A UV/Vis spectrophotometric methodology for quality control of stevia-based extracts in the food industry

Tsotsou, Georgia Eleni; Potiriadi, Ioanna

doi:10.1016/j.foodcont.2022.108932

Cited by 6 publications

(1 citation statement)

References 26 publications

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“…The method was simple, accurate, and reliable. The approach presented in [ 9 ] realized the quality control of stevia extract in the food industry based on UV/visible spectrophotometry, and this method had very good consistency and acceptable deviation, providing a new way for the quality control of stevia extract. Dihydrocoumarin is a type of food additive, which is widely used in spices, food, cosmetics, agriculture, and other fields.…”

Section: Introductionmentioning

confidence: 99%

Detection of Dihydrocoumarin in Coconut Juice via Photoelectric Detection System Based on Ultraviolet Absorption Spectrometry

Wang

et al. 2022

Sensors

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Based on ultraviolet absorption spectroscopy technology combined with stoichiometry, a portable photoelectric detection system with wireless transmission was designed with the advantages of simple operation, low cost, and quick response to realize the non-destructive detection of dihydrocoumarin content in coconut juice. Through the detection of a sample solution, the light intensity through the solution is measured and converted into absorbance. Particle swarm optimization (PSO) is applied to optimize support vector regression (SVR) to establish a corresponding concentration prediction model. At the same time, in order to solve the shortcomings of the conventional portable photoelectric detection equipment in data storage, data transmission, and other aspects, based on the optimal PSO-SVR model, we used Python language to develop a friendly graphical user interface (GUI), integrating data collection, storage, analysis, and prediction modeling in one, greatly simplifying the operation process. The experimental results show that, compared with the traditional methods, the system achieves the purpose of rapid and non-destructive detection and has a small gap compared with the detection results of the ultraviolet spectrophotometer. It provides a good method for the determination of dihydrocoumarin in coconut juice.

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Section: Introductionmentioning

confidence: 99%