[Research progress of bioactive constituents, absorption, metabolism, and neuroprotective effects from blueberry].

The main components of blueberry were anthocyanins, chlorogenic acid, citric acid, arbutin, myricetin and its glycoside and so on. It has the activities of neuroprotection, preventing the age-related changes of brain, cardiotonic activity, etc. Recently, the effects of blueberry extracts on the improve function of cognition has been attracted wide attention. This review summarizes the active components, absorption and metabolism of blueberry, especially focuses on neuroprotection and the mechanisms involved.