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Type: Article

Section: Flavor

New Resources of Essential Oils in China

China's enormous land area extends over a great variety of land types which includes tropical, subtropical and temperate zones. Favorable conditions, therefore, exist for the growth of a wide range of aromatic plants.

Volatile Character-Impact Sulfur Compounds and their Sensory Properties

Volatile organic sulfur compounds are important constituents for the flavor of food, beverages and natural isolates. These character-impact sulfur compounds are, often in a certain low concentration, characteristic for the sensory properties of the material.

The Cinnamomum Species in China: Resources for the Present and Future

The utilization of leaves and branches (renewable resources) to produce oils from various Cinnamomum species has helped immensely in protecting our valuable resources. In China, many scientists are engaged in research studies on the botanical, genetic, ecological, agronomic, biochemical and chemical aspects of this important plant family.

Aldehyde Generators for Flavors

The quest to deliver unstable aldehydes to food systems by the use of generators is being realized. With the proper generator, flavors can be created for use under conditions traditionally unfavorable to aldehydes, As in other derived systems it appears best to employ nature as a model and to design generators in the same way that nature produces flavors.

The Sweet Smell of Standards

We can conclude with confidence that the demand for new international standards in the field of essential oils will continue to grow. We need such standards to facilitate world trade and to promote the quality of the products.

thyme

Progress in Essential Oils:Thymol-rich Thymus vulgaris oils – Part 2

We take a closer look at the various constituents of thymol-rich thyme oils hailing from various parts of Iran, as well as Turkey, Czech Republic, Spain and Brazil.

Citrus essential oils

The recent trend toward natural ingredients in foods should increase the use of natural citrus oils and aqueous essences, They provide a wide range of flavors and solubility characteristics for use in foods, cosmetics, and cleansers and can he declared as natural ingredients on the label.

celery

Progress in Essential Oils: Celery Seed and Leaf Oils

This month's column discusses the chemical compositions of celery seed leaf and oil.

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.

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.).

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.

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.).

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.

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.

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:

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.

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:

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.

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