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Chemical composition, antimicrobial, and antioxidant activities of the essential oils from stem, leaves, and seeds of <em>Caryopteris foetida </em>(D. don) Thell.

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Title Statement Chemical composition, antimicrobial, and antioxidant activities of the essential oils from stem, leaves, and seeds of <em>Caryopteris foetida </em>(D. don) Thell.
 
Added Entry - Uncontrolled Name Joshi, Archana ; Department of Chemistry, College of Basic Sciences and Humanities, G.B. Pant University of Agriculture and Technology, Pantnagar, U.S. Nagar 263145, Uttarakhand, India
Pant, A K ; Department of Chemistry, College of Basic Sciences and Humanities, G.B. Pant University of Agriculture and Technology, Pantnagar, U.S. Nagar 263145, Uttarakhand, India
Prakash, Om ; Department of Chemistry, College of Basic Sciences and Humanities, G.B. Pant University of Agriculture and Technology, Pantnagar, U.S. Nagar 263145, Uttarakhand, India
Kumar, Ravendra ; Department of Chemistry, College of Basic Sciences and Humanities, G.B. Pant University of Agriculture and Technology, Pantnagar, U.S. Nagar 263145, Uttarakhand, India
Stocki, Marcin ; Faculty of Forestry, Białystok University of Technology, ul. Piłsudskiego 1A, 17-200 Hajnówka, Poland
Isidorov, Valery A; Faculty of Forestry, Białystok University of Technology, ul. Piłsudskiego 1A, 17-200 Hajnówka, Poland
G.B., Pant University of Agriculture and Technology, Pantnagar
 
Uncontrolled Index Term Chemistry, Natural Products Research
Anti-inflammatory; Antioxidant; BHT; Caryopteris foetida; δ-cadinene.
 
Summary, etc. <p style="text-align: justify;"><em>Caryopteris foetida </em>(D. Don) Thell. also known as stinking blue beard is an aromatic shrub of family verbenaceae. The essential oils from the leaf, stem, and seeds of <em>C. foetida</em> were extracted and analyzed in search of a novel compound. Over 73 constituents were identified from the essential oils of leaf, seeds, and stem. The major compound identified in the leaf oil was δ-cadinene (15.4%) followed by β-caryophyllene (7.8%), (E)-β-farnesene (8.3%), γ-cadinene (7.5%), spathulenol (7.2%), and τ-muurolol (5.1%). The stem oil predominantly consisted of methyl 7-methylcyclopenta[c]pyran-4-carboxylate (15.8%) along with a significant amount of δ-cadinene (11.6%) and γ-cadinene (5.6%), whereas seed oil was characterized by the presence of β-caryophyllene (14.3%) along with α-humulene (8.6%) and β-bisabolene (9.4%). The essential oils were screened for their <em>in vitro</em> antioxidant potential in terms of radical scavenging, metal chelating and reducing assay. The leaf oil exhibited strong DPPH radical scavenging (IC<sub>50 </sub>=5.1±0.2 µg/mL) and reducing activity (IC<sub>50 </sub>=3.6±0.5 µg/mL). The antibacterial potential was tested against <em>Salmonela typhimurium, Escherichia coli, Staphylococcus Aureus</em>, and <em>Bacillus megaterium</em>. Maximum activity was exhibited by the essential oils from the leaf and seed. The essential oils were also analyzed for their <em>in vitro</em> anti-inflammatory activity by the protein denaturation method. Both the leaf and stem essential oils exhibited good anti-inflammatory activity with IC<sub>50</sub> value of 12.8±0.0 µg/mL and 17.3±0.0 µg/mL respectively.</p>
 
Publication, Distribution, Etc. Indian Journal of Natural Products and Resources (IJNPR) [Formerly Natural Product Radiance (NPR)]
2021-08-02 14:11:01
 
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http://op.niscair.res.in/index.php/IJNPR/article/view/38172
 
Data Source Entry Indian Journal of Natural Products and Resources (IJNPR) [Formerly Natural Product Radiance (NPR)]; ##issue.vol## 12, ##issue.no## 2 (2021): June 2021
 
Language Note en
 
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