Comparative Fingerprint of Aromatic Herbs and Yeast Alcoholic Extracts used as Ingredients for Promen, a Prostate Preventive Nutraceutical
2013
Csernatoni, Florina | Socaciu, Carmen | Pop, Raluca | Ranga, Floricuta | Bunghez, Florina | Romanciu, Florina
The aim of this study was to characterize and identify different bioactive compounds in plant sources and yeast powders to obtain an original nutraceutical (Promen) which has beneficial effects in prostate disease prevention. Seven plant and fruit sources, namely nettle (Urtica dioica), green tea (Camellia sinensis), fluff with small flowers (Epilobium parviplorum), tomato (Solanum licopersicum), sea buckthorn (Hippophae rhamnoides), pumpkin (Cucurbita maxima), sunflower (Helianthus annus) and lyophilized beer yeast (Saccharomyces cerevisiae) were investigated. Methanolic extracts were prepared using 15% plant concentration and the purified fractions were analyzed using high throughput techniques like UV-VIS spectroscopy, high performance liquid chromatography coupled with photodiode array detection (HPLC-DAD) and mass spectrometry LC-QTOF -MS. The majority of the investigated plants were rich in phenolic derivatives, polyphenols (flavonoid glucosides), while yeast was rich in aminoacids, peptides and vitamins B. The major compounds identified were: Juglone, Resveratrol, Quercetin, Epigallocatechin, Gallocatechin, Biochanin A, Isorhamnetin 3-O-glucoside 7-O-rhamnoside, Quercetin 3-O-galactoside 7-O-rhamnoside, Kaempferol 3,7-O-diglucoside and p-Coumaroylquinic acid. The specific biomarkers were identified for both plant extracts used as ingredients to obtain an nutraceutical Promen. Combined UV-Vis spectroscopy, HPLC-PDA chromatography and LC-MS spectrometry are recommended as accurate, sensible and reliable tools to investigate the plants and nutraceutical fingerprints and to predict the relation between ingredients composition and their health effects.
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