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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
Progress in Essential Oils: Carrot Seed Oil
The oil of carrot and carrot seed has been the subject of a number of studies. This article reviews the results of several, including: hydrocarbons characterized in the leaf headspace; the chiral analysis of five constituents found in the headspace; GC/MS findings in a commercial sample of carrot seed oil; GC-FID and GC/MS analyses of oils from ‘Perfkcja,’ ‘Koral’ and ‘Dolanka’ cultivars; and others.
Jun 1st, 2015
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
Progress in Essential Oils
Brian Lawrence discusses Juniperberry Oil, Juniper Leaf, Branch and Wood Oils, Eucalyptus citriodora Oil, Cubeb Oil
Apr 6th, 2016
Progress in Essential Oils
Brian Lawrence discusses Manuka oil, Spanish Sage Oil, Eucalyptus globulus Oil, Parsley Leaf Oil
Apr 6th, 2016
Progress in Essential Oils
Brian Lawrence discusses Pepper Oil, Piper nigrum, Caraway Herb, Seed and Root Oils, Cinnamon Leaf Oil, Patchouli Oil,
Apr 6th, 2016
Progress in Essential Oils
Brian Lawrence discusses thyme oil, Origanum oil, Armoise oil, Large Cardamom, Nepalese Cardamom Oil,
Apr 6th, 2016
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