tannin

There are no harsh tannins, even when it is young.

Several of these rivers run red due to tannin in the water.

But our chemists say tannin may be only part of the story.

However, the tannins are least abundant in the younger leaves.

Once the trees started to produce more tannin, they had to stop eating it.

Iron and tannins often give spring water an orange color.

It takes three or four years in the bottle for the fruit and the tannin to come together.

The plant is rich in tannin, and can be used as a source of fuel.

So, little could be done about controlling tannin and alcohol in wine.

Tannins, which can take years to soften, more than anything determine the age of a wine.

The global tannins production has been estimated of 200,000 tons per year.

These species provide tannin and a very hard, durable timber.

Skin darkened with tannin pills, just like the rest of us.

Tannins are also used in the treatment of leather, to make it more durable.

The tannins were tough to take, a bit like chewing on a shoe, actually.

This has the side effect of adding tannins with more green and bitter character.

Some flowers release tannin, which makes the water go cloudy.

Tannins can increase the amount of sodium that the body retains.

The dark tannins in the fresh water layer makes it difficult for light to penetrate.

Tannins are a mixture of large and medium size molecules.

It too might profit from a little more tannin.

The tannin from its bark was used to tan leather.

All colour and tannins come from the skin of the grape.

Oak leaves have a high content of a compound called tannin.

My wines have lots of tannins, I admit that, too.