منابع مشابه
Olive Oil Composition: Volatile Compounds
In general olive oil is defined on the basis of its sensory characteristics. European Union (EU) regulations establish the organoleptic quality of virgin olive oil by means of a panel test, evaluating positive and negative descriptors (EU regulations). For the organoleptic assessment, several volatile compounds are considered as the main responsible for negative and positive attributes. Volatil...
متن کاملDetermination of aroma and bitter characteristic of Iranian hop (Humulus lupulus L.) variety by essential oil analysis
Hop (Humulus lupulus L) is cultivated worldwide for two purposes of aroma and bitter taste. The main objective of this study was to determine the predominant characteristic of hop cultivated in Iran using GC-MS analysis of essential oils obtained from fresh and heat dried hop strobiles. Essential oils (EO) of female flowers of hop (Humulus lupulus L.) cultivated in Gorgan, Iran were obtained by...
متن کاملEssential oil composition of Teucrium scordium L.
Composition of the essential oil obtained from dried flowering aerial parts of Teucrium scordium L. (Labiatae) was analyzed by GC and GC/MS. Fifty-six components were identified in the essential oil of T. scordium. The major constituents of the oil were beta-caryophyllene (22.8%), (E)-beta-farnesene (10.4%), caryophyllene oxide (8.6%), 1,8-cineole (6.1%) and beta-eudesmol (5.1%).
متن کاملComposition of the essential oil of Lonicera heterophylla Decne.
Aerial parts of the plant (250 g) were collected during flowering in April 2000 from Tehran province in Iran. The essential oil was obtained by steam distillation of air-dried aerial parts in an all-glass apparatus. The sample oil that was light yellow in color was dried over anhydrous sodium sulfate and stored under nitrogen in a sealed vial until required. The essential oil was examined by GC...
متن کاملComposition of Essential Oil of Artemisia persica Boiss. from Iran
The steam-distilled essential oil from Artemisia persica growing wild in Iran was analyzed by GC/MS. In all 50 compounds were identified; Davanone (60.56%), Cis Chrysanthenyl acetate (8.65%), Limonene (5.68%), ? Pinene (3.74%), Davanone ether isomer + (3.6%) and ? Thujene (3.6%) were the main components of the oil respectively.
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ژورنال
عنوان ژورنال: Journal of the Institute of Brewing
سال: 1963
ISSN: 0046-9750
DOI: 10.1002/j.2050-0416.1963.tb01953.x