Tannin Content of the Bark and Branch of Caatinga Species
Tarcila Rosa da Silva Lins, Rafael Leite Braz, Thiago Cardoso Silva, Emmanoella Costa Guaraná Araujo, Jordânia Xavier de Medeiros, Cibelle Amaral Reis
Journal of Experimental Agriculture International · pp. 1–8 · Published 15 Feb 2019
10.9734/jeai/2019/v31i130061Abstract
This research aimed to determine the concentration of tannins in the bark and in the branches of ten species of Caatinga occurrence. The Folin-Denis colorimetric method was used to determine the phenol content and the tannins are precipitated using a protein. The tannin content was obtained by the difference between the supernatant and the non-tannic phenol content. The data were subjected to the Shapiro-Wilk normality’s test and after, to Analysis of Variance using a 2x10 factorial design and Turkey’s test was used to detect differences. For bark sample, the species Parapiptadenia zehntneri, Parapiptadenia rigida and Libidibia ferrea presented the three highest percentages among the studied species, being 10.84%, 10.74% and 10.27%, respectively. For branch sample, Aspidosperma pyrifolium presented the highest percentage of tannins among the ten species, with 9.15% of these substances. It is possible to suggest the use of other parts of the tree to extract the tannins, such as the branches and their bark, offering an alternative for the extraction that is usually made from the main trunk and providing sustainability to the Caatinga.
Cited by 7
Laise de Jesus dos Santos, E. da Silva Aráujo, Mário Sérgio Lorenço · Holzforschung · 2023
T. C. Silva, R. L. Braz, E. C. G. Araujo · FLORESTA · 2021
E. Alamu, B. Olaniyan, B. Maziya-Dixon · Foods · 2021
T. C. Silva, E. C. G. Araujo, Tarcila Rosa da Silva Lins · Sustainability · 2020
N. Macêdo, Zildene de Sousa Silveira, Antonio Henrique Bezerra · Molecules · 2020
Laise de jesus dos santos, Elesandra da Silva Araujo, Mário Sérgio Lorenço · 2023
Diná Garcia de Souza, Débora Baiocchi Princivalli Campos, João Gilberto Mesa Ucella Filho · Nativa · 2019
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