Wei sheng yan jiu = Journal of hygiene research
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To investigate the conditions of Keshan disease and the selenium nutritional status of residents in Keshan disease endemic area in Shandong Province. ⋯ The occurrence of Keshan disease is in a stable status in Shandong Province at present. Hair selenium of residents in Keshan disease endemic area has reached an appropriate level. The selenium nutritional status of residents has improved, and the prevalence of Keshan disease is expected to be decreased in these areas.
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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.