Nonan-2-yl acetate (Aceticacid2-nonylester) is a volatile oil extracted from the aerial parts of Ruta chalepensis L. and a pheromone extracted from honey bees with potential insecticidal activity.

Procyanidin B4 reveals significant antioxidant activity.

β-Amyloid (1-43)(human) is more prone to aggregation and has higher toxic properties than the long-known Aβ1-42. β-Amyloid (1-43)(human) shows a correlation with both sAPPα and sAPPβ. β-Amyloid (1-43)(human) could be considered an added Alzheimer's disease (AD) biomarker together with the others already in use.