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 …

Aim: This is done from regulatory perspective to ensure the efficacy, quality, as well safety of
the herbal drugs present in a plant. Materials and Methods: Standardization of plants …

Quercetin is a typical flavonoid ubiquitously present in vegetables and fruits, and its
antioxidant effect is implied to be helpful for human health. The efficiency of extraction …

A reversed-phase HPLC method with UV detection was developed for the determination of
quercetin. The method produced linear response over a wide concentration range, with an …

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 …

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 …

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 …

The aim of this study was to develop and validate a densitometric High-Performance Thin-
Layer Chromatography (HPTLC) method for the simultaneous quantification of quercetin (Q) …

Lagenaria siceraria is an important medicinal plant belonging to family Cucurbitaceae. Now
a day its use in Juice form is very popular. In present article, quercetin has been isolated …

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 …