Ten compounds from were tested for their effectiveness in treating Alzheimer's disease. They were found to have strong antioxidant effects, inhibit the activity of acetylcholinesterase (AChE), prevent the aggregation of beta-amyloid (Aβ), and protect neurons. The researchers used computer modeling to predict the compounds' drug properties, and found that they were all favorable. The compounds work by inhibiting AChE activity and binding to specific regions of Aβ. One compound, citrusinine II, showed the best results in vitro and may provide protection against neuronal damage caused by Aβ toxicity and hydrogen peroxide.