Flavonoids, are a large class of polyphenols, with more than 4000 combinations. They have
a antioxidant role in plant photosynthesis and in human body have such as antioxidant, anti …

One of the dietary flavonoids which can be found in a variety of vegetables and fruits is
Quercetin (3, 3', 4, 5, 7-pentahydroxyflavone). Quercetin reduce infection risk and also has …

Quercetin is the most abundant natural flavonoid, present in medicinal plants. Quercetin is of
interest because of its pharmacological function. Quantification of quercetin from the dried …

A simple and fast method was developed for quantitative determination of quercetin in flower
of Acacia nilotica using high performance thin layer chromatography (HPTLC). The …

Polyphenols are important compounds playing an important role in plants and human body.
These compounds have an antioxidant role in photosynthesis and they prevent from cancer …

A simple and rapid high performance liquid chromatography-mass spectrometry (HPLC-MS)
method was developed for the determination of quercetin in four plants and fruits samples …

Abstract Background: Achillea (Asteraceae) comprises 115 species, which are mainly
distributed in Europe, Asia and North Africa and also is an introduced plant in the New …

Background: Flavonoids are among the most important compounds found in plants, since
laboratory studies have shown them to be a daily requirement in human diets due to their …

This research was aimed to extract and measure the quercetin and kampferol in Foeniculum
vulgare Mill. For this purpose, in the end of May 2010, samples were collected from …

Quercetin is a flavonoid and common present in vegetables and fruits, usually found in rutin
glicosides. Its antioxidant effect is implied to be helpful for human health. Quercetin content …