Effect of tannic acid treatment on the physico-chemical properties of glutaraldehyde-fixed bovine jugular vein / 中国医学科学院学报

ABSTRACT

<p><b>OBJECTIVE</b>To evaluate the effects of tannic acid (TA) treatment on the physico-chemical properties of glutaraldehyde (Glut)-fixed bovine jugular vein (BJV).</p><p><b>METHODS</b>Fresh BJVs were treated with Glut or Glut/TA, respectively. The shrinkage temperature, resistance to collagenase or elastase digestion, bio-mechanical properties, and molecular structure of these prepared BJVs were evaluated by Fourier transform infrared spectroscopy.</p><p><b>RESULTS</b>TA treatment resulted in higher shrinkage temperature (P < 0.01), higher resistance to collagenase or elastase digestion (P < 0.01), slightly increased tensile strength (P < 0.01), and elongation at break (P < 0.05) in Glut/TA BJV walls when compared with those of Glut group. Chemical bonds existed between TA and JBV tissue.</p><p><b>CONCLUSION</b>TA treatment can effectively improve the physicochemical properties of Glut-fixed BJVs.</p>