Extended data
The disadvantage of long brewing time of Lycium barbarum;
1. The thermos cup has constant temperature function. It is the best choice to soak in a thermos cup in cold weather, but the time to soak in the thermos cup should not be too long. The most important nutrient element in Lycium barbarum is anthocyanin, which will be lost when it encounters high temperature. So soaking in a thermos can only be instantaneous.
2. Lycium barbarum contains a lot of water-soluble vitamins, which are fragile. Most people use thermos cups to connect boiled water. The nutrients in Lycium barbarum will be destroyed by heating, and the thermos cup is constant temperature. If you soak Lycium barbarum in high temperature for a long time, the nutrients will be destroyed.
3. Too long soaking time and too high temperature will cause the loss of anthocyanins. After the loss of anthocyanins, the water soaked in Lycium barbarum is yellow.
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