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EnglishBACKGROUND: The raspberry, Rubus idaeus L., provides several plant parts (as buds) used for food supplements. The aim of this researchwas to establish a technique for chemical composition control of R. idaeus herbal preparations, using chromatographic methods. These methods allowed us to identify and quantify the main phytochemicals, obtaining a specific phytochemical fingerprint (phytocomplex). Combined with two different chemometric methods – clustering analysis and principal component analysis – the raspberry bud extracts of the different cultivars were efficiently characterized. RESULTS: Rubus idaeus buds were identified as a rich source of anti-inflammatory and antioxidant compounds: organic acids, vitamins and catechins were found to be the most discriminating variables by chemometric techniques to differentiate raspberry cultivars. In particular, catechins (13.25%) and flavonols (8.71%) were the most important polyphenolic classes, followed by cinnamic and benzoic acids. CONCLUSION: This study developed a useful tool for R. idaeus extract phytochemical characterization that could be applied also for differentiation and composition control of other herbal preparations.
| Titolo: | Analytical fingerprint and chemometrics as phytochemical composition control tools in food supplement analysis: characterization of raspberry bud preparations of different cultivars | |
| Autori Riconosciuti: | ||
| Autori: | Donno, Dario; Gabriele L Beccaro; Carlen, Christoph; Ançay, André; Cerutti, Alessandro K; Maria Gabriella Mellano; Bounous, Giancarlo | |
| Data di pubblicazione: | 2016 | |
| Abstract: | BACKGROUND: The raspberry, Rubus idaeus L., provides several plant parts (as buds) used for food supplements. The aim of this researchwas to establish a technique for chemical composition control of R. idaeus herbal preparations, using chromatographic methods. These methods allowed us to identify and quantify the main phytochemicals, obtaining a specific phytochemical fingerprint (phytocomplex). Combined with two different chemometric methods – clustering analysis and principal component analysis – the raspberry bud extracts of the different cultivars were efficiently characterized. RESULTS: Rubus idaeus buds were identified as a rich source of anti-inflammatory and antioxidant compounds: organic acids, vitamins and catechins were found to be the most discriminating variables by chemometric techniques to differentiate raspberry cultivars. In particular, catechins (13.25%) and flavonols (8.71%) were the most important polyphenolic classes, followed by cinnamic and benzoic acids. CONCLUSION: This study developed a useful tool for R. idaeus extract phytochemical characterization that could be applied also for differentiation and composition control of other herbal preparations. | |
| Volume: | 96 | |
| Pagina iniziale: | 3157 | |
| Pagina finale: | 3168 | |
| Digital Object Identifier (DOI): | 10.1002/jsfa.7494 | |
| Parole Chiave: | Rubus idaeus; bioactive compounds; traceability; chemometrics; HPLC | |
| Rivista: | JOURNAL OF THE SCIENCE OF FOOD AND AGRICULTURE | |
| Appare nelle tipologie: | 03A-Articolo su Rivista |
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http://hdl.handle.net/2318/1528553
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