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Modern Concepts & Developments in Agronomy

Quercetin- A Mini Review

Muhammad FM1, Ahsan M2 and Abdul W3

1South China University of Technology, Guangzhou, China

2Department of Chemistry, Government College University Faisalabad, Pakistan

3Government College University Faisalabad-38000, Pakistan

*Corresponding author: Muhammad Faisal Manzoor, School of Food Science and Engineering, South China University of Technology, Guangzhou, China

Submission: August 21, 2017; Published: January 29, 2018

DOI: 10.31031/MCDA.2018.01.000507

ISSN: 2637-7659
Volume1 Issue2


Quercetin a flavonoid to be a member of a group of flavonols is universally consumed in the human diet and responsibly to give the color to various fruits and vegetables [1]. Mainly occur in the form of glycosides, but their other derivative have been identified [2-5]. This paper presents some recent advances regarding quercetin structure, derivatives, sources and their medicinal benefits with their effective dosage [6-8].

Keywords: Quercetin; Derivatives; Plant sources; Medicinal benefits

Abbreviations: Fe-NTA: Ferric Nitrilo Triacetate; MIC: Minimum Inhibitory Concentration, NF- KB; Nuclear Factor Kappa B, MBC: Minimum Bactericidal Concentration, INOS: Inducible Nitric Oxide Synthase


It is a 3, 5, 7, 3, 4-pentahydroxyflavon having the five hydroxyl groups placed at five different positions. [9] The chemical structure and different derivatives of quercetin presents in different food sources such as, Mango, plums, cranberry, blueberry, chokeberry, Buckwheat, honey, beans, lettuce, chicory, onion in different amount. Quercetin 3-O-galactoside, Quercetin 3-O-glucoside, Quercetin 3-O-glucuronide, Quercetin 7-O-glucoside, Quercetin 3-O-diglucoside and Quercetin 3-methyl ether are some derivatives that have been discovered in different plants [10-12] (Table 1 & Figure 1).

Table 1: Some important derivatives of quercetin and their food sources.

Figure 1: Chemical structure of quercetin.

Quercetin is one of the most abundant food based flavonoids present in various edible vegetables, fruit and wine [13]. Quercetin contents present in different plants sources are categorized in different categories such as, vegetable, fruit, plant, herb, shrub, beverage and others [14-16]. The most prominent sources of quercetin is canned capers 180.76mg/100g (Table 2). It has different medicinal benefits against brain disorder, renal injury, cardiovascular diseases, blood pressure, cancer, bacterial activity, inflammation, diabetes mellitus, arthritis and asthma [17-19]. Medicinal benefits of quercetin with effective dose concentrations presented in Table 3 [20-22].

Table 2: Various food sources and quercetin contents (mg/100g).

Table 3: Medicinal benefits of quercetin with effective dose concentrations.


Quercetin generally exist in the edible plants and mostly used to manufacturing of traditional medicine to relieve some type of diseases [23-25]. In some recent studies quercetin exerts its biological properties in vivo. Overall, the best source of quercetin is canned carpers with 180.76mg/100g and followed by raw lovage leave with 170.01mg/100g [26-28].


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