Cheap, sustainable battery made from tree bark tannins

(Phys.org)—Tannins may be best known for their presence in red wine and tea, but in a new study researchers have demonstrated for the first time that tannins from tree bark can also serve as battery cathode materials. As ...

Tannins in sorghum and benefits focus of genetic research

They might be called a blessing or a curse -- tannins, which are present in certain sorghums, contain health-promoting antioxidant properties, but also provide a bitter taste and decreased protein digestibility. To better ...

New cell component important to tea and wine-making

Scientists have discovered where plants build tannins, complex chemicals used by plants for defence and protection. The source is the tannosome, a newly discovered organelle that is found in most land plants.

Why some red wines taste 'dry'

Wine connoisseurs can easily discriminate a dry red wine, such as Cabernet Sauvignon, from a fruitier red, like Pinot Noir. Scientists have long linked the "dryness" sensation in wine to tannins, but how these molecules create ...

Topsy-turvy wine weather makes grape sorters shine

A topsy-turvy growing season, which zigzagged from drought to hail to heat wave, produced a distressingly mixed crop in Bordeaux this year -- but gave optical grape sorters a chance to shine.

Researchers discover how plants assemble tannins

Tannins in plants have health benefits and impact the taste of fruits and drinks like tea and wine. While tannins themselves are well known, no one has ever known how plants actually put them together—until now. A team ...

A new process for full utilization of softwood bark

In the Finnish mechanical and chemical forestry industry, three million tonnes of softwood bark are produced annually, presently mainly used for energy production. Using a method developed by VTT, a high yield of pure tannins ...

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