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Article
Characterization of the aroma-active compounds in Daqu: a tradition Chinese liquor starter
Daqu is a fermentation starter and substrate complex that is used to initiate the solid fermentations for the production of Chinese liquor. The aroma of Daqu is one of the most important factors that influence...
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Article
Nutrient regulation of bacterial growth and production of anti-tumor metabolites in Stigmatella WXNXJ-B fermentation
The metabolites produced by Stigmatella WXNXJ-B inhibited the growth of tumor cells. The aims of this research were to evaluate the inhibition potency to different tumor cell lines and to study the effects of amm...
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Article
Modeling and optimization of cutinase production by recombinant Escherichia coli based on statistical experimental designs
Statistics-based experiment designs were used to optimize the culture medium (glucose, yeast extract, IPTG, tween-60, and CaCl2) for cutinase production by recombinant Escherichia coli. A 25-1 fractional factoria...
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Article
Determination of ochratoxin A by polyclonal antibodies based sensitive time-resolved fluoroimmunoassay
Using indirect competitive time-resolved fluoroimmunoassay (TRFIA), a rapid, highly selective and extremely sensitive method has been established for the determination of ochratoxin A (OA). Tests can be perfor...
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Article
Characterization and gene cloning of a novel β-mannanase from alkaliphilic Bacillus sp. N16-5
An alkaline β-mannanase was purified to homogeneity from a culture broth of alkaliphilic Bacillus sp. N16-5. The enzyme had optimum activity at pH 9.5 and 70°C. It was composed of a single polypeptide chain with ...
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Article
Synthesis of phosphatidylglycerol from soybean lecithin with immobilized phospholipase D
Phosphatidylglycerol (PG) was synthesized from soybean lecithin with the help of phospholipase D (PLD) that was immobilized with calcium alginate gel-enveloped polyethyleneimine-glutarald ehyde. The immobiliza...