کد مقاله کد نشریه سال انتشار مقاله انگلیسی نسخه تمام متن
683224 888997 2010 7 صفحه PDF دانلود رایگان
عنوان انگلیسی مقاله ISI
Kinetics of d-lactic acid production by Sporolactobacillus sp. strain CASD using repeated batch fermentation
موضوعات مرتبط
مهندسی و علوم پایه مهندسی شیمی تکنولوژی و شیمی فرآیندی
پیش نمایش صفحه اول مقاله
Kinetics of d-lactic acid production by Sporolactobacillus sp. strain CASD using repeated batch fermentation
چکیده انگلیسی

d-Lactic acid was produced by Sporolactobacillus sp. strain CASD in repeated batch fermentation with one- and two-reactor systems. The strain showed relatively high energy consumption in its growth-related metabolism in comparison with other lactic acid producers. When the fermentation was repeated with 10% (v/v) of previous culture to start a new batch, d-lactic acid production shifted from being cell-maintenance-dependent to cell-growth-dependent. In comparison with the one-reactor system, d-lactic acid production increased approximately 9% in the fourth batch of the two-reactor system. Strain CASD is an efficient d-lactic acid producer with increased growth rate at the early stage of repeated cycles, which explains the strain’s physiological adaptation to repeated batch culture and improved performance in the two-reactor fermentation system. From a kinetic point of view, two-reactor fermentation system was shown to be an alternative for conventional one-reactor repeated batch operation.

ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Bioresource Technology - Volume 101, Issue 16, August 2010, Pages 6499–6505
نویسندگان
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