Osthole belongs to coumarin compounds. It is prismatic-like crystals (diethyl ether) and needle-like crystals (Ethanol) with the melting point being 83~84 ?? and the boiling point being 145~150 ??. It is soluble in alkaline solution, methanol, ethanol, chloroform, acetone, ethyl acetate, and boiling petroleum ether but insoluble in water and petroleum ether.
Osthole has various kinds of effects of antispasmodic, hypotensive, anti-arrhythmic and enhancing immune function and broad-spectrum antimicrobial effect. Osthole can not only have efficacy such as anti-hypertensive, anti-arrhythmic, anti-inflammatory, anti-tumor and anti-osteoporosis effect, but can also act as a new type of biological pesticides with significant efficacy in treating pests and plant pathogens.
