نتایج جستجو برای: germacrene d

تعداد نتایج: 577649  

Journal: :journal of medicinal plants and by-products 0

the genus ocimum l. belonging to family of lamiaceae is widely distributed in iran, ocimum sanctum l. is described in many medicinal properties and a wide therapeutic range. it is used specially in the management of cough, ashtma, fever and common cold. in this research, samples were collected from shahr-e-rey, on august 2013, then essential oils were extracted by  hydro-distillation and steam ...

Journal: :Journal of chromatography. A 2002
Leopold Jirovetz Gerhard Buchbauer Martin Benoit Ngassoum Margit Geissler

The investigation of aroma compounds of the essential oils of dried fruits of black pepper (Piper nigrum) and black and white "Ashanti pepper" (Piper guineense) from Cameroon by means of solid-phase microextraction (SPME) was carried out for the first time to identify the odorous target components responsible for the characteristic odor of these valuable spices and food flavoring products. By m...

Journal: :Revista Brasileira de Farmacognosia 2022

Abstract Citrus fruits are among the most important economical crops, because of their nutritional value, medicinal importance, and unique flavor. Gas liquid chromatography-mass spectrometry hydro-distilled oil from root resulted in identification 110 compounds with germacrene B (22%), aromadendrene (21.6%), α-santalene (7.1%), geijerene (4,81%), D (4.3%), limonene (3.4%) as major constituents....

Journal: :Natural Volatiles and Essential Oils 2021

The essential oil (EO) from leaves of Annona neosalicifolia H. Rainer (Annonaceae) obtained two chemotypes in the southern Brazilian Atlantic Rainforest was analysed both by GC-FID and GC-MS. Forty compounds were identified, accounting for 95.9 to 99.5% total each sample. VOs characterized predominance sesquiterpenes all samples, being main bicyclogermacrene (13.9-41.8%) beta-caryophyllene (9.3...

Journal: : 2023

Thông nàng (Dacrycarpus imbricatus (Blume) de Laub.) là cây gỗ lớn, cao tới 35m, phân bố rộng rãi ở một số tỉnh của Việt Nam. Tinh dầu từ cành mang lá loài imbricatus) thu mẫu tại Khu bảo tồn thiên nhiên Xuân Nha, Mộc Châu, Sơn La, được chưng cất bằng phương pháp lôi cuốn hơi nước có hồi lưu. Hàm lượng tinh đạt 0,025% (theo nguyên liệu khô không khí). màu vàng nhạt, nhẹ hơn nước. Bằng sắc ký kh...

Journal: :Turkish Journal of Agriculture and Forestry 2023

Lemon balm (Melissa officinalis L.) is a plant of the family Lamiaceae. The present study aimed to determine chemical composition lemon essential oil grown in Northeastern Bulgaria, perform comparative analysis its antimicrobial activity with that citral, and surface tension properties. main compounds (concentration above 3%) were: ß-caryophyllene (20.45%), geranial (19.74%), neral (15.81%), ge...

Journal: :Europan journal of science and technology 2023

In this study, the essential oil chemical compounds of rosemary (Rosmarinus officinalis L.) and its antioxidant activity on oxidation stability refined sunflower (RSO) were investigated by Rancimat method. The plant material was obtained from Afyonkarahisar Medicinal Aromatic Plants Center/Turkey. Based GC/FID-MS analysis result, 1,8-Cineole (15.18%), Camphor (11.39%), Borneol Germacrene D (11....

Journal: :Nova Biotechnologica et Chimica 2022

Globba macrocarpa Gagnep. is a rare species of genus (Zingiberaceae family). The present study reported the chemical compositions and antibacterial effects acetone extracts obtained from G. rhizomes aerial parts. By using Gas Chromatography Mass Spectrometry (GC/MS) assay, fifty thirty-two compounds were identified parts species, respectively. Of those, germacrene D (15.25 %), 1H-indole, 4-(3-m...

Journal: :Bioresources 2021

Oils extracted from Cymbopogon citratus, Lantana camara, Artemisia camphorata, and Imperata cylindrica plants were used as potential insecticides against the rice weevil, Sitophilus oryzae (L.) (Coleoptera: Curculionidae). The phytochemical composition of isolated oils was identified by gas chromatograph-mass spectrometry (GC-MS). Oil contact toxicities evaluated adults S. oryzae. activities ac...

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