نتایج جستجو برای: Volatile oil

تعداد نتایج: 173029  

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه رازی - دانشکده علوم 1391

in this work, a novel and fast method for direct analysis of volatile compounds (davc) of medicinal plants has been developed by holding a filament from different parts of a plant in the gc injection port. the extraction and analysis of volatile components of a small amount of plant were carried out in one-step without any sample preparation. after optimization of temperature, extraction time a...

Journal: :iranian journal of pharmaceutical research 0
ali sonboli shahid beheshti university mohammad hossein mirjalili department of agriculture, medicinal plants and drugs research institute, shahid beheshti university, g.c., evin javad hadian department of agriculture, medicinal plants and drugs research institute, shahid beheshti university morteza yousefzadi department of marine biology, hormozgan university, bandar abbas, iran

the biological activity and composition of the essential oil of sclerorhachis leptoclada rech. an endemic species from northeast of iran was studied. the essential oil was isolated from the aerial flowering parts of the plant and analyzed by gc and gc-ms. fifty-four compounds accounting for 95.9% of the total oil were characterized. the main constituents were (e)-nerolidol (14.5%), terpinen-4-o...

2009
Jaiprakash R. Patil G. K. Jayaprakasha K. N. Chidambara Murthy Shane E. Tichy Mahadev B. Chetti Bhimanagouda S. Patil

0308-8146/$ see front matter 2008 Elsevier Ltd. A doi:10.1016/j.foodchem.2008.11.033 * Corresponding author. Tel.: +1 979 862 4521/458 E-mail address: [email protected] (B.S. Patil). Fruits of Citrus aurantifolia were subjected to hydro-distillation using Clevenger type apparatus to obtain volatile oil. Chemical composition of volatile oil was analysed by GC–MS. Twenty-two compounds representing...

2007
Hee Youn Chee Min Hee Lee

Antifungal activities of clove essential oil and its volatile vapour against dermatophytic fungi including Candida albicans, Epidermophyton floccosum. Microsporum audouinii, Trichophyton mentagrophytes, and Trichophyton rubrum were investigated. Both clove essential oil and its volatile vapour strongly inhibit spore germination and mycelial growth of the dermatophytic fungi tested. The volatile...

2006
C. M. Kalua K. Robards

The unique and delicate flavour of olive oil is attributed to the volatile compounds that develop during and after oil extraction from the olive fruit. The formation of these volatile compounds and the fruit characteristics that affect the formation are examined in this review. The role of extraction time -temperature interactions in volatile development and other factors that impact volatile d...

Journal: :Journal of AOAC International 2001
D L Heikes B Scott N A Gorzovalitis

Ground cumin is used as a flavoring agent in a number of ethnic cuisines. The chemical entities, which primarily establish its characteristically pungent flavor, are found in the volatile oil of cumin. Fixed oils and carbohydrates tend to round out the harshness of the volatile oil components. However, the quantity of volatile oil is commonly the measure of the quality of this spice. For severa...

2015
Hongying Wang Wenyu Shen Hongda Liu Liang Zhang Shanshan Huang

The objective of the study is to observe the anti-motion sickness effect of volatile oil extract of Pinelia ternata in rats, compare the strength of anti-motion sickness action between the Pinelia ternata volatile oil extract and the dimenhydrinate, and analyze the constituents in volatile oil of Pinelia ternata. Rats with frequency is 0.05Hz, the peak speed of 240°/s rotated to stimulate, evok...

2016
Mohamed Al-Fatimi Martina Wurster Ulrike Lindequist

In a first study of the volatile oil of the mushroom basidiomycete Ganoderma pfeifferi Bres., the chemical composition and antimicrobial and antioxidant activities of the oil were investigated. The volatile oil was obtained from the fresh fruiting bodies of Ganoderma pfeifferi Bres. By hydrodistillation extraction and analyzed by GC-MS. The antimicrobial activity of the oil was evaluated agains...

2014
OANA CIOANCA CORNELIA MIRCEA ADRIANA TRIFAN ANA CLARA APROTOSOAIE LUCIAN HRIȚCU MONICA HĂNCIANU

Juniper volatile oil is extracted from Juniperus communis L., of the Cupressaceae family, also known as common juniper. The therapeutic properties of juniper oil are antiseptic, antirheumatic, antispasmodic, astringent, carminative, depurative, diuretic, rubefacient, stimulating, stomachic, sudorific and tonic. In traditional medicine, juniper oil was used to relieve anxiety, nervous tension an...

Journal: :iranian journal of pharmaceutical research 0
n ghasemi g asghari m shams ardakani a siahpoush

the volatile constituents of the aerial parts of varthemia. persica dc. var. persica, growing wild in iran, were investigated by gc-ms. sixty seven constituents were identified. ?-cadinene (9.7%), selin-11-en-4-?-ol (5.30%), germacrene d (4.9%), bicyclogermacrene (4.7%), ??muurolene (4.7%), ?-eudesmol (4.52%), ?-himachalen oxide (3.6%), ?-eudesmol (3.54%), ?-bourbonene (3.21%) were found to be ...

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