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Effect of passive transport of water through plasma membrane in production of extracellular enzyme

机译：水通过质膜的被动输送对细胞外酶产生的影响

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摘要

In this article, availability and control of water in solid-state fermentation (SSF) were investigated. Based on passive transport of water through plasma membranes, a new model was proposed for calculation and control of water activities in the mixture of solids. The validity of theoretical model and accuracy of the proposed model were proved by experimental data. This model was used for production of pectinases via mixed-SSF with the aid of a rotary drum bioreactor. It was found that in case of extracellular enzyme production, the new model is in good agreement with experimental data for the control of water activities in the mixed-SSF. Exact control of water activity in SFF, the production of endo-and exo-pectinases was relatively enhanced. Based on theoretical view point, the prominence of this new model in control of water activity was also proved.
机译：在本文中，研究了固态发酵（SSF）中水的可用性和控制。基于水通过质膜的被动传输，提出了一种计算和控制固体混合物中水活度的新模型。实验数据证明了理论模型的有效性和所提模型的准确性。该模型通过旋转鼓式生物反应器用于通过混合SSF生产果胶酶。发现在产生细胞外酶的情况下，新模型与用于控制混合SSF中水活度的实验数据非常吻合。 SFF中水活度的精确控制，内果胶和外果胶酶的产生相对增强。基于理论观点，也证明了该新模型在水分活度控制中的重要性。

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