sweet and fragrant, and the taste is sweet and slightly sour. Containing more than 55% fruit juice, it has the title of "Chinese famous fruit" because of its excellent quality, rich flavor and aroma.

The orange is red on the inside, and it is a fruit called blood orange.

The characteristic dark flesh of blood orange is due to the presence of anthocyanins. Anthocyanins are common pigments, glycoside conjugates of anthocyanins and monosaccharides, found in many flowers and fruits, but rarely found in citrus fruits. Sometimes there is also a dark color on the outermost layer of skin, depending on the variability of the blood orange.

Dark colors in the interior are related to light, temperature, and variability.

Blood orange is the best essential oil to promote blood circulation, effectively improve the anemia of the human body, improve skin tone, promote cell regeneration, and have a fresh fragrance.

The orange is red because the orange is a blood orange.

Blood orange is a variant of citrus sinensis, commonly known as red orange. It has a dark red, blood-colored flesh and juice, and is smaller than the usual orange; The epidermis usually has small pits, but it can also be smooth. Blood oranges first appeared in Europe in 1850, fresh blood oranges are red or orange, have bright red stripes, and are sweet and juicy, with a fragrant aroma, several varieties are slightly oval in shape, blood oranges are mostly seedless, and are mainly cultivated in Spain, Italy and North America.

China is mainly distributed in Zizhong, Sichuan, Zizhong County is known as the "Tarocco Blood Orange Township", Renshou County Baofei Town also has a large number of cultivation, Chongqing Changshou District, Jiangjin District and Kai County also have blood orange distribution, and now Chongqing Wanzhou District is planting blood oranges on a large scale.

Of course you can Blood Orange (Blood Orange) is a hybrid plant, first appeared in Europe in the 1850's, fresh blood orange is red or orange, with bright red stripes, and sweet and juicy has a fragrant aroma, there are several varieties that are slightly oval, blood oranges are mostly seedless, mainly cultivated in Spain, Italy and North America. Blood orange is different from other types of orange fruits, mainly in the following points: 1. Promote blood circulation and improve anemia 2. The best essential oil to promote blood circulation and effectively improve the anemia of the human body; 3. It can warm and nourish blood, improve cold hands and feet; 4. It improves skin tone, promotes cell regeneration, and has a fresh fragrance; 5. It can invigorate thinking and emotions.

Named after the color of the flesh resembling blood, blood orange is essentially a navel orange, and has now developed a variety of varieties, the more famous of which are the Italian Tarocco blood orange; China's red jade, blood orange and so on. This variety is bred from the descendants of the Tarocco Blood Orange Bead lineage. Its tree is strong, the branches are thick and the leaves are large, thorny, and the yield is abundant and stable after easing the tree potential, and the weak branches are mainly fruiting.

The fruit is obovate or short oval, with obvious grooves on the peduncle, and the weight of a single fruit is 200-250g, which is the largest crystal system in blood orange, the peel is particularly smooth, and the peel and flesh are blood red when ripe. The fruit generally ripens in late January, because the appearance is extremely beautiful, catering to the Chinese habit of liking red on festive days, coupled with the delicate and tender pulp, juicy and sweet, rich aroma, soluble solids 12%-13%, large and seedless, with strong market competitiveness. The juice is rich in polyphenolic compounds such as vitamin E, P carotene, anthocyanin glycosides and flavonoids, which have physiological effects such as antioxidant, preventing cardiovascular disease and inhibiting the occurrence of cancer.

As a late-maturing sweet orange, it is an important and excellent variety that is currently promoted.

It should be a fungus (more precisely, mold). Most fungi are harmless or even beneficial to humans, like the fungus in cheese. But some can cause allergic reactions.

For fruits and vegetables that are high in moisture (e.g. oranges), if the whole food is infected with the fungus (there is a black part, even if it is just a small piece), it should be thrown away and not eaten. For fruits and vegetables with low moisture content (e.g. cabbage, carrots), the tissue within centimeters of the diameter of the moldy part (black substance) can be dug up, and the other parts can be eaten as usual.

It is advisable not to eat such black moldy substances found in oranges.

How to save razor clams.

1.Wipe the surface of the oranges one by one with a damp cloth, let it dry, put the dried oranges back into the plastic bag and box, seal it, and put it in a cold place to keep it fresh for about 1 month.

2.Wash the oranges one by one with soda, dry them cool, and put them in a plastic bag to seal and store them, which can generally keep them fresh for about three months.

Nutritional value of oranges.

Lowering blood lipids: oranges contain a lot of vitamin C and carotene, which can inhibit the formation of carcinogens, soften and protect blood vessels, promote blood circulation, and reduce cholesterol and blood lipids;

Prevention of gallbladder disease: Regular consumption of oranges is effective in preventing gallbladder disease;

Stress relief: The smell of oranges is good for relieving people's psychological stress, but it only helps women to overcome tension and has little effect on men.

It may be citrus black spot disease, formerly known as resin disease or sarcoderma, the fruit can occur after flowering to the whole expansion period of the fruit, the surface of the formation of brown or black-brown dots, linear, curved, annular or amorphous hard gum small spots, when the concentration of germs is high, the lesions are mud-like or tear-stained.

This is definitely not normal, if it were me, I would not dare to eat it.

Maybe it's the traces left by some preservative.

Black spots on the skin of oranges are fungal mold spots. After the orange is harvested, it is easy to have such problems in the process of storage and transportation without cleaning and waxing. If the mold grows only on the skin, the flesh is edible.

If the mold is deep into the flesh, it is best to throw away the whole orange.

It may be citrus black spot disease, formerly known as resin disease or sarcoderma, the fruit can occur after flowering to the whole expansion period of the fruit, the surface of the formation of brown or black-brown dots, linear, curved, annular or amorphous hard gum small spots, when the concentration of germs is high, the lesions are mud-like or tear-stained.

The black dot on it is a kind of mold (I forgot what it is called) Although it seems to you that the flesh is good, but the mycelium of the mold has taken root in the pulp, and most molds are harmful to the human body, so for the sake of your health, it is better not to eat it.