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marjoram
Progress in Essential Oils: Spanish Marjoram Oil
This month's column discusses the chemical composition of Spanish marjoram oil.
Mar 27th, 2017
Plant equipment for the production of essential oils and aroma chemicals
The flood of information from the literature and the widespread use of advanced analytical instruments have stimulate d the organic chemist to synthesize not only these products occurring in nature but many other useful and interesting homologues.
Apr 27th, 2016
New Technologies For The High-Speed Characterization and Analysis Of Essential Oils
Dramatic reductions in characterization and analysis times for essential oils were achieved using high speed gas chromatography (HSGC) and time-of-flight mass spectrometry (TOFMS). High-speed separations were achieved with relatively short capillary separation columns operated with high carrier-gas flow rates and fast temperature programming. Unique features of TOFMS include high spectral acquisition rates and spectral continuity (constant ion-abundance ratios across chromatographic peak profile).
Dec 28th, 2008
The FDA concluded that the 'intended use of BVO in food is no longer considered safe after the results of studies conducted in collaboration with the National Institutes of Health (NIH) found the potential for adverse health effects in humans.'
The U.S. FDA Revokes Regulation Authorizing Use of Brominated Vegetable Oil in Food
The FDA is taking this action as part of our regulatory authority over ingredients added to food, which includes reassessing previously evaluated food ingredients and addressing safety concerns.
Jul 11th, 2024
Volubility Behaviour and Fractionation of Essential Oils in Dense Carbon Dioxide
The extraction with dense gas proves to be a true alternative to the conventional procedures. To obtain essential oils or aroma substances which are used in perfume industries, in the pharmaceutical sector or in the food and human nutrition field, carbon dioxide offers itself as an extractant which is physiologically unobjectionable and leaves the obtained products free of solvents.
Apr 6th, 2016
Thoughts On Aroma Chem Essential cals for Oils and Flavors and Fragrances
The ultimate goal of the flavor and fragrance industry is to improve the quality of life through production and focused application of flavors and fragrances. In order to do this, one must first understand the basic role of smell and taste in life. This means investing in research into the science of smell and taste
Apr 6th, 2016
Progress in Essential Oils
Lawrence discusses the composition of clary sage oil from Italy, Serbia, Uruguay, Slovak Republic and India. Lithuania, Additionally, he covers the composition of lavender oil from India, Greece, Russia, Italy and France; and the composition of ginger oil from Mauritius, India, Australia, Hong Kong, Vietnam, Jamaica, Brazil and China.
Nov 6th, 2008
Progress in Essential Oils
Lawrence discusses the composition of thyme oil (Thymus vulgaris L.) from Italy, Lithuania, Renunion, Brazil, Germany, Jordan and Cuba. Additionally, he covers the composition of Spanish thyme oil (Thymus zygis L.).
Nov 6th, 2008
Progress in Essential Oils
Lawrence discusses the composition of styrax oil from Turkey, Honduras and Australia. He also discusses the composition of galbanum oil from Iran, and clove oils and extracts from India, Egypt and Madagascar.
Nov 28th, 2008
Progress in Essential Oils
In every issue, essential oil expert Brian Lawrence examines and reviews the studies published by authors on a wide variety of essential oils. He explores the studies' results and notes when something is incorrect or needs further study. In this issue, Lawrence covers: calendula oil (Calendula officinalis L.).
Dec 28th, 2008
Progress in Essential Oils
In every issue, essential oil expert Brian Lawrence examines and reviews the studies published by authors on a wide variety of essential oils. He explores the studies' results and notes when something is incorrect or needs further study. In this issue, Lawrence covers: genet oil (Spartium junceum L.) from Italy; sambac oil (Jasminum sambac L. Aiton) and extracts from China and India; lemon myrtle oil (Backhousia citriodora F.Muell.) from Australia; and tangerine oil (Citrus reticulata Blanco and Citrus tangerina) from Florida, China, Kenya, Vietnam and Mexico.
Dec 28th, 2008
Progress in Essential Oils
Lawrence discusses the composition of carrot oil (Daucus carota L. ssp. carota and Daucus carota L. ssp. sativus from Poland, Lithuania, France and India.
Dec 28th, 2008
Progress In Essential Oils
Ocimum gratissimum oil. A sample of O. gratissimum obtained from Zhanjiang (Guangdong, China) was analyzed by Zhu et al. (1993) using GC/MS. Its composition was determined to be as follows:
Dec 28th, 2008
Progress In Essential Oils
Pinus sylvestris oil
Juvonen (1969) compared the composition of the oils obtained from the needles harvested from three separate Pinus sylvestris trees in Finland. The results of his analyses are shown in T-1.
Dec 28th, 2008
Progress In Essential Oils
Thyme Oil Using a combination of TLC and IR as his method of analysis, Popesco (1983) found that a thyme oil (ex. Thymus vulgaris) of Romanian origin tentatively contained the following constituents:
Dec 28th, 2008
Progress in Essential Oils
Lawrence discusses the composition of Tea tree oil from Australia and its chiral constituents. Additionally, he covers angelica root oil from Romania and Canada. Finally, Lawrence covers pimento berry and leaf oil from Mexico and Cuba.
Dec 28th, 2008
Progress in Essential Oils
Lawrence discusses the composition of Lemon oil from West Africa, Egypt, Japan, Italy, Greece, Venezuela, India and its chirality. Lawrence also discusses jamrosa oil from India.
Dec 28th, 2008
Progress in Essential Oils
Bitter orange oil, and chamomile oil and extract.
May 4th, 2009
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