Volatile Constituents
Isolation of volatile constituents and biological studies of aerial parts of Gaultheria procumbens L.
... isolated volatile oil and antimicrobial activity, antiarthritic, and antioxidant activity were determined by disc diffusion method, protein denaturation, and 2,2-diphenyl-1-picrylhydrazyl (DPPH) method, ...main ...
5
Characterization of volatile constituents from an endophytic Aspergillus fumigatus strain
... emit volatile bioactive substances utilized for the healthcare purpose of humankind, especially ones that have distinctive odours, and this has prompted appropriate chemical analyses of the fungal volatile ...
5
Volatile constituents and biological activities of dried unripe flower buds of Syzygium aromaticum Linn. Syn. Eugenia caryophyllus (Spreng.) Bullock & S. G. Harrison
... seven volatile constituents were identified from dried unripe flower bud of clove having one monoterpene ...of volatile oil of clove buds were summarized in Table ...of volatile oil obtained ...
5
Comparison of SPME and SFE for the Determination of Volatile Constituents in Thymus vulgaris L. Lamiaceae
... SFE required special instrumentation and significant financial investment whereas SPME required a low-cost fiber. Moreover, SPME utilized a simple sampling procedure and very short extraction time (30 min) to obtain a ...
9
Study on the Difference between Volatile Constituents of the Different Parts from Elsholtzia ciliata by SHS GC MS
... ciliata volatile compounds from the stem (with leaf) and flower was ...The volatile compounds of these two parts from Elsholtzia ciliata aerial parts were respectively analyzed by a rapid and convenient ...
11
Solid phase microextraction analysis of volatile constituents of heated palm olein and selected oils
... The volatile constituents were collected using a SPME technique with a divinylbenzene/carboxen (50/ 30µm) on polymethylsiloxane (PDMS) on a stable- flex fibre (Supelco, Bellefonte, USA) as an ...
8
29) Volatile constituents, in vitro and in silico anti-hyaluronidase activity of the essential oil from Gardenia carinata Wall. ex Roxb. flowers
... Fresh flowers of Gardenia carinata Wall. ex Roxb. were collected from Nonthaburi, Thailand. These plant materials were extracted by steam distillation extraction. The results showed that the percentage of essential oil ...
6
A sustainable process for the recovery of volatile constituents from Gracilaria lemaneiformis in agar production and evaluation of their antioxidant activities
... Background: Gracilaria lemaneiformis is a common red alga used as a raw material source for the agar industry. Its extract is rich in natural volatile constituents (VCs) having antioxidant activities. ...
7
Culturing, Characterization and Identification of Candidate Microorganisms in Cattle Ear, Responsible for Producing Volatile Constituents Attractive to the Brown Ear Tick
... As documented by (Wanzala et al., 2002) on-host observations of the ticks showed a typical sequence of different behaviour after the ticks were placed in six different positions on the host cattle. Interestingly, ...
103
Determination of the content of rosmarinic acid by HPLC and analytical comparison of volatile constituents by GC-MS in different parts of Perilla frutescens (L.) Britt
... markets. Volatile components extracted from PCa, PFo and PFr were also identified and analyzed for comparison by GC-MS ...common constituents in PCa, PFo and ...
11
Volatile Constituents, Antibacterial and Antioxidant Activities of Essential Oil From Nardostachys Jatamansi Dc. Roots
... In recent years, the antimicrobial and antioxidant actions of substances have received much attention. This is because of the increasing interest in human health and have been studied in vitro and in vivo by many ...
9
Physico chemical changes and volatile constituents observed in 10 apricot cultivars during post harvest ripening
... (2009), ethylene production does not begin until the fruit has a definite orange colour, and then production increases more than 20-fold. The over-ripe phase, associated with softening and ethylene produc- tion, is ...
9
Chemical Analysis of Volatile Constituents of Pulicaria Mauritanica Isolated by Hydrodistillation and Headspace Solid-phase Micro-extraction Techniques. Antimicrobial Activity of its Essential Oil
... especially its major constituent, carvotanacetone 21 (87.3%). Previous studies of the antimicrobial activity of other Pulicaria species with carvotancetone as the major component have been reported. Indeed, P. undulata ...
13
Biological activities and volatile constituents of Daucus muricatus L. from Algeria
... As part of our ongoing chemical investigation of the essential oils from the Algerian Daucus genus [18] and our search for active natural products to fight nosoco- mial infections, we investigated for the first time the ...
10
Volatile Constituents and Toxicity Profile of the Leaves, Stem Bark and Root Bark Essential Oils of Holarrhena Floribunda and Crescentia Cujete
... Abstract: Essential oils are highly concentrated substances extracted from flowers, leaves, stems, roots, seeds, barks, resins, or fruit rinds. The increased interest in creating a compendium of plant essential oils for ...
5
Volatile constituents of Hypericum asperulum Jaub. & Spach aerial parts from Iran
... Essential oil of Hypericum asperulum Jaub. & Spach flowering aerial parts was characterized by high content of sesquiterpene hydrocarbons (57.4%) with γ-Muurolene (13.1%), Germacrene D (11.3%) and β-Caryophyllene ...
6
Determination of the volatile and polyphenol constituents and the antimicrobial, antioxidant, and tyrosinase inhibitory activities of the bioactive compounds from the by product of Rosa rugosa Thunb var plena Regal tea
... the constituents responsible for the anti- microbial effects of ...the constituents of RFCS. Overall, the volatile constituents played a more important role than the flavonoid compounds in the ...
9
Behavioral and neurophysiological responses of an insect to changing ratios of constituents in host plant derived volatile mixtures
... plant volatile constituents on herbivore insect attraction and olfactory information ...mixture constituents, benzonitrile, on oriental fruit moth Cydia ( Grapholita ) molesta ...of ...
11
Volatiles of quince fruit and leaf (Cydonia oblonga Mill.) from Serbia
... nona-2,4-dienoic acid glucopyranosyl ester, homo- monoterpenic compound which could be chemical marker. Also, main volatiles of quince fruit were trans--farnesene, furfural, megastigma-4,6,8-trien- 3-one, trans-marmelo ...
6
Identification Of Major Volatile (Essential Oil) Constituents Of Carrom Seeds and Clove Buds
... major volatile constituents of essential oil obtained from carrom seeds and clove buds have been analyzed by GC and ...major constituents constituting 61% and ...
10