A: Tea contains tannic acid. This compound is responsible for the distinctive astringent taste of tea. It also strengthens the skin’s barrier against sweat permeating the outer layers ...
In this study, the tannic acid-mediated crosslinking of the outer layer of collagen is proposed as strategy to enable collagen filament extrusion. For this purpose, a tannic acid solution has been ...
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The following media were used: Pure water, 1 per cent aqueous solution of tannic acid or detergent, glycerine, paraffin oil and dense bromoform (specific gravity 2.8). The bromoform seemed to have ...