Abstract
Clerodendrum inerme (L.) Gaertn., commonly known as garden quinine, is a perennial shrub that belongs to the Lamiaceae family. It has been extensively used in various traditional medicinal practices to treat ailments such as rheumatic pain, arthritis, scrofulous, venereal disease, skin diseases, wounds, fever, cough, dysentery, and more. This review aims to critically examine a comprehensive compilation of recent research on C. inerme, encompassing its botanical characteristics, ethnomedical applications, phytochemicals, pharmacological activity, and toxicological data, in order to provide insights and inspiration for future research, promote further development, and facilitate the rational application of C. inerme. Nearly 95 chemical constituents belonging to different classes have been isolated from C. inerme, including diterpenoids, triterpenoids, steroids, flavonoids, phenolic glycosides, lignans, iridoid and megastigmane glycosides. Notably, diterpenoids, triterpenoids, steroids, and flavonoids are the main bioactive substances that have been extensively studied and demonstrated the most significant bioactivity. Pharmacological studies demonstrated that the extract of C. inerme exhibits a wide range of biological activities, such as antioxidant, antimicrobial, anticancer, antiinflammatory, insecticidal, antifeedant, neuroprotective, anti-motor tic, and so on, which are closely connected to its numerous ethnomedicinal applications. Nevertheless, some literature have reported the toxicity of C. inerme. Therefore, it is imperative to conduct further in-depth studies encompassing toxicology, as well as preclinical and clinical research, to ascertain the safety and efficacy of C. inerme for medicinal purposes.
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Abbreviations
- AAE:
-
Ascorbic acid equivalents
- ABTS:
-
2,2′-Azino-bis(3-ethylbenzothiazoline-6-sulfonic acid)
- ALP:
-
Alkaline phosphates
- AD:
-
Alzheimer’s disease
- ALT:
-
Alanine aminotransferase
- AST:
-
Aspartate aminotransferase
- ATCC:
-
American type culture collection
- Aβ :
-
Anti-amyloid-β
- BCMV-BlCM:
-
Bean common mosaic potyvirus strain blackeye cowpea mosaic
- CCl4 :
-
Carbon tetrachloride
- COMT:
-
Catecholamine-o-methyl- transferase
- COX-2:
-
Cyclooxygenase-2
- DMBA:
-
7,12-Dimethylbenz (a) anthracene
- DPPH:
-
2,2-Diphenylpicrylhydrazyl
- EC50 :
-
Concentration for 50% of maximal effect
- FBG:
-
Fasting blood glucose
- FRAP:
-
Ferric reducing antioxidant power
- GABAARs:
-
γ-Aminobutyric acid type A receptors
- GAE:
-
Gallic acid equivalents
- GSH:
-
Glutathione
- HRBC:
-
Human red blood cell
- H2O2 :
-
Hydrogen peroxide
- HSV:
-
Herpes simplex virus
- IC50 :
-
Half maximal inhibitory concentration
- i.p.:
-
Intraperitoneally injected
- iNOS:
-
Inducible nitric oxide synthase
- JHE:
-
Juvenile hormone esterase
- JNK:
-
C-jun N-terminal kinase
- KA:
-
Kainic acid
- LC50 :
-
Lethal concentration 50%
- LPS:
-
Lipopolysaccharide
- MBC:
-
Minimum bacteriocidal concentration
- MCV:
-
Mouse corona virus
- MDA:
-
Malondialdehyde
- MeOH:
-
Methanol
- MFC:
-
Minimum fungicidal concentration
- MIC:
-
Minimum inhibitory concentration
- MIH:
-
Methamphetamine-induced hyperlocomotion
- MTT:
-
3-(4,5-Dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide
- mutDISC1:
-
Disrupted-in-schizophrenia-1 mutant
- NF-κB:
-
Nuclear transcription factor-κB
- NO:
-
Nitric oxide
- OGTT:
-
Oral glucose tolerance test
- PAM:
-
Positive allosteric modulator
- PBMC:
-
Peripheral blood mononuclear cells
- PCP:
-
Phencyclidine
- PGE2 :
-
Prostaglandin E2
- p.o.:
-
Oral administration
- PPI:
-
Prepulse inhibition of acoustic startle response
- Ppm:
-
Parts per million
- PVY:
-
Potato virus Y
- QE:
-
Quercetin equivalents
- RBC:
-
Red blood cell
- SGOT:
-
Serum glutamic oxaloacetic transaminase
- SGPT:
-
Serum glutamic pyruvic transaminase
- TC:
-
Total cholesterol
- TAC:
-
Total antioxidant capacity
- TFC:
-
Total flavonoid contents
- TGL:
-
Triglycerides
- THC:
-
Total haemoglobin count
- TPC:
-
Total phenolic contents
- WBC:
-
White blood cells
- ZOI:
-
Zone of inhibition
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Authors thankfully acknowledge the financial support of CSIR JRF (No.09/025(0229)/2017-EMR-I; dated: 22.08.2017) and infrastructural facilities in the Department of Zoology, The University of Burdwan.
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Barman, M., Barman, A. & Ray, S. Clerodendrum inerme (L.) Gaertn.: a critical review on current progress in traditional uses, phytochemistry, pharmacological aspects and toxicity. Phytochem Rev (2024). https://doi.org/10.1007/s11101-024-09934-y
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DOI: https://doi.org/10.1007/s11101-024-09934-y