Tannic acid, he says, is a natural antibacterial agent that may reduce the chance of getting athlete's foot.

The natural agents of fluctuation include waves, tides, currents, and winds.

This mode of action is also shared with another natural agent called colchicine.

The goal is to prevent the bananas from producing their natural ripening agent, ethylene.

And some dairies add annatto, a natural agent, to intensify the color.

These informationally embodied organisms are also called natural agents.

For example, it is widely promoted that "natural" or "organic" agents are more healthy.

Strømnæs was said to be a "natural agent", and he had a very relaxed tone with his agents.

Once you join the navy, you cease to be a "natural free agent."

Recent studies have shown that velvet contains large amounts of minerals with natural anti-inflammatory agents.