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5 résultats
HPLC Fingerprint Combined with Quantitation of Phenolic Compounds and Chemometrics as an Efficient Strategy for Quality Consistency Evaluation of Sambucus nigra Berries.
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Sambucus nigra L. berries have been traditionally used as culinary and medicinal ingredients. To ensure the highest quality of elderberry plant products for consumers, the objective of this study was to develop a HPLC fingerprint procedure for quality consistency evaluation of S. nigra berries
Edible Flowers: A Rich Source of Phytochemicals with Antioxidant and Hypoglycemic Properties.
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Edible flowers are receiving renewed interest as rich sources of bioactive compounds. Ethanol extracts of eight edible flowers were phytochemically characterized and investigated for their bioactivity. Rutin, quercetin, luteolin, kaempferol, and myricetin were selected as standards and quantified by
HPLC-MSn identification and quantification of flavonol glycosides in 28 wild and cultivated berry species.
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Berries and red fruits are rich dietary sources of polyphenols with reported health benefits. More than 50 different flavonols (glycosides of quercetin, myricetin, kaempferol, isorhamnetin, syringetin and laricitrin) have been detected and quantified with HPLC-MS(n) in fruits of blueberry, bilberry,
[The phenolics of fruits. VIII. Changes in flavonol concentrations during fruit development (authors transl)].
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In black currants the contents of quercetin- and especially of myricetin glycosides increased during ripeness very considerably. The myricetin level in ripe fruits of cultivated blueberries and the quercetin level in ripe berries of privet was higher than in unripe. However, the concentrations of
The Phenolic Contents and Antioxidant Activities of Infusions of Sambucus nigra L.
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The aim of this work was to evaluate the antioxidant potential of teas prepared from twenty-four commercially available berries and flowers of Sambucus nigra L. in relation to their phenolic profile, as reflected by the most representative phenolic acids (caffeic, chlorogenic, p-coumaric, ferulic,
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