2012
DOI: 10.1100/2012/923462
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Total Flavonoids Content in the Raw Material and Aqueous Extractives fromBauhinia monandraKurz (Caesalpiniaceae)

Abstract: The aim of this work was to evaluate the spectrophotometric methodology for determining the total flavonoid content (TFC) in herbal drug and derived products from Bauhinia monandra Kurz. Several analytical parameters from this method grounded on the complex formed between flavonoids and AlCl3 were evaluated such as herbal amount (0.25 to 1.25 g); solvent composition (ethanol 40 to 80%, v/v); as well as the reaction time and AlCl3 concentration (2 to 9%, w/v). The method was adjusted to aqueous extractives and … Show more

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Cited by 41 publications
(40 citation statements)
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“…In a few works, only the spectra for some flavonoids (Matyuschenko and Stepanova 2003;Denni and Mammen 2012;Fernandes et al 2012) or the absorbance values for standard compounds under applied experimental conditions could be found (Chang et al 2002). Figure 4 shows some examples of the absorption spectra of studied natural samples after reaction with AlCl 3 (without acetate salt) using different procedures.…”
Section: Natural Samplesmentioning
confidence: 99%
“…In a few works, only the spectra for some flavonoids (Matyuschenko and Stepanova 2003;Denni and Mammen 2012;Fernandes et al 2012) or the absorbance values for standard compounds under applied experimental conditions could be found (Chang et al 2002). Figure 4 shows some examples of the absorption spectra of studied natural samples after reaction with AlCl 3 (without acetate salt) using different procedures.…”
Section: Natural Samplesmentioning
confidence: 99%
“…Although several studies have shown the properties of extracts of Bauhinia, the groups of compounds that are responsible for these properties have not been elucidated (FERNANDES et al, 2012). The objective of the present study was to …”
Section: Introductionmentioning
confidence: 92%
“…Therefore, the inhibition of the proliferation and invasion mediated by gelatinases by extracts of plants may be the key to the prevention of the metastasis of neoplastic cells (LONGATTI et al, 2011). The genus Bauhinia is popularly known in Brazil as "Pata-de-Vaca" and is widely used in traditional medicine as antidiabetic and antioxidant agents (FERNANDES et al, 2012). In India, flower buds, flowers, stems, stem barks, leaves, seeds, and roots of the several species of this genus are used as antidiabetic agents and for the treatment of other diseases (e.g., as antipyretic, astringent, tonic, antileprotic, and antitumour agents and for skin wound healing) in the Ayurvedic system of medicine (BODAKHE;RAM, 2007).…”
Section: Introductionmentioning
confidence: 99%
“…Total flavonoid content (TFC) of AEHS was determined as previously described (Fernandes et al 2012). Briefly, 5 g of air-dried Hibiscus calyces were extracted in 100 mL of boiled water for 1 h by sonication extraction.…”
Section: Determination Of Total Flavonoid Content In Aehsmentioning
confidence: 99%