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Type: Article

Section: Flavor > Dietary Supplements

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Organoleptic Characteristics of Flavor Materials August 2018

This month’s column features discussions on cubeb oil, carvacrol natural, juniperberry oil, isoamyl salicylate natural and more

Orange Carbonyls

Chemistry and application

Analysis of Encapsulated Orange Peel Oil

The toluene distillation method is suggested for the routine determination of moisture in spray dried citrus oils. The technique is rapid and due to large sample size, has minimal sampling error, requires minimal equipment and can be performed by an individual with little technical training.

Natural Isolates from Seville Bitter Orange Tree

Bitter orange peel oil is a usefd ingredient for flavorists became of its tenacity. Because of the increase in citrus style scents, the peel oil has gained popularity in the fragrance field, for instance, in men’s line products such as aftershave and body lotions. It serves well in perfumes, toilet waters and cosmetics.

Current Investigations on Orange Peel Oil Fractionation

The main objective of this work is to present our experimental fi ndings concerning the deterpenation of orange peel oil using a vacuum distillation column and some insights into the use of SCFCO2 in a packed high-pressure extraction column.

Counter Current Deterpenation of Cold Pressed Sweet Orange Peel Oil

As with all citrus concentrates made by contacting oil with alcohol, the counter current deterpenated orange oil contains acetal compounds formed from the chemical condensation of aldehydes and alcohol. In flavor applications, they tend to have a “smoothing and fixing effect” in product, which is normally considered as advantageous,

Natural Aroma Chemicals for Oranges and Other Botanical Sources

In this article, I will focus on the production of aroma chemicals from orange. But I will also mention other essential oils that are sources of aroma chemicals.

The quality of Valencia orange peel oil as related to rootstock

The aldehyde and ester content of citrus oils have long been considered important indicators of flavor and aroma, and rootstocks can have an influence on this important quality of an orange oil. However, the limited amount of data accumulated regarding the influence of rootstock on oil quality and yield indicate the need for further study and research to include other varieties and rootstocks of citrus.

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Flavor Bites: Acetal

With a similar odor profile to acetaldehyde, acetal’s odor is less pungent and adds freshness to a wide variety of profiles, especially juicy orange flavors.

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Flavor Bites: Geraniol

The rose character of geraniol is very bright and fragrant but it also possesses considerable depth, which is especially helpful in flavors.

Flavoring with Citrus Oils

Hopefully I have shown that citrus oils are extremely important for the flavoring of foods and beverages and that their consumption is growing steadily at more than 3% per year. On the other hand, the demands for performance can be expected to become more strict, particularly as far as stability and purity are concerned.

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Flavor Bites: Nerolidol

Although subtle, nerolidol’s aroma is highly substantive and works to add depth to more volatile floral notes in a very wide range of flavors.

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Flavor Bites: Xylenols

Used with caution, the impactful xylenol family of ingredients provides burnt odor characters to a range of coffee, seafood, whisky and other flavor applications.

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Flavor Bites: trans-2 Hexenol

Featuring a distinct apple characteristic, the ingredient provides a green profile without a trace of the usual leafy notes and contributes to a finished flavor's authenticity.

Several of this month’s ingredients have potential for application in alcoholic beverages and alcohol-inspired flavors.

Organoleptic Characteristics of Flavor Materials

This month’s column features discussions on juniper berry oil, saffron resinoid, white thyme oil and more.

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Flavor Bites: Hexyl acetate

Combining the attractive characteristics of pear and banana, this ingredient works well together with several hexyl esters, including hexyl butyrate and hexanoate.

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Flavor Bites: Geranyl acetate

Containing a dominant rose note underlaid with fruity nuances, geranyl acetate is ideal for a range of floral, citrus, tropical fruit, berry and other flavor applications.

Spray Drying of Food Flavors—V

Factors influencing shelf-life of encapsulated orange peel oil. This study investigated tbe influence of trace pro-oxidants (e.g., copper and iron), surface oil, entrapped air and absolute density on the shelf-life of spray dried single fold orange peel oil.

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