Food plants provide a regulated source of delivery of functional compounds, plant secondary metabolites production being also tissue specific. In grape berries, the phenolic compounds, flavonoids and non-flavonoids, are distributed in the different parts of the fruit. The aim of this study was to investigate the applicability of FTIR and Raman screening spectroscopic techniques combined with multivariate statistical tools to find patterns in red grape berry parts (skin, seeds and pulp) according to grape variety and vineyard type (organic and conventional). Spectral data were acquired and processed using the same pattern for each different berry part (skin, seeds and pulp). Multivariate analysis has allowed a separation between extracts obtained from organic and conventional vineyards for each grape variety for all grape berry parts. The innovative approach presented in this work is low-cost and feasible, being expected to have applications in studies referring to the authenticity and traceability of foods. The...
Vibrational spectroscopy combined with chemometrics as tool for discriminating organic vs. conventional culture systems for red grape extracts.
R. L. Olteanu, Institute of Multidisciplinary Research for Science and Technology, Valahia University of Targoviste, 130004 Targoviste, Romania. E-mail email@example.com
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Radulescu, C., Olteanu, R. L., Nicolescu, C. M., Bumbac, M., Buruleanu, L. C., Holban, G. C.; Vibrational spectroscopy combined with chemometrics as tool for discriminating organic vs. conventional culture systems for red grape extracts.. IFIS Food and Health Sciences Database 2022; doi:
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