Extraction of tannin by Acacia mearnsii with supercritical fluids

Author:

Pansera Marcia Regina1,Iob Gelson Antonio1,Atti-Santos Ana Cristina2,Rossato Marcelo2,Atti-Serafini Luciana2,Cassel Eduardo3

Affiliation:

1. Universidade de Caxias do Sul, Brazil

2. Universidade de Caxias do Sul, Brazil; Universidade de Caxias do Sul, Brazil

3. Pontifícia Universidade Católica do Rio Grande do Sul, Brazil

Abstract

Studies were carried out on solvent and supercritical extraction to obtain natural tannins. The results showed that the best co-solvent to extract tannin with CO2 supercritical was water with a concentration of 5.0% and the best trap rinse solvent was methanol.

Publisher

FapUNIFESP (SciELO)

Subject

Multidisciplinary

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4. Do tannins in leaves of trees and shrubs from African and Himalayan regions differ in level and activity?;Markkar H. P. S.;Agroforestry Systems,1998

5. Tannins from Mimosid Legumes of Texas and Mexico;Readel K.;Economic Botany,2001

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