Cited by 1,696Bioactive natural compoundsFlavonoids in Medical ResearchPhytochemicals and Antioxidant Activities

Important Flavonoids and Their Role as a Therapeutic Agent

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Ullah, Asad, Munir, Sidra, Badshah, Syed Lal, Khan, Noreen, Ghani, Lubna, Poulson, Benjamin Gabriel, Emwas, Abdul-Hamid, Jaremko, Mariusz·2020·Molecules

Abstract

Flavonoids are phytochemical compounds present in many plants, fruits, vegetables, and leaves, with potential applications in medicinal chemistry. Flavonoids possess a number of medicinal benefits, including anticancer, antioxidant, anti-inflammatory, and antiviral properties. They also have neuroprotective and cardio-protective effects. These biological activities depend upon the type of flavonoid, its (possible) mode of action, and its bioavailability. These cost-effective medicinal components have significant biological activities, and their effectiveness has been proved for a variety of diseases. The most recent work is focused on their isolation, synthesis of their analogs, and their effects on human health using a variety of techniques and animal models. Thousands of flavonoids have been successfully isolated, and this number increases steadily. We have therefore made an effort to summarize the isolated flavonoids with useful activities in order to gain a better understanding of their effects on human health.

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  • Chalcones and quinones are known for their redox properties, which neutralize free radicals and reduce oxidative stress.

    “These compounds are known for their redox properties, which neutralize free radicals and reduce oxidative stress [48,49,50].”

    From Comparative Analysis of Infusions and Ethanolic Extracts of Annona muricata Leaves from Colima, Mexico: Phytochemical Profile and Antioxidant Activity (2024) · cites this paper as [50]

    Section 2.7 (Stroke Prevention; page not provided) reports that several dihydroxy chalcones suppressed reactive oxygen species and oxidative stress. Section 2.2 (Antioxidant Activity; page not provided) describes flavonoids reacting with radicals, but the cited passages do not establish the claimed redox and antioxidant properties for quinones. The chalcone evidence also concerns specific compounds rather than chalcones generally. (LLM, conf=0.86)

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  1. [105]Ali M. Alhazmi H.A. Ansari S. Hussain A. Ahmad S. Alam M.S. Ali M.S. El-Sharkawy K.A. Hakeem K.R. Tamarix aphylla (L.) Karst. Phytochemical and Bioactive Profile Compilations of Less Discussed but Effective Naturally Growing Saudi Plant Plant and Human Health Ozturk M. Hakeem K. Springer Cham, Switzerland 2019 343 352

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Authors
Ullah, A., Munir, S., Badshah, S. L., Khan, N., Ghani, L., Poulson, B. G., Emwas, A.-H., & Jaremko, M.
Affiliations
  • Islamia College University (PK)
  • University of Azad Jammu and Kashmir (PK)
  • King Abdullah University of Science and Technology (SA)
Corresponding author
  • Badshah, Syed Lal
  • Jaremko, Mariusz
Venue
Molecules
Publisher
MDPI AG
Published
2020-11-11
Volume
25
Issue
22
Pages
5243
ISSN
1420-3049 (ISSN-L)
OpenAlex
W3100994999
Cited by
1,696
References
290
Citations by year
2026: 272 · 2025: 466 · 2024: 420 · 2023: 326 · 2022: 159 · 2021: 51 · 2014: 1
FWCI
12.83
Type
journal article
Language
en
Open access
Locations
  • Molecules (publishedVersion, cc-by)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion, cc-by-sa)
  • King Abdullah University of Science and Technology Repository (King Abdullah University of Science and Technology) (submittedVersion, other-oa)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Bioactive natural compounds
  • Health Sciences › Medicine › Pharmacology › Flavonoids in Medical Research
  • Health Sciences › Medicine › Biochemistry › Phytochemicals and Antioxidant Activities
Keywords
flavonoids, phytochemicals, anticancer activity, antioxidant activity, anti-inflammatory activity, antiviral activity, neuroprotection, cardioprotection, bioavailability, flavonoid analogs, flavonoid isolation, medicinal plants
MeSH terms
Alzheimer Disease, Animals, Anti-Inflammatory Agents, Antifungal Agents, Antimalarials, Antineoplastic Agents, Antioxidants, Antiviral Agents, Cardiovascular System, Flavonoids, Humans, Hypoglycemic Agents, Nervous System, Neurons, Plant Extracts, Plants, Quercetin, Rats, Sprague-Dawley, Rats, Wistar, Plant Leaves, Neuroprotective Agents, Stroke, Mice, Rats, Polyphenols

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