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Study on Determination of Glucose in Amylofermentation Liquid Using Ultraviolet Spectrophotometry

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Abstract:

In the presence of glucose oxidase, glucose in samples was oxygenated to hydrogen peroxide, the solution turned from colourless to yellow upon the reaction of potassium titanyl oxalate to the generated hydrogen peroxide. Using ultraviolet spectrophotometry, a new optical method for detecting glucose in amylofermentation liquid has been established. Results demonstrated that glucose concentrations were proportional to absorbance at the maximum absorption wavelength of 380 nm. A favorable linearity was presented in the range of 1 mmol/L to 60 mmol/L. The linear coeffciency was 0.993. This method was simple, reliable, and could be used for determing glucose in samples.

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Periodical:

Advanced Materials Research (Volumes 538-541)

Pages:

2434-2437

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.538-541.2434

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Online since:

June 2012

Authors:

Bao Shan He, Na Gao, Fang Wei, Qi Yu Lu

Keywords:

Glucose, Glucose Oxidase, Potassium Titanyl Oxalate, Ultraviolet Spectrophotometry

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© 2012 Trans Tech Publications Ltd. All Rights Reserved

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