Comparison of Yield, Chemical Composition and Antimicrobial Activity of Distichochlamys citrea Rhizome Essential Oils Obtained by Different Extraction Methods

Thinh, B. B.; Hanh, Do Hong; Hùng, Nguyễn Việt; Thin, Dau B.

doi:10.3103/s0027131422050108

Cited by 17 publications

(8 citation statements)

References 20 publications

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“…It is worth noting that the antimicrobial activity of both EOs was comparable to that of the positive controls. These findings are consistent with a study conducted by Thinh et al, 33 which reported the antimicrobial activity of EOs from D. citrea against various microorganisms. Notably, the MIC values of D. benenica EOs were lower than those of D. citrea EOs, indicating the more potent antimicrobial activity of D. benenica EOs.…”

Section: Resultssupporting

confidence: 93%

“…35–37 These findings indicate that the chemical composition of EOs in Distichochlamys is primarily influenced by the specific species under investigation, as well as factors such as the plant organ used, environmental conditions, geographic variations, and EO extraction methods. 33,41,42…”

Section: Resultsmentioning

confidence: 99%

“…[35][36][37] These findings indicate that the chemical composition of EOs in Distichochlamys is primarily influenced by the specific species under investigation, as well as factors such as the plant organ used, environmental conditions, geographic variations, and EO extraction methods. 33,41,42 38 or NIST. 39 dIdentification: RI, coherence of the temperature-programmed retention index with respect to those reported by Adams 38 ; MS, matching with mass libraries.…”

Section: Chemical Constituents Of Eosmentioning

confidence: 99%

“…[28][29][30][31] Additionally, investigations have been conducted into the chemical composition and biological activity of EOs derived from the leaves and rhizomes of D. citrea, D. orlowii, and D. benenica. [32][33][34][35][36][37] Notably, a study by Hoang et al 32 demonstrated the acetylcholinesterase activity of D. benenica rhizome EO collected from Quang Nam, Vietnam. Furthermore, variations in chemical composition were observed in the EOs of D. citrea leaves and rhizomes collected from different regions of Vietnam, including Quang Binh, Quang Tri, Thua Thien Hue, and Quang Nam.…”

Section: Introductionmentioning

confidence: 99%

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Essential Oils of Distichochlamys benenica: Chemical Constituents, Mosquito Larvicidal and Antimicrobial Activities

Huong,

Dai,

Thin

et al. 2023

Natural Product Communications

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In recent years, essential oils (EOs) have gained popularity for their potential as natural antimicrobial agents and mosquito larvae control. This study aimed to explore the chemical composition of EOs extracted from the leaves and rhizomes of Distichochlamys benenica Q.B. Nguyen & Škorničk, and to evaluate their mosquito larvicidal and antimicrobial activities. The EOs were obtained using hydrodistillation and subjected to gas chromatography (GC) and GC-mass spectrometry to determine their chemical constituents. The main components identified in the leaf EO were β-pinene (47.7%), cis-β-elemene (8.5%), and α-pinene (7.8%), while the rhizome EO mainly consisted of geranyl acetate (25.7%), geranial (23.3%), neral (16.6%), and geraniol (8.4%). The mosquito larvicidal activity of the EOs was evaluated using larvae of Aedes aegypti and Culex quinquefasciatus during 24 and 48 h of treatment. The results demonstrated that these EOs effectively inhibited the mosquito larvae, with LC50 values ranging from 31.15 to 71.53 μg/mL and LC90 values ranging from 46.28 to 148.66 μg/mL. Additionally, the minimum inhibitory concentration (MIC) and half-maximal inhibitory concentration (IC50) values were used to evaluate the antimicrobial efficacy of EOs. Both EOs exhibited potent antimicrobial effects against Enterococcus faecalis ATCC 299212, Staphylococcus aureus ATCC 25923, Bacillus cereus ATCC 14579, Pseudomonas aeruginosa ATCC 27853, and Candida albicans ATCC 10231, with MIC values ranging from 16 to 64 μg/mL and IC50 values ranging from 4.67 to 45.67 μg/mL. Overall, the mosquito larvicidal and antimicrobial activities of D. benenica EOs highlight their potential as natural alternatives for combating mosquito-borne diseases and microbial infections.

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Section: Resultssupporting

confidence: 93%

Section: Resultsmentioning

confidence: 99%

Section: Chemical Constituents Of Eosmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Essential Oils of Distichochlamys benenica: Chemical Constituents, Mosquito Larvicidal and Antimicrobial Activities

Huong,

Dai,

Thin

et al. 2023

Natural Product Communications

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“…Essential oil analysis. The essential oils were examined using gas chromatography (GC) and gas chromatography-mass spectrophotometry (GC-MS), following the same methods as previously described [17,18]. The GC analysis was performed using an Agilent Technologies 7890A GC, which was equipped with a flame ionization detector (FID) and an HP-5MS chromatographic column (i.d.…”

Section: Methodsmentioning

confidence: 99%

Changes in essential oil composition of <i>Thymus vulgaris</i> under different storage conditions and its antimicrobial activity

Trong

Thinh

2023

Izvestiâ vuzov. Prikladnaâ himiâ i biotehnologiâ

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Thyme (Thymus vulgaris L.) has been used for centuries in traditional medicine due to its various health benefits, and it is widely used today in aromatherapy, cosmetics, and even as a culinary herb. This study aimed to investigate how the chemical compositions and antimicrobial activity of essential oils extracted from the aerial parts of T. vulgaris were affected by storage at different temperatures. The essential oils were obtained by hydrodistillation of air-dried samples and analyzed using gas chromatography (GC) and gas chromatography/mass spectrometry (GC/MS). The study observed changes in the essential oil’s composition when stored in a refrigerator (4 °C) and at room temperature (25 °C) for three months. The results revealed that the proportions of compounds with lower boiling temperatures such as β-myrcene (2.29–0.20%) and α-pinene (2.74–0.24%) along with γ-terpinene (7.84–4.81%) and p-cymene (10.93–5.61%) as thymol and carvacrol precursors, were significantly decreased when stored at room temperature. However, the amounts of thymol and carvacrol increased by 51.64 and 21.81%, respectively, after three months storage period, indicating a rise in the oil quality index. Storing the essential oil in a refrigerator resulted in minimal changes to the essential oil composition and maintained its primary quality. In addition, the antimicrobial activity of the essential oils was tested using the broth microdilution method and demonstrated that the essential oils from both storage methods retained their antimicrobial activity compared to freshly extracted ones. In summary, these findings are beneficial for essential oil producers and consumers in the pharmaceutical and cosmetic industries.

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Chemical Composition and Biological Activity of Essential Oil of Knema pierrei

2023

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Comparison of Yield, Chemical Composition and Antimicrobial Activity of Distichochlamys citrea Rhizome Essential Oils Obtained by Different Extraction Methods

Cited by 17 publications

References 20 publications

Essential Oils of Distichochlamys benenica: Chemical Constituents, Mosquito Larvicidal and Antimicrobial Activities

Essential Oils of Distichochlamys benenica: Chemical Constituents, Mosquito Larvicidal and Antimicrobial Activities

Changes in essential oil composition of <i>Thymus vulgaris</i> under different storage conditions and its antimicrobial activity

Chemical Composition and Biological Activity of Essential Oil of Knema pierrei

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