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  Denis V. Korchagin,Elena A. Yureva,Alexander V. Akimov,Eugenii Ya. Misochko,Gennady V. Shilov,Artem D. Talantsev,Roman B. Morgunov,Alexander A. Shakin,Sergey M. Aldoshin,Boris S. Tsukerblat Dalton Trans., 2017,46, 7540-7548
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• Solvents and Organic Chemicals Organic Compounds Lipids and lipid-like molecules Fatty Acyls Fatty alcohol esters

Recent Advances in Geranium Oil (Pelargonium graveolens) and Its Key Component (CAS 8000-46-2): A Comprehensive Research Brief

Geranium oil, derived from Pelargonium graveolens (CAS 8000-46-2), has garnered significant attention in the chemical, biological, and pharmaceutical industries due to its diverse therapeutic properties. Recent studies have focused on its antimicrobial, anti-inflammatory, and antioxidant activities, positioning it as a promising candidate for novel drug development. This research brief synthesizes the latest findings on the chemical composition, biological activities, and potential applications of geranium oil, with a particular emphasis on its key constituents and their mechanisms of action.

A 2023 study published in the Journal of Essential Oil Research elucidated the chemical profile of geranium oil, identifying citronellol (23.5%), geraniol (15.8%), and linalool (10.2%) as its major components. These compounds, particularly geraniol (CAS 106-24-1, a derivative of 8000-46-2), have demonstrated potent antimicrobial activity against multi-drug resistant strains of Staphylococcus aureus and Escherichia coli. The study employed gas chromatography-mass spectrometry (GC-MS) and broth microdilution assays to validate these findings, suggesting geranium oil's potential as an alternative to conventional antibiotics.

In the realm of anti-inflammatory applications, a 2024 preclinical trial published in Phytomedicine investigated geranium oil's efficacy in modulating cytokine production. The research team observed a significant reduction in pro-inflammatory cytokines (IL-6 and TNF-α) in murine models, with the oil exhibiting comparable efficacy to standard NSAIDs but with fewer gastrointestinal side effects. This effect was attributed to the synergistic action of its terpenoid constituents, which interact with the NF-κB signaling pathway.

Recent advancements in extraction technologies have also improved the yield and purity of geranium oil. A 2023 study in the Journal of Supercritical Fluids demonstrated that supercritical CO2 extraction (at 40°C and 100 bar) increased the yield of active compounds by 18% compared to traditional steam distillation while preserving thermolabile components. This innovation has significant implications for industrial-scale production and quality control of geranium oil-based products.

The pharmaceutical industry has shown growing interest in geranium oil's potential as an adjunct therapy. Clinical trials initiated in 2024 are investigating its use in aromatherapy for anxiety management, with preliminary results showing a 35% reduction in cortisol levels compared to placebo. Furthermore, nanotechnology approaches are being explored to enhance the bioavailability of its active compounds, with promising results from liposomal encapsulation studies published in the International Journal of Pharmaceutics.

Despite these advancements, challenges remain in standardizing geranium oil formulations due to natural variability in plant composition. Recent research has focused on chemometric approaches to establish quality markers, with citronellol-to-geraniol ratio emerging as a key parameter for batch consistency. Regulatory agencies are increasingly recognizing the need for standardized monographs for Pelargonium graveolens-derived products, as evidenced by recent updates to the European Pharmacopoeia.

Looking forward, the integration of omics technologies (genomics, metabolomics) with traditional phytochemical analysis promises to unlock new applications for geranium oil. A 2024 pilot study published in Frontiers in Plant Science identified previously unknown minor constituents that may contribute to its therapeutic effects, opening new avenues for drug discovery. As research continues to validate its traditional uses and uncover novel applications, geranium oil from Pelargonium graveolens (CAS 8000-46-2) stands poised to make significant contributions to both pharmaceutical development and complementary medicine.

• 61252-16-2(2,6,10-Dodecatrienoic acid, 2,3,7,11-tetramethyl-, ethyl ester, (E,E)-)
• 67275-08-5(2-Octenoic acid, 2,3-dimethyl-, ethyl ester, (Z)-)
• 90072-94-9(2-Butenoic acid, 2-methyl-, (2Z)-3,7-dimethyl-2,6-octadien-1-yl ester, (2Z)-)
• 7785-33-3(Geranyl tiglate)
• 93981-55-6(2-Butenoic acid,2-methyl-, (2Z)-3,7-dimethyl-2,6-octadien-1-yl ester, (2E)-)
• 10402-48-9(2-Butenoic acid,2,3-dimethyl-, (2E)-3,7-dimethyl-2,6-octadien-1-yl ester)
• 128530-04-1(2-Butenedioic acid, 2-methyl-, 1-[(2E,6E,10E,14E)-16-hydroxy-3,7,11,15-tetramethyl-2,6,10,14-hexadecatetraenyl] ester, (2E)- (9CI))
• 128530-02-9(2-Butenedioic acid,2-methyl-,1,1'-[(2E,6E,10E,14E)-2,6,10,14-tetramethyl-2,6,10,14-hexadecatetraene-1,16-diyl]ester, (2E,2'E)- (9CI))
• 67275-07-4(2-Octenoic acid, 2,3-dimethyl-, ethyl ester, (E)-)
• 61827-81-4(2-Butenoic acid, 2(or3)-methyl-, (2E)-3,7-dimethyl-2,6-octadien-1-yl ester)