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Review on pharmacological activities of Cinnamomum subavenium

Lee CH, Kuo CN, Chen HL, Chen CY

Nat Prod Res, 2013;27(11):988-91.
PMID: 22691063 DOI: 10.1080/14786419.2012.695369

This review describes the morphological, phytochemical and pharmacological properties of Cinnamomum subavenium (Lauraceae). The plant grows wild in southern Mainland China, Burma, Cambodia, Taiwan, Malaysia and Indonesia. This plant is recorded as having long been used to treat carcinomatous swelling, stomach ache, chest pain, abdominal pain, hernia, diarrhoea, rheumatism, nausea and vomiting. This article enumerates an overview of phytochemical and pharmacological aspects that is useful to researchers for further exploration for the necessary development of this potential herb.

Matched MeSH terms: Cinnamomum/chemistry*
Review on pharmacological activities of Cinnamomum iners Reinw. ex Blume

Mustaffa F, Indurkar J, Shah M, Ismail S, Mansor SM

Nat Prod Res, 2013;27(10):888-95.
PMID: 22574706 DOI: 10.1080/14786419.2012.678347

This review describes the morphological, phytochemical and pharmacological properties of Cinnamomum iners Reinw. ex Blume (Lauraceae). The plant grows wild in the lowland of Malaysia, India, Myanmar, Indonesia, Thailand, Singapore, Brunei and Philippines. This plant is commonly used for its carminative, analgesic and antipyretic properties, for postpartum treatment, rheumatism and digestive ailments. This article enumerates an overview of phytochemical and pharmacological aspects that is useful to researchers for further exploration necessary for the development of this potential herb.

Matched MeSH terms: Cinnamomum/chemistry*
Fulltext An antimicrobial compound isolated from Cinnamomum iners leaves with activity against methicillin-resistant Staphylococcus aureus

Mustaffa F, Indurkar J, Ismail S, Shah M, Mansor SM

Molecules, 2011 Apr 08;16(4):3037-47.
PMID: 21478819 DOI: 10.3390/molecules16043037

This study was designed to investigate the antimicrobial activity of Cinnamomum iners standardized leave methanolic extract (CSLE), its fractions and isolated compounds. CSLE and fractions were subjected to disc diffusion, minimum inhibitory concentration (MIC) and minimum bactericidal concentration (MBC) tests using different Gram positive and Gram negative bacteria and yeast. Within the series of fractions tested, the ethyl acetate fraction was the most active, particularly against methicillin resistant Staphylococcus aureus (MRSA) and Escherichia coli, with MIC values of 100 and 200 µg/mL, respectively. The active compound in this fraction was isolated and identified as xanthorrhizol [5-(1, 5-dimethyl-4-hexenyl)-2-methylphenol] by various spectroscopic techniques. The overall results of this study provide evidence that Cinnamomum iners leaves extract as well as the isolated compound xanthorrhizol exhibit antimicrobial activity for both Gram negative and Gram positive pathogens, especially against MRSA strains.

Matched MeSH terms: Cinnamomum/chemistry*
Safety assessment of standardised methanol extract of Cinnamomum burmannii

Ahmad M, Lim CP, Akowuah GA, Ismail NN, Hashim MA, Hor SY, et al.

Phytomedicine, 2013 Sep 15;20(12):1124-30.
PMID: 23827665 DOI: 10.1016/j.phymed.2013.05.005

The present study aims to evaluate the safety of methanol extract of Cinnamomum burmannii (MECB) by acute 14-day (single dose) and sub-chronic 28-day (repeated doses) oral administration to Sprague-Dawley rats. Our results showed that no toxicity was found in either acute or sub-chronic toxicity studies. MECB (containing 0.07% and 0.20% (w/w) of coumarin and trans-cinnamaldehyde, respectively), which was given orally at doses of 500, 1000 and 2000 mg/kg caused neither visible signs of toxicity nor mortality. No significant differences were observed in general condition, growth, organ weight, hematological parameters, biochemical values, or the gross and microscopic appearance of the organs from the treatment groups as compared to the control group. In conclusion, MECB did not cause any mortality nor did it cause any abnormalities in the necropsy and histopathology findings of treated rats. The LD50 for the MECB was found to be more than 2000 mg/kg. No adverse effects were observed in the treated rats at all the doses tested. The no-observed-adverse-effect level (NOAEL) for the 28-day study was determined to be 2000 mg/kg body weight/day.

Matched MeSH terms: Cinnamomum/chemistry*
Chemical composition, antioxidant and antibacterial properties of the essential oils of Etlingera elatior and Cinnamomum pubescens Kochummen

Abdelwahab SI, Zaman FQ, Mariod AA, Yaacob M, Abdelmageed AH, Khamis S

J Sci Food Agric, 2010 Dec;90(15):2682-8.
PMID: 20945508 DOI: 10.1002/jsfa.4140

BACKGROUND: Plant essential oils are widely used as fragrances and flavours. Therefore, the essential oils from the leaves of Cinnamomum pubescens Kochummen (CP) and the whole plant of Etlingera elatior (EE) were investigated for their antioxidant, antibacterial and phytochemical properties.
RESULTS: CP and EE were found to contain appreciable levels of total phenolic contents (50.6 and 33.41 g kg(-1) as gallic acid equivalent) and total flavonoid contents (205.6 and 244.8 g kg(-1) as rutin equivalent), respectively. DPPH free radical scavenging activity of CP is superior to EE (P < 0.05) showing IC(50) of 77.2 and 995.1 µg mL(-1), respectively. Methicillin-resistant Staphylococcus aureus (MRSA), Bacillus subtilis, Pseudomonas aeruginosa and Salmonella choleraesuis were tested against CP and EE. Only MRSA was the most susceptible bacteria to CP. GC/MS studies resulted in the identification of 79 and 73 compounds in CP and EE, respectively. The most abundant components of EE included β-pinene (24.92%) and 1-dodecene (24.31%). While the major compound in CP were 1,6-octadien-3-ol,3,7-dimethyl (11.55%), cinnamaldehyde (56.15%) and 1-phenyl-propane-2,2-diol diethanoate (11.38%).
CONCLUSION: This study suggests that the essential oils from Cinnamomum pubescens Kochummen and Etlingera elatior could be potentially used as a new source of natural antioxidant and antibacterial in the food and pharmaceutical industries.

Matched MeSH terms: Cinnamomum/chemistry*