Extractive determination of bioactive flavonoids from butterfly pea (Clitoria ternatea Linn.)

Extractive determination of bioactive flavonoids from butterfly pea (Clitoria ternatea Linn.) Keywords Antioxidant activity  Butterfly pea  Clitoria ternatea  Extractive effect of solvent  Flavonoid  HPLC analysis Introduction Methods for extraction of phenolic compounds from plant sources vary widely due to the complex nature of the sample matrix and because different plant materials contain different forms of flavonoid compounds [1]. A natural source with high phenolic content and high biological activity is a prerequisite for industrial-scale production. Phytochemical yield and antioxidant capacity are significantly influ- enced by the solvents used for extraction, due to their varying dielectric properties and extraction efficiency, as well as the structural variability of the compounds targeted in the process [2, 3]. Traditional heating reflux is widely used for extraction of phenolics from plant sources because of its easy operation. However, proper selection of solvents, optimum solid-to-liquid ratio, and duration and temperature of extraction is imperative to achieve high efficiency. Hence, such procedures should be standardized for maximum extraction to provide the real composition and optimal level of flavonoids from plants [1, 4]. Flavonoids are the most widely distributed, ubiquitous plant secondary metabolites, mainly existing in the form of glycoside conjugates. Their chromatographic analysis generates a large number of peaks, making individual flavonoid http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Research on Chemical Intermediates Springer Journals

Extractive determination of bioactive flavonoids from butterfly pea (Clitoria ternatea Linn.)

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Springer Netherlands
Copyright © 2016 by Springer Science+Business Media Dordrecht
Chemistry; Catalysis; Physical Chemistry; Inorganic Chemistry
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