In one case, the extract of a plant traditionally given to control thirst is to be marketed by a pharmaceutical company as an appetite suppressant.

BBC: Patent protection for traditional African remedies

The study measured the effect of three different combinations of black cohosh, an extract from the roots of a plant native to North America.

NPR: Menopause Study: Herbal Remedies Don't Help

This fall Southeast plans to break ground on a plant that will extract the sugar and ferment it into 20 million gallons of ethanol a year.

FORBES: International

But the only firm that achieved any success was Novartis, which in 1998 developed Coartem, an antimalarial drug that combines artemisinin, an extract from the sweet wormwood plant, with a compound called lumefantrine.

FORBES: Magazine Article

That rock also had to be crushed, then transported to a plant where it was cooked to extract the oil and gas.

NPR: Industry Seeks to Extract Oil from Rocky Mountain Shale

Memory-Plus, an extract from the supposedly memory-enhancing brahmi plant, is popular among India's overburdened students.

CNN: SPECIAL REPORT: HEALTH

The key additives in Organic Choice soil: chicken manure and yucca plant extract, a wetting agent.

FORBES: Magazine Article

Researchers at Virginia Tech have found a way to efficiently extract hydrogen from plant materials, overcoming one of the obstacles that led the Obama Administration to put hydrogen fuel-cell technology on the back burner.

FORBES: Could Hydrogen Breakthrough Revive The Fuel-Cell Car?