نتایج جستجو برای: volatile organiccompounds

تعداد نتایج: 39368  

Journal: :Proceedings of the National Academy of Sciences of the United States of America 2005
Philip A Bland Olivier Alard Gretchen K Benedix Anton T Kearsley Olwyn N Menzies Lauren E Watt Nick W Rogers

Bulk chondritic meteorites and terrestrial planets show a monotonic depletion in moderately volatile and volatile elements relative to the Sun's photosphere and CI carbonaceous chondrites. Although volatile depletion was the most fundamental chemical process affecting the inner solar nebula, debate continues as to its cause. Carbonaceous chondrites are the most primitive rocks available to us, ...

2014
Barbara Laddomada Laura Del Coco Miriana Durante Dominique S. Presicce Pietro A. Siciliano Francesco P. Fanizzi Antonio F. Logrieco

Volatile metabolites from mold contamination have been proposed for the early identification of toxigenic fungi to prevent toxicological risks, but there are no such data available for Fusarium poae. F. poae is one of the species complexes involved in Fusarium head blight, a cereal disease that results in significant yield losses and quality reductions. The identification of volatile organic co...

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...

Alireza Ghannadi Azadeh Rahimzadeh Mohammadreza Shams-Ardakani,

      The volatile oil obtained by hydrodistillation of the aerial parts of Matricaria chamomilla L. (Asteraceae) growing in Botanical Garden, Isfahan University of Medical Sciences, Iran, was investigated by gas chromatography (GC) and GC/ mass spectrometery (MS). Sixty-three components were characterized, representing 86.21% of the total oil components detected. α-B...

2017
Riru Zheng Cai Liu Yanli Wang Jing Luo Xiangling Zeng Haiqin Ding Wei Xiao Jianping Gan Caiyun Wang

Osmanthus fragrans Lour. is one of the top 10 traditional ornamental flowers in China famous for its unique fragrance. Preliminary study proved that the terpenoids including ionone, linalool, and ocimene and their derivatives are the dominant aroma-active compounds that contribute greatly to the scent bouquet. Pollination observation implies the emission of aromatic terpenoids may follow a circ...

Journal: :iranian journal of pharmaceutical sciences 0
mohammadreza shams-ardakani department of pharmacognosy, faculty of pharmacy, tehran university of medical sciences, tehran, iran alireza ghannadi department of pharmacognosy, faculty of pharmacy, isfahan university of medical sciences, isfahan, iran azadeh rahimzadeh department of pharmacognosy, faculty of pharmacy, isfahan university of medical sciences, isfahan, iran

the volatile oil obtained by hydrodistillation of the aerial parts of matricaria chamomilla l. (asteraceae) growing in botanical garden, isfahan university of medical sciences, iran, was investigated by gas chromatography (gc) and gc/ mass spectrometery (ms). sixty-three components were characterized, representing 86.21% of the total oil components detected. α-bisabolol oxide a (25.01%) and a-b...

Journal: :research in pharmaceutical sciences 0
s dehshahri s afsharypuor g asghari a mohagheghzadeh

moringaceae, a monogeneric family in capparales (glucosinolate-containing species), includes 14 species. one of them is moringa peregrina (forssk.) fiori., a small tree, which grows in south east of iran. volatile constituents of seed coat and stem of m. peregrina were determined by gc and gc/ms. moreover, extracts of seed and different cultured cells were analyzed by tlc and gc. three volatile...

Journal: :Molecules 2017
Mingxia Zhang Linbo Li Zhongwei Wu Yanjie Wang Yiming Zang Guojie Liu

This study investigated the composition of volatile compounds in two pummelo cultivars, including 'Shatian' and 'Guanxi', cultivated in different regions of China with the aim of studying the effect of cultivar and cultivation condition on biosynthesis of volatile compounds in pummelo. Volatile compounds were extracted from pummelo juice using head-space microextraction and then analyzed using ...

Journal: :Journal of the Institute of Brewing 1962

Journal: :British Journal of Anaesthesia 1958

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