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Chemical composition and biological activity of the essential oil from the root of Jatropha pelargoniifolia Courb. native to Saudi Arabia.

ABSTRACT: The chemical composition of the essential oil from Jatropha pelargoniifolia roots was determined via GC-FID. There were 80 compounds, representing 99.99% of the total oil constituents. Among these, 77.31% were sesquiterpenes, 14.62% were fatty acids, 7.21% were other components (i.e., phenolics, hydrocarbons, etc.), and 0.85% were monoterpenes. The major compounds in the oil were ?-eudesmol (35.31%), 5-guaien-11-ol (14.43%), epi-cedrol (8.19%), oleic acid (5.23%), bulnesol (4.45%), ?-linoleic acid (4.20%), 3,4-dimethoxycinnamic acid (3.83%), palmitic acid (2.69%), isolongifolanone (2.68%), eicosane (1.41%), and cedrol (1.14%). Oxygenated sesquiterpenes were found to represent more than 50% percent of the total oil content. Moreover, the essential oil was evaluated for anti-inflammatory, antioxidant, antipyretic, and antinociceptive activities using in vivo and in vitro models. Additionally, the antioxidant potential of the oil was evaluated using various in vitro antioxidant tests, including DPPH•, ABTS•+ and FRAP. At a dose of 240?µl/kg, the oil showed anti-inflammatory (59.12%), antipyretic (37.00?±?0.11), and antinociceptive (47.58%) activities and showed significant (p?

SUBMITTER: Aati H

PROVIDER: S-EPMC6323148 | biostudies-literature | 2019 Jan

REPOSITORIES: biostudies-literature

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Chemical composition and biological activity of the essential oil from the root of Jatropha pelargoniifolia Courb. native to Saudi Arabia.

Aati Hanan H El-Gamal Ali A Kayser Oliver O

Saudi pharmaceutical journal : SPJ : the official publication of the Saudi Pharmaceutical Society 20180911 1

The chemical composition of the essential oil from Jatropha pelargoniifolia roots was determined via GC-FID. There were 80 compounds, representing 99.99% of the total oil constituents. Among these, 77.31% were sesquiterpenes, 14.62% were fatty acids, 7.21% were other components (i.e., phenolics, hydrocarbons, etc.), and 0.85% were monoterpenes. The major compounds in the oil were γ-eudesmol (35.31%), 5-guaien-11-ol (14.43%), epi-cedrol (8.19%), oleic acid (5.23%), bulnesol (4.45%), ...[more]

PMID: 30662311

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Project description:Jatropha L. species, in particular, J. curcas and J. gossypiifolia, are well known medicinal plants used for treating various diseases. In the present study, leaf and stem bark extracts of J. curcas and J. gossypiifolia obtained by maceration or homogenizer assisted extraction, were investigated for their phytochemical contents and biological potential as antioxidants, enzyme inhibitors and neuromodulators. In this regard, the gene expression of tumor necrosis factor α (TNFα) and brain-derived neurotrophic factor (BDNF) was investigated in hypothalamic HypoE22 cells. Finally, a bioinformatics analysis was carried out with the aim to unravel the putative mechanisms consistent with both metabolomic fingerprints and pharmacological effects. The leaf extracts of J. curcas showed higher total phenolic content (TPC) and total flavonoid content (TFC) than the stem bark extracts (range: 5.79-48.95 mg GAE/g and 1.64-13.99 mg RE/g, respectively), while J. gossypiifolia possessed TPC and TFC in the range of 42.62-62.83 mg GAE/g and 6.97-17.63 mg RE/g, respectively. HPLC-MS/MS analysis revealed that the leaf extracts of both species obtained by homogenizer assisted extraction are richer in phytochemical compounds compared to the stem bark extracts obtained by the same extraction method. In vitro antioxidant potentials were also demonstrated in different assays (DPPH: 6.89-193.93 mg TE/g, ABTS: 20.20-255.39 mg TE/g, CUPRAC: 21.07-333.30 mg TE/g, FRAP: 14.02-168.93 mg TE/g, metal chelating activity: 3.21-17.51 mg EDTAE/g and phosphomolybdenum assay: 1.76-3.55 mmol TE/g). In particular, the leaf extract of J. curcas and the stem bark extract of J. gossypiifolia, both obtained by homogenizer assisted extraction, showed the most potent antioxidant capacity in terms of free radical scavenging and reducing activity, which could be related to their higher TPC and TFC. Furthermore, anti-neurodegenerative (acetylcholinesterase inhibition: 1.12-2.36 mg GALAE/g; butyrylcholinetserase inhibition: 0.50-3.68 mg GALAE/g), anti-hyperpigmentation (tyrosinase inhibition: 38.14-57.59 mg KAE/g) and antidiabetic (amylase inhibition: 0.28-0.62 mmol ACAE/g; glucosidase inhibition: 0.65-0.81 mmol ACAE/g) properties were displayed differentially by the different extracts. Additionally, the extracts were effective in reducing the gene expression of both TNFα and BDNF, which could be partially mediated by phenolic compounds such as naringenin, apigenin and quercetin. Indeed, the scientific data obtained from the present study complement the several other reports highlighting the pharmacological potentials of these two species, thus supporting their uses as therapeutically active plants.

Dataset Information

Chemical composition and biological activity of the essential oil from the root of Jatropha pelargoniifolia Courb. native to Saudi Arabia.

Publications

Chemical composition and biological activity of the essential oil from the root of <i>Jatropha pelargoniifolia</i> Courb. native to Saudi Arabia.

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