Chemical structure Class of natural product Market preparations Isolation of the natural product: Fresh plant from leave or root of citrus Insect-damaged and fungus-infested roots and leaves Were removed Dried in the Laboratory at room temperature until they broke easily by hand Extracted Successively with hexane, chloroform, ethyl acetate and methanol Under vacuum on rotatory evaporator below 50°C Extract was then evaporated and yield a brownish mass A well-stirred suspension of silica gel in Petroleum ether at 60°C–80°C was poured into a column When the absorbent was well settled, the excess of petrol-ether was allowed to pass through the column. The slurry was passed through the silica gel in petrol-ether and was digested to well stirred column. The column was successively eluted with hexane, chloroform, methanol, and their mixtures of increasing polarity. Yellow powder Pharmacological actions & Mechanism of actions Quantitative Estimation Side effects Contraindications Take care that Naringenin can interact with a quantity of pharmaceutical drugs, changing and influencing their blood level. These include Statins thatare used for cholesterol control antiviral agents used to treat HIV/AIDS anti-anxiety drugs calcium channel blockers that are used to treat high blood pressure non-sedating antihistamines such as Hismanal (astemizole) immunosuppressive drugs used to prevent rejection of transplanted tissues organ.