ArticleFood science & nutrition2020
Studies on qualitative and quantitative detection of trehalose purity by terahertz spectroscopy.
Article in Food science & nutrition, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
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4 citing papers in PubMed, 10 citations in OpenAlex.
- Trehalose and its dihydrate: terahertz insights from solid to solution states.Biomedical optics express · 2024Article
- Terahertz Spectroscopic Identification of Roast Degree and Variety of Coffee Beans.Foods (Basel, Switzerland) · 2024Article
- Progress in application of terahertz time-domain spectroscopy for pharmaceutical analyses.Frontiers in bioengineering and biotechnology · 2023Review
- Studies on qualitative and quantitative detection of trehalose purity by terahertz spectroscopy.Food science & nutrition · 2020Article
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Authors and funding
6 authors at 2 institutions in 1 country.
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Abstract
Terahertz spectroscopy was used to qualitatively and quantitatively analyze four samples (three brands) of trehalose produced in China and other countries. The results show that the main characteristic peak was greatly affected by concentration, and the optimal detection concentration of trehalose was determined to be 25%-55% by transmission scanning. There were six significant characteristic absorption peaks in the trehalose spectrum, meaning that terahertz spectroscopy can be used for qualitative analysis, analogous to infrared spectroscopy. Moreover, the terahertz spectrum can effectively distinguish the three isomers of trehalose, whereas infrared spectroscopy cannot. Thus, it was found that the current commercially available trehalose is the α,α-isomer. Quantitative analysis of the three brands of trehalose using terahertz spectroscopy matched the purity trends found by high-performance liquid chromatography analysis, with the order of purity from highest to lowest being TREHA, Pioneer, and Huiyang. The actual quantitative values did differ between the two detection methods, but the variation in the values from the same sample obtained by the two detection methods was less than 5%, confirming that terahertz spectroscopy is very suitable for the rapid and relative quantitative detection of trehalose.
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