Black wolfberry grows in a high-altitude climate, with a sweet taste, flat nature, clean ecological environment and pollution-free wild ridge. Due to the difficulty of picking, the yield is low, and it is the plant with the highest anthocyanin content found so far, which helps to resist oxidation, and the anthocyanin has significant effects on beauty, so it has become a rare nourishing product.
 
 The reason why black wolfberry is black and purple is because anthocyanins are derived to protect themselves, which shows the miracle of nature. For this reason, it has a higher anthocyanin content than other fruits and vegetables including blueberries. Black wolfberries and blueberries are both high-content anthocyanine vegetarian foods, but black wolfberries are higher than blueberries.
 
 It also contains a variety of trace elements such as protein, wolfberry polysaccharides, amino acids, vitamins, and minerals. It has a high medicinal value. It can improve skin tone, lighten wrinkles, anti-oxidation, improve sleep, nourish liver and eyesight, nourish essence and strengthen kidney , Nourishes blood and calms the nerves, lowers blood lipids, and is beneficial for cardiovascular disease. As the ingredients in black wolfberry are very water soluble, it is suitable for blanching directly, but it is not suitable for brewing soup, cooking food or soaking wine.
 
 How to distinguish real black wolfberries :
 1/ Look at the appearance: fakes are usually pretended by white thorns, blueberries, or other similar fruit dyes.
 2/ Look at the color of the soaked water : the color of black wolfberry is very strong and contains a lot of anthocyanins. If you use mineral water (acidic water), the color of the soaked water should be purple; if you use tap water (alkaline water), the water color It should be blue.
 3/ Multi-seed: The seeds of black wolfberry are small and granular, just like red wolfberry, and other counterfeit ones such as white thorn fruit and blueberry are single-seeded.
 
 Because black wolfberry is rich in anthocyanins, its chemical properties are more active, more sensitive to heat, and it is easy to be destroyed if it is too hot. Therefore, when black wolfberry is soaked in water, do not use too hot water. It is recommended to use warm water below 60°C