Effect of apigenin on microglia in penumbra after acute transient focal cerebral ischemia-reperfusion injury in rats Effect of apigenin on microglia in penumbra after acute transient focal cerebral ischemia-reperfusion injury in rats Preparation technology for phospholipids complex of total flavonoids from leaves of Diospyros kaki Preparation technology of Dracocephalum moldevica total flavonoids pellets and its release mechanism