Black goji berries are rich in anthocyanins, and black goji berries anthocyanin activity is very strong, encountered different water water temperature color will change, black goji berries with tap water (water temperature lower than 60 ° C) brewing blue (alkaline water), mineral water brewing is purple (acidic water).

Generally speaking, blue, green, purple and fuchsia are normal colors. Wait until all the effective nutrients in the black goji berries are leached out, the water will turn white. Each time the black goji berries infused water wait for about 5 minutes to drink, until the water is clear, then eat the black goji berries.

Extended information

The reason why the black goji berries soak in water will have a color change is because the anthocyanins in the black goji berries dissolve in the water. Anthocyanin is a water-soluble pigment, and is particularly sensitive to acidity and alkalinity, can change different colors with the acidity and alkalinity of the environment, in acidic water is purple system (purple, fuchsia, iron-red, etc.), in alkaline water is blue system (blue, blue-green, lake blue, etc.).

Therefore, the black wolfberry in different water soak out is not the same color, generally with mineral water soak is purple, with home tap water soak is blue. Black goji berries soak with warm or cool water below 60 degrees, can not use boiling water, because black goji berries in anthocyanins and some nutrients are afraid of high temperature. Black wolfberry soaking water color change is generally related to water, and black wolfberry is not much connection.

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