Sunflowers produce prototype AIDS drug

A rare compound highly sought after by drug companies for AIDS drug development has been found in sunflowers by a German researcher (www.cembio.uni-bonn.de). Dicaffeoyl quinic acid (DCQA) can prevent HIV reproducing in cell culture, but, because it is rare, it has a market value of nearly £700 per gram. Pictured is a scanning electron microscope image of pollen on a sunflower stigma.

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