Apigenin (Standard) is the standard substance of Apigenin, and it is applicable for quantitative analysis, quality control, and related research in biochemical experiments. Apigenin (LY 080400) belongs to the flavonoid group of natural products and is a CYP2C9 inhibitor (Ki=2 μM), competitive. Apigenin reduces anxiety, influences immune health, regulates hormones, and has been used as a sedative, mild analgesic, and sleeping agent.