Authors:
J. Santana Romero Instituto Superior de Ciencias y Tecnología Nucleares Ave. Salvador Allende y Luaces, Quinta de Los Molinos A.P. 6163 Plaza, Ciudad de La Habana Cuba

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F. Martínez Luzardo Instituto Superior de Ciencias y Tecnología Nucleares Ave. Salvador Allende y Luaces, Quinta de Los Molinos A.P. 6163 Plaza, Ciudad de La Habana Cuba

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E. Codorniú Hernández Instituto Superior de Ciencias y Tecnología Nucleares Ave. Salvador Allende y Luaces, Quinta de Los Molinos A.P. 6163 Plaza, Ciudad de La Habana Cuba

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L. Vargas Guerra Instituto Superior de Ciencias y Tecnología Nucleares Ave. Salvador Allende y Luaces, Quinta de Los Molinos A.P. 6163 Plaza, Ciudad de La Habana Cuba

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P. Melo Cala Instituto Superior de Ciencias y Tecnología Nucleares Ave. Salvador Allende y Luaces, Quinta de Los Molinos A.P. 6163 Plaza, Ciudad de La Habana Cuba

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M. García Guillén Instituto Superior de Ciencias y Tecnología Nucleares Ave. Salvador Allende y Luaces, Quinta de Los Molinos A.P. 6163 Plaza, Ciudad de La Habana Cuba

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K. Isaac Olivé Instituto Superior de Ciencias y Tecnología Nucleares Ave. Salvador Allende y Luaces, Quinta de Los Molinos A.P. 6163 Plaza, Ciudad de La Habana Cuba

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P. Estevez Instituto de Sueros y Vacunas Carlos J. Finlay Ciudad de La Habana Cuba

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A. Roque Córdoba Instituto de Sueros y Vacunas Carlos J. Finlay Ciudad de La Habana Cuba

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M. Benítez Instituto Superior de Ciencias y Tecnología Nucleares Ave. Salvador Allende y Luaces, Quinta de Los Molinos A.P. 6163 Plaza, Ciudad de La Habana Cuba

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Abstract  

Vegetable tannins are polyphenolic plants secondary metabolites, widely distributed in all parts of trees and herbs. The role of these substances in many metabolic processes is very important. Vegetable tannins have been implicated as probable antinutritional factors, decreasing the assimilation of diet protein assimilation by cattle. On the other hand, protective antioxidant and antimutagenic properties have been ascribed for these compounds. Characterization of vegetable tannins is important in order to find new sources of natural raw materials with medical and pharmaceutical applications. Protein precipitation capacity as a function of pH, competitive protein and ADN binding assays and the determination of tannins concentration are described. Radioisotope labeled protein and tannins were used in all of the determinations.

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Journal of Radionalytical and Nuclear Chemistry
Language English
Size A4
Year of
Foundation
1968
Volumes
per Year
1
Issues
per Year
12
Founder Akadémiai Kiadó
Founder's
Address
H-1117 Budapest, Hungary 1516 Budapest, PO Box 245.
Publisher Akadémiai Kiadó
Springer Nature Switzerland AG
Publisher's
Address
H-1117 Budapest, Hungary 1516 Budapest, PO Box 245.
CH-6330 Cham, Switzerland Gewerbestrasse 11.
Responsible
Publisher
Chief Executive Officer, Akadémiai Kiadó
ISSN 0236-5731 (Print)
ISSN 1588-2780 (Online)