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Nature 436, 486 (28 July 2005) | doi:10.1038/436486a; Published online 27 July 2005

Open Innovation Challenges

India Ayurveda

T. V. Padma1

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Science and business are racing to tap the 3,000-year-old system of medicine for new drugs, says T. V. Padma.

In November 1987, ethnobotanist Palpu Pushpangadan was trekking through the tropical forests in the southern Indian state of Kerala. Pushpangadan and his colleague were struggling to keep up, but their guides, men from the local Kani tribe, kept popping brownish-black fruit about the size of a cardamom pod into their mouths, and walking briskly ahead.