Quantification of total polyphenol content in wine lees by conventional optical and photoacoustic spectroscopy
The He-Ne laser (632.8 nm) and photoacoustic spectroscopy (PAS), a variant of the photothermal methods, were combined with the Folin-Ciocalteu colorimetry method to determine total phenolics in wine lees. Utilising this method we found that the total polyphenol content of the nine selected wine lee...
Main Authors: | Ottó Dóka, Gitta Ficzek, Gergely Simon, Zsolt Zsófi, Szabolcs Villangó, György Végvári |
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Format: | Article |
Language: | English |
Published: |
International Viticulture and Enology Society
2023-05-01
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Series: | OENO One |
Subjects: | |
Online Access: | https://oeno-one.eu/article/view/7178 |
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