The color of wild black wolfberry when brewed will change with different water quality, mainly showing two colors: blue and purple. When brewing, it is best to use warm water to brew, which can effectively avoid damaging the anthocyanins. Depending on the water quality and the pH value of the water, wild black wolfberry will show different colors. Tap water and mountain spring water are more acidic. If you use such water to brew, it will show a purple color and mineral content. The water is alkaline. If you use it for brewing, it will appear blue in color.

When brewing wild black wolfberry, an interesting color change will occur. If brewed with warm water below 60 degrees, it will immediately appear stringy and turn blue. , wait a short time, and it will turn into the ink color. If you use mineral water below 60 degrees to brew it, it will quickly appear stringy, and it will immediately turn purple, and it will turn into deep purple in an instant. If you use tap water to brew it, it will soon appear brushed and turn blue. After a short period of time, the color will become darker. After brewing, the fruit will turn into a transparent white color and can be eaten directly. If you use wild black wolfberry to soak in water and drink it, you must control the amount and don't take too much. No matter how effective wild black wolfberry is, it is still a drug. As long as it is a drug, it cannot be taken excessively, otherwise it will not be beneficial to the body, but will become harmful.