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Feb 12, 2008 | 11:55 AM CST
By: Mans H. Boelens, Harrie Boelens and Leo J. van…
It has long been known that optically active stereoisomers—optical antipodes or enantiomers—can have different sensory qualities. The most illustrative examples of this phenomenon are the enantiomers of carvone and menthol.
Especially during the last decade the interest in the separation and determination of the sensory properties of natural enantiomers has resulted in a large number of publications. This increasing interest was initiated by the development of new chromatographic separation techniques on optically active stationary phases and arose from the need to prove the naturalness of certain enantiomers. Numerous enantiomers have already been isolated and/or synthesized and their sensory properties have been investigated. These sensory properties of the compounds concern their odor qualities and threshold values in certain media. Because the determination of the sensory properties is a rather subjective task due to intra- and inter-individual differences, it is not suprising that some confusion exists about these properties. The sensory properties of a series of volatile enantiomers, which are important in flavors and fragrances, will be discussed in this article.
Feb 06, 2008 | 08:10 AM CST
The conversation on TTB's view of natural vanilla continues
Feb 01, 2008 | 04:57 PM CST
The European Food Safety Authority (EFSA) Panel on additives, flavorings, processing aids and materials in contact with food (AFC) is working on a systematic evaluation of the safety of flavoring substances currently in use in the European Union.
Jan 29, 2008 | 02:20 PM CST
FEMA is supporting a pair of proposed bills in the US Congress that would eliminate taxes on alcohol used as a flavor solvent (flavors being considered "non-beverage" products) in US foreign trade zones.
Jan 21, 2008 | 06:26 PM CST
A sampling of some recent trend studies
Jan 07, 2008 | 10:52 AM CST
Researchers from Ochanomizu University (Tokyo) and the Technical Research Center at T. Hasegawa Co. have found that volatile extracts from celery can enhance the umami and sweet properties of chicken broth.
Jan 02, 2008 | 11:33 AM CST
The European Flavour and Fragrance Association (EFFA) has released its most recent Status Table, which contains the FL numbers appearing in the Register but not taken up in the EFFA submissions.
Dec 27, 2007 | 10:16 AM CST
The European Flavour & Fragrance Association (EFFA) (Brussels, Belgium) has issued an information letter discussing changes in the European Commission's labeling requirements for foodstuffs containing certain celery and mustard-derived materials, as well as fish gelatin.
Dec 21, 2007 | 04:38 PM CST
With an Occupational Safety and Health Administration's final diacetyl rules forthcoming, ConAgra has joined other microwave popcorn producers such as Weaver Popcorn Co., General Mills and American Pop Corn Co. in forgoing diacetyl
Dec 21, 2007 | 04:08 PM CST
Canadian Prime Minister Stephan Harper has announced proposed new measures for toughening the federal governments food, health and consumer product regulations