Abstract
Tea, a worldwide popular beverage rich in polyphenols, contributes to the prevention of many diseases and thus is beneficial to human health. Tea is a product through processing the fresh leaves picked from the plant Camellia sinensis (C. sinensis, genus Camellia section Thea). To date, systematic studies have been conducted on the phytochemicals from more than 20 tea varieties and related tea products, resulting in the structural determination of over 400 constituents viz. different types of polyphenols, purines, and their derivatives, mono to tetra-terpenoids, and minor other phytomolecules. These various tea phytochemicals contribute to the anti-oxidative effects, anti-diabetes, anti-inflammation, anti-cancer, blood lipid reduction, neuroprotection, anti-Alzheimer's disease, hepatoprotection, and anti-microbial activities, etc. Staphylococcus aureus (S. aureus), the significant human pathogens, could cause nosocomial and community-acquired infections, which is also responsible for various infectious diseases from mild to severe life-threatening conditions, such as bacteremia (bloodstream infection), endocarditis (heart valves infection), pneumonia, and meningitis (brain infection), leading to 2% clinical disease in of all patient admissions.
The multidrug resistance (MDR) and antibiotics losing efficacy, esp. in methicillin resistance Staphylococcus aureus (MRSA) urge for novel antimicrobial agents. The MRSA strains are resistant to the entire class of β-lactam antibiotics and limit effective treatment, leading to still spread of staphylococcal infections. MRSA also exhibits resistance to cephalosporins, macrolides, fluoroquinolones, aminoglycosides, and glycopeptides (teicoplanine and vancomycin), leading to resistant strains-glycopeptide resistant strain (GRSA) and glycopeptide intermediate (GISA) S. aureus. In this review, chemical constituents responsible for the anti-MRSA activity of tea are explored.
Keywords: Camellia sinensis, Methicillin resistance Staphylococcus aureus (MRSA), Catechins, Polyphenols, Antimicrobial, Antibiotics.
Graphical Abstract
Current Topics in Medicinal Chemistry
Title:Chemistry and Pharmacology of Natural Catechins from Camellia sinensis as Anti-MRSA Agents
Volume: 21 Issue: 17
Author(s): Rashmi Gaur*Guan-Hu Bao*
Affiliation:
- Natural Products Laboratory, State Key Laboratory of Tea Plant Biology and Utilization, Anhui Agricultural University, Hefei 230036,China
- Natural Products Laboratory, State Key Laboratory of Tea Plant Biology and Utilization, Anhui Agricultural University, Hefei 230036,China
Keywords: Camellia sinensis, Methicillin resistance Staphylococcus aureus (MRSA), Catechins, Polyphenols, Antimicrobial, Antibiotics.
Abstract:
Tea, a worldwide popular beverage rich in polyphenols, contributes to the prevention of many diseases and thus is beneficial to human health. Tea is a product through processing the fresh leaves picked from the plant Camellia sinensis (C. sinensis, genus Camellia section Thea). To date, systematic studies have been conducted on the phytochemicals from more than 20 tea varieties and related tea products, resulting in the structural determination of over 400 constituents viz. different types of polyphenols, purines, and their derivatives, mono to tetra-terpenoids, and minor other phytomolecules. These various tea phytochemicals contribute to the anti-oxidative effects, anti-diabetes, anti-inflammation, anti-cancer, blood lipid reduction, neuroprotection, anti-Alzheimer's disease, hepatoprotection, and anti-microbial activities, etc. Staphylococcus aureus (S. aureus), the significant human pathogens, could cause nosocomial and community-acquired infections, which is also responsible for various infectious diseases from mild to severe life-threatening conditions, such as bacteremia (bloodstream infection), endocarditis (heart valves infection), pneumonia, and meningitis (brain infection), leading to 2% clinical disease in of all patient admissions.
The multidrug resistance (MDR) and antibiotics losing efficacy, esp. in methicillin resistance Staphylococcus aureus (MRSA) urge for novel antimicrobial agents. The MRSA strains are resistant to the entire class of β-lactam antibiotics and limit effective treatment, leading to still spread of staphylococcal infections. MRSA also exhibits resistance to cephalosporins, macrolides, fluoroquinolones, aminoglycosides, and glycopeptides (teicoplanine and vancomycin), leading to resistant strains-glycopeptide resistant strain (GRSA) and glycopeptide intermediate (GISA) S. aureus. In this review, chemical constituents responsible for the anti-MRSA activity of tea are explored.
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Cite this article as:
Gaur Rashmi *, Bao Guan-Hu *, Chemistry and Pharmacology of Natural Catechins from Camellia sinensis as Anti-MRSA Agents, Current Topics in Medicinal Chemistry 2021; 21 (17) . https://dx.doi.org/10.2174/1568026621666210524100632
DOI https://dx.doi.org/10.2174/1568026621666210524100632 |
Print ISSN 1568-0266 |
Publisher Name Bentham Science Publisher |
Online ISSN 1873-4294 |

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