Green synthesis of nanoparticles by biological systems especially plant extracts has become an emerging field in nanotechnology. In this study, zinc oxide were synthesized using Laurus nobilis L. leaves aqueous extract and two different salts (zinc acetate nitrate) as precursors. The characterized Ultraviolet–Visible spectroscopy (UV–Vis), Fourier Transform Infrared Spectroscopy (FT-IR), X-Ray Diffraction analysis (XRD), Energy-Dispersive X-ray (EDX) Scanning Electron Microscopy (SEM)....

Developing low cost and environmentally friendly methods for metallic nanoparticles is an increasing need. Using plants towards synthesis of are beneficial with the presence bio-molecules in plants, which can act as capping/stabilizing reducing agents. In present attempt, we describe rapid biosynthesis silver by Satureja intermedia C. A. Mey (Lamiaceae) aqueous extract. Synthesized were characterized UV–Visible spectroscopy, X-ray diffraction (XRD), transmission electron microscopy (TEM)...

Abstract Chemical composition of the essential oil from aerial parts three Labiatae species Iran : Salvia indica, Thymus caucasicus and Ballota nigra obtained by hydrodistillation were analyzed GC GC-MS. Twenty four components representing 95.9 % S. indica identified which α-pinene (17.0 %), 1,8-cineole (13.4 %) β-pinene (11.3 major constituents. compounds 90.5 T. including (15.4 (E)-nerolidol (13.8 as main constituents identified. (39.0 (34.5 among 12 characterized in B. nigra, 99.3 total detected.

Abstract The composition of the essential oils from three Labiatae species Iran—Nepeta heliotropifolia Lam. and Mentha mozaffariani Jamzad, which are endemic to Iran, Ziziphora persica Bunge.—were obtained by hydro-distillation analyzed GC GC/MS. 1,8-Cineole (16.8%), 4aα,7α,7aβ nepetalactone (16.3%), cis-sabinene hydrate (16.1%) linalool (11.9%) were main components among 23 constituents characterized in oil Nepeta heliotropifolia, representing 92.8% total detected. Twenty compounds...

Abstract The oil obtained by hydrodistillation of the aerial parts Stachys pilifera Benth. and acerosa Boiss., which are endemic to Iran, was analyzed GC/MS. Thirty compounds representing 88.9% S. were identified, among them cis-chrysanthenyl acetate (25.2%) trans-verbenol (19.7%) being major ones. characterized higher amounts (41.0%) linalool (23.5%), 20 components comprising 92.1 % total detected. Both oils richer in oxygenated monoterpenes than sesquiterpenes.

Abstract Water-distilled essential oils from the aerial parts of Micromeria persica Boiss., leaves and stems Hymenocrater platystegius Rech. f., which are endemic to Iran, Scutellaria pinnatifida A. Hamilt. subsp. were analyzed by GC GC/MS. Twenty-four components representing 96.1% oil M. identified linalool (15.2%), α-pinene (15.0%) (E)-nerolidol (13.8%) found be major constituents. Seventeen compounds 91.7% leaf 10 90.7% stem H. identified. Both rich in (16.7% 18.6%, respectively)...

Abstract Water distilled essential oils from aerial parts of Nepeta sessilifolia Bunge, and haussknechtii Bornm. were analyzed by GC GC/MS. Thirty-three compounds representing 97.4% the oil N. sessilifolia, 27 94.2% characterized. The major components linalool acetate (14.7%) (14.2%), whereas 1,8-cineole (36.7%) elemol (11.4%). Both richer in oxygenated monoterpenes than sesquiterpenes. Key Word Index: Lamiaceaeessential compositionlinalyl acetatelinalool1,8-cineoleelemol

Abstract The composition of the essential oils from three Salvia species Iran: sclareopsis Bornm. ex Hedge., brachysiphon Stapf, which are endemic to Iran, and verbascifolia M.Bieb., obtained by hydrodistillation were analyzed GC GC/MS. S. rich in β-caryophyllene (22.5% 18.5%) germacrene D (16.5% 34.1%), respectively. other main component first oil was benzyl benzoate (13.7%) latter one caryophyllene oxide (10.3%). In brachysiphon, also (28.1%), α-pinene (20.6%), limonene (11.5%) β-pinene...

Abstract The water distilled oils from the aerial parts of Salvia compressa Vent. collected two different localities and Cyclotrichium leucotrichum (Stapf. ex Rech.f.) were analyzed by GC GC/MS. main components found in oil S. at Tange Malavi, 751 m (sample A) β-caryophyllene (21.4%), α-pinene (18.4%) caryophyllene oxide (13.2%), while plant Mamolan to Pole Dokhtar, 927 B), (21.1%), 3-thujopsanone (15.3%), germacrene D (12.6%), bicyclogermacrene (11.6%) nerol (10.7%) most abundant...

Abstract Water-distilled essential oils from the aerial parts of three Stachys species: S. asterocalyx Rech. f., obtusicrena Boiss., which are endemic to Iran, and multicaulis Benth. were analyzed by GC GC/MS. The major components oil α-bisabolol (25.1%) linalool (18.0%). In obtusicrena, α-pinene (34.6%), germacrene D (8.0%) bicyclogermacrene (7.8%) found be constituents. Bicyclogermacrene (23.0%), spathulenol (20.7%), (12.4%) caryophyllene oxide (11.1%) predominant compounds in multicaulis.

Abstract The oils obtained by hydrodistillation of the aerial parts Salvia brachyantha Bords. (probed.) and Stachys byzantina C. Koch grown in Iran, were analyzed GC GC-MS .Forty five compounds representing 95.06 % oil S. identified which 1,8-cineole (10.19 %), γ-muurolene (7.54 caryophyllene oxide (6.66 spathulenol (6.19 %) elemol (5.89 major constituents. Furthermore 1,8-Cineole (16.35 hexadecanioc acid (7.42 camphor (6.76 borneol (5.74 found as main components among 25 constituents St....

Abstract In this study, the density functional theory computational method is used to investigate encapsulation process of metformin into three types cyclic peptides composed eight serine (CP1), glycine (CP2), and four serine‐glycine (CP3) as a new model in drug delivery gas phase. The obtained results using B3LYP/6‐31++G (d,p) indicate that complexes formed are energetically favored. Furthermore, reveal typically chemisorption. natural bonding orbital analysis shows intermolecular...

The essential oil of the leaves and flowers Phlomis persica Boiss. olivieri Benth. were isolated by hydrodistilation subjected to GC GC-MS. 98.5 %, oils obtained from 89.8 % 98.9 99.2 identified respectively. rich in sesquiterpenes, germacrene D was found as major component (26.5 19.5 %) (37.6 respectively Ph. olivieri. Bicyclogermacrene also abundant species: (18.7 20.4 (8.0 5.7

Essential oils obtained by hydrodistillation of the aerial parts of Mentha longifolia (L.) Hudson var. chlorodictya Rech. f. collected from two different locations in Iran and three populations of Ziziphora clinopodiodes Lam. were analyzed gas chromatography (GC) chromatography/mass spectrometry (GC/MS). 98.47 96.99% of  total in M. longifolia were identified. Cis-piperitone oxide (36.4 40.5%), piperitenone (22.5 37.3%) caryophyllene (13.65 7.43%) found as major components. In Z....

Total flavonoids contents and antibacterial activity of the extracts from aerial parts two Labiateae species, Nepeta menthoides Boiss. & Buhse Thymus trautvetteri Klokov Desj.-Shost. were determined. Quantitative determination flavonoid was calculated in terms quercetin equivalent various (50% methanol, chloroform distilled water) by AlCl3 colorimetric method. It found that total N. different solvents (2.308%, 0.884% 0.710%) mg/g (2.076%, 1.468% 1.412%) for T.  respectively.Antibacterial...

Chemical composition of the essential oil from aerial parts Salvia aristata Aucher ex. Benth. (Labiateae) was analyzed by GC and GC-MS. Thirty seven constituents accounting to 96.5% total were identified. The rich in monoterpens carvacrol (22.7%), 1,8-cineol (8.3%), α-pinene (6.7%) β-caryophyllene (6.1%) found as main components. Antibacterial activity chloroform extract plant tested against 6 Gram (+/-) bacteria disc diffusion method significant effect Escherichia coli. Total phenolic...

: Total phenolic and flavonoid contents in different extracts of Nepeta binaludensis Jamzad aerial parts were evaluated by colorimetric methods the best results found 50% hydro-methanol extract with total (4.42 ± 0.0014 mg gallic acid/g dry mass plant) (0.8 0.0009 quercetin/g contents. Antioxidant activity also using 1,1-diphenyl-2-picrylhedrazyl (DPPH) assay. The result was (the half-maximal inhibitory concentration IC50 = 3.0 mg/mL). A good correlation between radical scavenging observed....

Abstract:Essential oil composition of aerial part Salvia dracocephaloides Boiss. was obtained by hydrodistillation and analyzed GC GC-MS. The rich in Monoterpens (88.6 %) . camphor (42.6 %), 1,8-cineole (26.6 camphene (3.8 bicyclogermacrene (2.5 were the main components. Total flavonoid content different extracts plant, found between (1.43-2.88) mg/g it maximum 2.88 80 % hydromethanolic extract. Antioxidant activity extract also measured DPPH test. Results showed that S. is truly comparable...

Nowadays, the use of herbal extracts for preparing various drugs is increasing because compatibility natural compounds present in with human body. To this end, project, we studied Froriepia subpinnata (Ledeb.) Baill. terms its constituents and biological activities. The chemical composition hexane extract F. aerial parts was evaluated by GC/MS analysis 21 (80.60%) total, including phytosterols hydrocarbons, were identified. Also besides, a significant amount flavonoids methanol (27.235 ±...

Abstract:Water distilled essential oils of the aerial parts two Labiateae species: Hymnocrater elegens Bunge. and Lagochillus aucheri Boiss., were analyzed by GC GC-MS. Forty three compounds representing 92.6 % oil H. elegans identified, among which α-cadinol (12.4 %), caryophyllene oxide (11.6 %) β-caryophyllene (9.6 major compounds. Germacrene D (20.8 α-pinene (19.7 β-bourbonene (6.9 main components forty five compounds, comprising 91.3 total L. aucheri.Key words: Labiateaeessential...