How to distinguish the dyeing of Lycium barbarum L., Ningxia Lycium barbarum L. has the largest planting area in China, and Lycium barbarum L. is a blind medicinal material with high medicinal value. Lycium barbarum has two colors: black and red. How to tell whether the black wolfberry is dyed by its color?
How to distinguish the color of 1 dyed by Lycium barbarum? The color of black wolfberry should be dry and black, and it should look very dry. If we touch it with our hands, it will be dyed and washed away easily. Lycium barbarum dyed black, black and shiny, looks damp. Touch it with your hands to get a deep color, which is not easy to wash off.
Smell the black wolfberry and see if it is dyed.
Everyone should know that Lycium barbarum grows in nature and has no pungent smell. Really, black wolfberry smells like grass. The dyed Lycium barbarum has a strong medicinal taste and smells disgusting.
Judging whether black wolfberry is dyed from the color of soaking water?
The color of dyed black wolfberry will come out soon after soaking in water. And the color of soaking water is not blue. Some of the colors soaked by dyed black Lycium barbarum are brown, some are brown and some are cyan. Good quality, black Lycium barbarum soaked in water comes out slowly, and it takes a process to release anthocyanins from black Lycium barbarum. So the color slowly came out. Really, the color of black wolfberry soaked in water is only blue or purple. A cup of black wolfberry can be brewed four or six times.
There are three common methods of counterfeiting:
First, one is to use Nitraria fruit instead. Nitraria fruit is also a kind of medicinal material. The fruit is nearly spherical and about 5 mm in diameter. When mature, first red and then black.
Second, replace it with blueberry fruit, and use smaller blueberry fruit to remove seeds and dry it to make black wolfberry.
The third is to dye other similar fruits and sell them as black medlar.
The above are three ways to tell whether black wolfberry is dyed. In order to buy good black wolfberry, we must not just covet cheap! When we buy black wolfberry, we can choose the place of origin (Qinghai, Xinjiang, Gansu, etc. ). Why? Take Mi Yuan in 1911 as an example. We have our own black wolfberry farm. There is no middleman to earn the difference. Good quality, excellent price, guaranteed!
How to distinguish black wolfberry dyeing II? Take a look.
Black Lycium barbarum on the market is mostly dry black Lycium barbarum, with dry texture and dark color. When you touch it with your hands, your hands will be stained and washed away. If it is dyed black, the color is black and shiny, and the texture is moist. It will be dyed when touched by hand, but the color is dark and it is not easy to wash off.
smell
Lycium barbarum L. is a natural wild medicinal material, which smells faint. Dyed Lycium barbarum is processed with chemical dyes. Although the color is beautiful, it smells pungent, which will make people sick and queasy after a long time.
have a good swim
Lycium barbarum is rich in anthocyanins, so it will change color when soaked in water. Acidic water is purple and alkaline water is blue. Good quality black Lycium barbarum soaked in water, the color comes out slowly, because the release of anthocyanins takes a process, but the dyed black Lycium barbarum soaked in water quickly, and the soaked color is varied, including brown, brown and cyan.
How to distinguish fake Lycium barbarum
Lycium barbarum L. is rich in nutrition and has the effects of enhancing immunity, resisting aging and beauty beauty. Lycium barbarum is a valuable tonic medicine, and wild Lycium barbarum is even more expensive. Therefore, many merchants pretend to be black wolfberry with Nitraria fruit similar to black wolfberry, so as to make a profit.
There are about ten small seeds in the crushed fresh Lycium barbarum, which are fruit-shaped, while the fake Nitraria fruit is mononuclear, without the bright black and purple color of Lycium barbarum.
Dry medlar is not easy to distinguish from the appearance, but it can be clearly known after soaking in water. With the release of anthocyanins, the color of Lycium barbarum will gradually fade. There are about 10 small seeds in Lycium barbarum L. The color of Lycium barbarum L. can change from pH value to purple when soaked in acidic water, blue when soaked in alkaline water, and has no color change when soaked in fake Lycium barbarum L.
The color of fake black Lycium barbarum after soaking in water
Many merchants replace Lycium barbarum with Nitraria fruit similar to Lycium barbarum, and some merchants use poor quality, recycled and moldy black Lycium barbarum. The soaking color of this black wolfberry is generally brown, brown, and blue in a few cases. It is recommended that you buy black wolfberry in regular shopping malls to prevent buying fake and shoddy goods.
Black Lycium barbarum soaking in water is taboo
1, not suitable for excessive consumption.
Although Lycium barbarum is rich in various nutrients and has a wide range of medicinal effects, it is a nourishing medicinal material that can warm and tonify the body. Excessive consumption can easily lead to physical discomfort and symptoms of getting angry.
2, should not be eaten with meals.
Many people will drink Lycium barbarum soaked in water as ordinary water and pick it up when eating. In fact, this is wrong, because Lycium barbarum is a nourishing medicinal material, and taking it at meals may affect the absorption of medicinal effects. It is best to drink it half an hour after dinner.
How to distinguish the dye 3 of Lycium barbarum can be judged by the color of Lycium barbarum.
Lycium barbarum dyed black, black and shiny, looks damp. Touch it with your hands to get a deep color, which is not easy to wash off. The undyed black wolfberry is dark black, so it is not easy to dye the color on the hands.
Lycium barbarum L. tastes sweet and flat, and is rich in protein, Lycium barbarum polysaccharide, amino acids, vitamins, minerals, trace elements and other nutrients. It is also rich in black fruit pigment (natural proanthocyanidins, abbreviated as OPC), and the OPC content exceeds that of blueberries. In addition, the anthocyanin OPC in black fruit is the most effective natural water-soluble free radical scavenger, and is known as the wild "blue witch".
Distinguish truth from falsehood by appearance.
Lycium barbarum is a thorny shrub with many branches and hard branches. Berry purple-black, spherical, sometimes slightly concave at the top, 4-9 mm in diameter. More than 95% of Lycium barbarum has stems, and the fruit contains 5-8 seeds. After drying, it is kneaded into powder by hand. Nitraria tangutorum is dark red and has no stalk. When the fruit is ripe, the stem automatically falls off, and it is mononuclear, so it is very difficult to pinch it by hand. Blueberry fruit is purple-black, sessile and seedless.
In addition, observing the fruit stalk, the fruit stalk of Qinghai Lycium barbarum is gray. If a large number of fruit stalks are blue, it must be dyed.
Distinguish between true and false from brewing color
Black Lycium barbarum soaked in water is very thick, tap water (acidic water quality) is blue, and mineral water (alkaline water quality) is purple. The sugar content is low and the water is slightly sweet. Nitraria tangutorum is light in color, high in sugar content and sweet in taste. Blueberry fruit is lighter in color, higher in sugar content and sweeter in taste after soaking in water.
Authentic black wolfberry is put into tap water, and blue appears like silk thread. As soon as the dyed fruit is put into the water, a large area of blue appears. When dyeing Lycium barbarum, there is generally only one color for brewing, and there will be no different colors under different conditions.
Distinguish the good from the bad from the origin
The best wild Lycium barbarum is produced in Qinghai, because the anthocyanin content of Lycium barbarum produced in Qinghai is more than four points, which is higher than that of Lycium barbarum produced in Xinjiang and Gansu. Different places of origin have different prices. Real black Lycium barbarum, especially wild Lycium barbarum, has precious resources and limited output, and it costs at least 2000 yuan per catty. And other fake black wolfberry, a catty often does not exceed 100 yuan. If you encounter a black wolfberry with a low price, you should be on your guard. It may be a fake.
Distinguish the true from the false from the selling price
As the saying goes, a penny is worth a penny, and it is also reliable to put it on the black wolfberry. Real Lycium barbarum, especially wild Lycium barbarum, has precious resources and limited output, at least 1000 yuan per kilogram. Plus other fake fruits, one kilogram is often only 100 yuan. If you encounter black medlar with too low price, everyone should be vigilant.