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Chemical composition, antimicrobial and antioxidant properties of essential oils of <em>Trichopus zeylanicus </em>ssp. <em>travancoricus </em>

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Title Statement Chemical composition, antimicrobial and antioxidant properties of essential oils of <em>Trichopus zeylanicus </em>ssp. <em>travancoricus </em>
 
Added Entry - Uncontrolled Name Kala, Nambi Sasi; Department of Biology, The Gandhigram Rural Institute (Deemed to be University), Gandhigram, Dindigul, Tamil Nadu 624302, India
Ramasubbu, Raju ; Department of Biology, The Gandhigram Rural Institute (Deemed to be University), Gandhigram, Dindigul, Tamil Nadu 624302, India
INSPIRE-Department of Science and Technology, New Delhi
 
Uncontrolled Index Term Phytochemistry; essential oil
Antimicrobial; Aroghyapacha; DPPH assay; GC-MS analysis; Kani Tribes; α-humulene.
 
Summary, etc. <p style="text-align: justify;"><em>Trichopus zeylanicus </em>ssp. <em>travancoricus </em>is locally known as <em>Aroghyapacha</em> which means the leaves that give health and vitality. The present study aimed to analyze the chemical composition of essential oils from the leaves and swollen part of the petiole of <em>T. zeylanicus</em> ssp. <em>travancoricus</em> and to evaluate its antimicrobial and antioxidant potential. Essential oils were isolated from the leaves and swollen part of the petiole and analyzed by GC-MS. The major components of the leaf essential oil were α-humulene (48.99%) and β-caryophyllene (30.08%), whereas α-humulene (36.69%) and n-Hexadecanoic acid (17.41%) were the main components of the swollen part of petiole. The antioxidant activities were evaluated by DPPH and phosphomolybdenum assays. Both of the essential oils exhibited poor to moderate antioxidant activity (DPPH assay, IC50 <strong>&gt;</strong>1000 µg/mL). The phosphomolybdenum assay of the leaves (1.70±0.01 mg equivalent AAE/g) and swollen part petiole (1.85±0.03 mg equivalent AAE/g) essential oils showed moderate total antioxidant capacity. Both the oils exhibited potent antimicrobial activity against Gram-negative bacteria than Gram-positive bacteria. The present study is a experimental proof of the previous attempts on ethnobotanical investigations carried out among Kani tribes of Agasthymalai Biosphere Reserve.</p>
 
Publication, Distribution, Etc. Indian Journal of Natural Products and Resources (IJNPR) [Formerly Natural Product Radiance (NPR)]
2022-03-15 11:16:10
 
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http://op.niscair.res.in/index.php/IJNPR/article/view/35929
 
Data Source Entry Indian Journal of Natural Products and Resources (IJNPR) [Formerly Natural Product Radiance (NPR)]; ##issue.vol## 12, ##issue.no## 4 (2021): DECEMBER 2021
 
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Nonspecific Relationship Entry http://op.niscair.res.in/index.php/IJNPR/article/download/35929/465511530
http://op.niscair.res.in/index.php/IJNPR/article/download/35929/465511531
 
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