In English, many things are named after a particular country – but have you ever wondered what those things are called in those countries?
1ácido tánico masculino
- Tannin, or tannic acid, is the substance in the redwood that makes it resistant to fungus and termites.
- The samples were then kept at - 80°C for 24 h in a precooled solution of 0.1% tannic acid in anhydrous acetone.
- This seems to be particularly important for Salix species, since this genus is known for its low content of tannic acid, which protects other woody plants against infection.
- Organic agents, such as tannic acid or formaldehyde are also effective.
- Extensive studies have shown that treatment with acaricides (chemical agents that kill dust mites) or tannic acid to denature dust mite allergens is only minimally effective and must be repeated frequently.
- Experienced tea drinkers such as myself insist that the tea should not be stirred while it is steeping to prevent the tannic acid from coming out of the leaves, which renders a bitter taste.
- Treating carpets with tannic acid or benzyl benzoate can remove some dust mite residue, but such chemicals must be applied repeatedly and can worsen allergies in some people.
- Oak, for example, is laden with tannic acid.
- Chestnuts must be boiled or roasted before eating due to their high levels of tannic acid.
- ‘The tannic acid in the bog is a natural preservative for skin and leather,’ said a biblical archaeologist at the University of Puget Sound in Tacoma, Washington.
- They decided to use proline and hydroxyproline embedded in a solid state, and previous experiments had demonstrated that gelatin had high affinities to tannin and tannic acid derived from sorghum.
- Condensed and hydrolysable tannins were measured (three-fold replication per plant) in fresh leaves by the radial diffusion method with tannic acid as standard.
- All tissue blocks were then impregnated with 2.5% tannic acid for 2 days.
- Discoloration of the teeth occurs in about 50% of patients with long-term administration and is similar to tooth staining associated with smoking tobacco or consuming drinks containing tannic acids, such as tea, coffee, and wine.
- Glutaraldehyde and tannic acid also may be used topically, but they can cause skin irritation and brownish skin discoloration.
- Given recent concerns about the purity of tannic acid as a standard in tannin analysis, we used bulk purified oak tannin as the standard for gallotannin and proanthocyanidin analyses.
- One researcher I know says the tannic acid and theobromine in tea help remove heat from sunburn.
- Black tea is high in tannic acid, which retains moisture and keeps lips smooth and taut.
- The lead author suggests using toothpaste for sensitive teeth and drinking more tea (its tannic acid can temporarily reduce discomfort).
- Cells were post-fixed with 0.5% osmium tetroxide in phosphate buffer for 1 h at 4°C, washed and treated with tannic acid.
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