There are a few studies that have measured the anthocyanin content of maqui berries. One study found that maqui berries had an average anthocyanin content of 14.2% of dry weight. Another study found that maqui berries had an average total anthocyanin content of 7.2 mg per gram of fresh weight, which is equivalent to about 0.72% of fresh weight.
It’s worth noting that the anthocyanin content of maqui berries can vary based on factors such as the specific cultivar, the growing conditions, and the ripeness of the berries. In general, maqui berries are considered to be a good source of anthocyanins and other antioxidants. However, it’s important to keep in mind that the actual amount of anthocyanins present in any given serving of maqui berries may vary.