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Journal of Zhejiang University SCIENCE B 2007 Vol.8 No.10 P.771-776


Effects of polyurethane matrices on fungal tannase and gallic acid production under solid state culture


Affiliation(s):  Department of Food Research, Autonomous University of Coahuila, Saltillo, Coahuila 25000, Mexico

Corresponding email(s):   cag13761@mail.uadec.mx

Key Words:  Tannase, Gallic acid, Polyurethane matrix support, Solid state culture, Aspergillus niger Aa-20

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TREVIŇO Lucia, CONTRERAS-ESQUIVEL Juan C., RODRÍGUEZ-HERRERA Raul, AGUILAR Cristóbal Noé. Effects of polyurethane matrices on fungal tannase and gallic acid production under solid state culture[J]. Journal of Zhejiang University Science B, 2007, 8(10): 771-776.

@article{title="Effects of polyurethane matrices on fungal tannase and gallic acid production under solid state culture",
journal="Journal of Zhejiang University Science B",
publisher="Zhejiang University Press & Springer",

%0 Journal Article
%T Effects of polyurethane matrices on fungal tannase and gallic acid production under solid state culture
%A O Lucia
%A bal Noé
%J Journal of Zhejiang University SCIENCE B
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%D 2007
%I Zhejiang University Press & Springer
%DOI 10.1631/jzus.2007.B0771

T1 - Effects of polyurethane matrices on fungal tannase and gallic acid production under solid state culture
A1 - O Lucia
A1 - AGUILAR Cristó
A1 - bal Noé
A1 -
J0 - Journal of Zhejiang University Science B
VL - 8
IS - 10
SP - 771
EP - 776
%@ 1673-1581
Y1 - 2007
PB - Zhejiang University Press & Springer
ER -
DOI - 10.1631/jzus.2007.B0771

The influence of the physical structure of polyurethane matrix as a support in a solid state culture in tannase production and gallic acid accumulation by Aspergillus niger Aa-20 was evaluated. Three different polyurethane matrices were used as the support: continuous, semi-discontinuous and discontinuous. The highest tannase production at 2479.59 U/L during the first 12 h of culture was obtained using the discontinuous matrix. The gallic acid was accumulated at 7.64 g/L at the discontinuous matrix. The results show that the discontinuous matrix of polyurethane is better for tannase production and gallic acid accumulation in a solid state culture bioprocess than the continuous and semi-discontinuous matrices.

Darkslateblue:Affiliate; Royal Blue:Author; Turquoise:Article


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