1 identification method of black wolfberry dyeing look at the black wolfberry on the market. Most of them are dried 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 the black wolfberry as a natural wild medicinal material, and it smells a faint fragrance. 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.

Soaked 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.

2. How to identify counterfeit Lycium barbarum is nutritious, and it has the effects of enhancing immunity, anti-aging and beauty beauty. Black 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.

3 The color of fake black medlar after soaking in water Many merchants replace black medlar with spiny fruit similar to black medlar, and some merchants use poor quality, recycled and moldy black medlar. This soaked black wolfberry is generally brown in color, and in a few cases it will be blue. It is recommended that you buy black wolfberry in regular shopping malls to prevent buying fake and shoddy goods.

4 The taboo of soaking Lycium barbarum in water 1. Excessive consumption of black wolfberry is not advisable. Although it is rich in various nutrients and has a wide range of functions, it belongs to nourishing medicinal materials and can warm the body. Excessive consumption can easily lead to physical discomfort and symptoms of getting angry.

2. Not suitable for eating with meals. Many people will drink black wolfberry 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.