Analysis of the Oil of Large Cardamom (<i>Amomum subulatum</i>Roxb.,) Growing in Sikkim

Rout, Prasant Kumar; Sahoo, Dibakar; Jena, K. S.; Rao, Y. R.

doi:10.1080/10412905.2003.9712138

Cited by 21 publications

(10 citation statements)

References 4 publications

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“…β-Pinene has been the major constituent in these oils and most of the other previously reported Amomum oils (2)(3)(4). But, 1,8-cineole has been the major component in the seed oil of A. subulatum (5)(6). Amomum hypoleucum is a rare species distributed in the hilly regions of Peninsular India and Sri Lanka.…”

Section: Introductionmentioning

confidence: 97%

Chemical Composition and Antibacterial Activity of the Rhizome and Leaf Oils ofAmomum HypoleucumThwaites

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Kurup

George

et al. 2007

Journal of Essential Oil Research

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Essential oils from the rhizomes and leaves of Amomum hypoleucum were hydrodistilled and characterized by GC/FID and GC/MS. Nineteen constituents comprising 93.0% were identified from the rhizome oil. Cryptone (15.4%), β-pinene (11.9%) and caryophyllene oxide (7.6%) were the major constituents in the rhizome oil. Fifty-two constituents comprising 97.6% were identified from the leaf oil. (E)-Nerolidol (26.5%), α-fenchyl acetate (15.0%) and β-caryophyllene (8.4%) were the major constituents in the leaf oil. These oils showed good antibacterial activity against the Gram-negative bacteria, Pseudomonas aeruginosa, Salmonella typhi and Escherichia coli.

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Section: Introductionmentioning

confidence: 97%

Chemical Composition and Antibacterial Activity of the Rhizome and Leaf Oils ofAmomum HypoleucumThwaites

Baby

Kurup

George

et al. 2007

Journal of Essential Oil Research

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“…Active compounds, including both simple and oxygenated monoterpenes and sesquiterpenes, have been reported in the EO of A. subulatum fruits. 7 , 8…”

Section: Introductionmentioning

confidence: 99%

Composition and pharmacological activity of essential oils from two imported Amomum subulatum fruit samples

Alam

Singh

2021

Journal of Taibah University Medical Sciences

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Objective This work attempted to isolate, identify, and correlate the composition of essential oils (EOs) and pharmacological properties of two imported Amomum subulatum fruit samples. These samples were collected from Indian and KSA local supermarkets to ensure consistency in their therapeutic effects. Methods EOs were extracted from Indian and KSA A. subulatum fruit samples using a hydro-distillation method and identified by gas chromatography-mass spectrometry (GC–MS). Antimicrobial activity against gram-negative bacteria ( Pseudomonas aeruginosa , Escherichia coli , and Acinetobacter baumannii ) was determined using minimum inhibitory (MIC) and minimum bactericidal concentration methods. Antioxidant and anti-inflammatory activities were determined using a 2,2-diphenyl-1-picrylhydrazyl-induced free radical assay, and a bovine albumin inhibitory assay, respectively. These analyses were performed to evaluate the pharmacological activities of the substances. Results GC–MS retention times of both samples demonstrated 56 bioactive ingredients with different percentages. The principal bioactive compounds in the Indian and Saudi Arabian EO samples were 1,8-cineole (44.24% and 46.22%, respectively), α-terpineol (7.47% and 7.04%, respectively), terpinen-4-ol (5.01% and 4.83%, respectively), geraniol D (4.05% and 3.54%, respectively), and β-pinene (3.38% and 3.98%, respectively). Superior antimicrobial activity against the selected strains was observed for both samples, with an MIC range of 0.5%–1%. Antioxidant assays demonstrated moderate activity in both samples. Moreover, the Indian and Saudi Arabian samples exhibited IC 50 values of 53.12% and 55.26 μg/mL, respectively, in albumin denaturation inhibition assays. This indicated an outstanding anti-inflammatory potential comparable to ibuprofen. Conclusions The composition of EOs from both samples exhibited similar qualitative but different quantitative variability. No major variations in the pharmacological properties of EOs were observed. More studies are essential for further validation of our study findings.

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“…Due to lack of technological errors, the essential oil of the plant or bioactive compound of the particular cultivars (Seremna, Sawney, and Varlangy) has not been tested earlier. Several authors considered, the environmental conditions, e.g., type and composition of the soil (edaphic), geographic and genetic variations are the determinant factors influence the secondary metabolites of the essential oils [12][13][14]. Keeping the view in mind for cardamom pharmacological properties, we have studied the Seremna, Sawney, and Varlangy essential oils by gas chromatography-mass spectrometry (GC-MS) and also observed the effect of their essential oils for antifungal and antibacterial activities collected from Sikkim.…”

Section: Introductionmentioning

confidence: 99%

Comparative Study of Metabolites and Antimicrobial Activities of Essential Oils Extracted From Three Amomum Subulatum Cultivars

Alam¹,

Majumdar²,

Alam³

2019

Asian J Pharm Clin Res

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Objective: In Sikkim (India), Seremna is a highly growing cultivar of Amomum subulatum at lower altitudes. Other popular cultivated varieties are Varlangy and Sawney in the same state but at different altitude. In this study, we evaluate the variation in essential oils, metabolites and antimicrobial activities among A. subulatum selected cultivars. Methods: The composition of essential oil of Varlangy, Seremna, and Sawney was analyzed using gas chromatography–mass spectrometry and comparative antimicrobial activity of oils was explored using agar well diffusion and agar dilution method. Results: The Seremna cultivar oil was shown the high content of major constituents (1,8-cineole) in comparison to others. Comparative minimum inhibitory concentrations and minimal bactericidal concentration (MBC) or minimal fungicidal concentration against two Gram-positive (Staphylococcus aureus and Bacillus subtilis), two Gram-negative (Klebsiella pneumoniae and Escherichia coli) bacteria, and two (Candida albicans and Aspergillus niger) fungi were determined. The oil of Seremna showed distinct antibacterial and antifungal activity against all the microorganisms except B. subtilis which showed resistance. Conclusion: The present findings concluded that the high content of the principal compound accelerates the antimicrobial activity of essential oils. The essential oil of Seremna could be a good antimicrobial agent and recommended in the case of infections.

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Analysis of the Oil of Large Cardamom (Amomum subulatumRoxb.,) Growing in Sikkim

Cited by 21 publications

References 4 publications

Chemical Composition and Antibacterial Activity of the Rhizome and Leaf Oils ofAmomum HypoleucumThwaites

Chemical Composition and Antibacterial Activity of the Rhizome and Leaf Oils ofAmomum HypoleucumThwaites

Composition and pharmacological activity of essential oils from two imported Amomum subulatum fruit samples

Comparative Study of Metabolites and Antimicrobial Activities of Essential Oils Extracted From Three Amomum Subulatum Cultivars

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