固态培养条件下聚氨酯基质对真菌单宁酶和没食子酸产生的影响。
Effects of polyurethane matrices on fungal tannase and gallic acid production under solid state culture.
作者信息
Trevino Lucia, Contreras-Esquivel Juan C, Rodríguez-Herrera Raul, Aguilar Cristóbal Noé
机构信息
Department of Food Research, Autonomous University of Coahuila, Saltillo, Coahuila 25000, Mexico.
出版信息
J Zhejiang Univ Sci B. 2007 Oct;8(10):771-6. doi: 10.1631/jzus.2007.B0771.
Abstract
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.
摘要
评估了聚氨酯基质的物理结构作为固态培养中黑曲霉Aa-20生产单宁酶和积累没食子酸的支撑体的影响。使用了三种不同的聚氨酯基质作为支撑体：连续的、半连续的和不连续的。在培养的前12小时内，使用不连续基质获得了最高的单宁酶产量，为2479.59 U/L。在不连续基质中没食子酸的积累量为7.64 g/L。结果表明，在固态培养生物过程中，聚氨酯的不连续基质比连续和半连续基质更有利于单宁酶的生产和没食子酸的积累。
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