Raspberry ketone

from Wikipedia, the free encyclopedia
Structural formula
Structural formula of raspberry ketone
General
Surname 4- (4-hydroxyphenyl) butan-2-one
other names
  • Rheosmin
  • RK
  • Raspberry ketone
  • Oxyphenylon
  • Frambinon
Molecular formula C 10 H 12 O 2
Brief description

white powder with a sweet smell

External identifiers / databases
CAS number 5471-51-2
EC number 226-806-4
ECHA InfoCard 100.024.370
PubChem 21648
Wikidata Q414484
properties
Molar mass 164.2 g mol −1
Physical state

firmly

Melting point

82-84 ° C

solubility

Practically insoluble in water

safety instructions
GHS labeling of hazardous substances
07 - Warning

Caution

H and P phrases H: 302
P: 301 + 312
As far as possible and customary, SI units are used. Unless otherwise noted, the data given apply to standard conditions .

Raspberry ketone , also Rheosmin called, is a chemical compound from the substance group of ketones . It is contained in raspberries and, as a so-called character-impact compound, is responsible for the typical smell of the fruit.

Occurrence

Raspberry ketone is the main odor component in raspberries ( Rubus idaeus ). The natural raspberry aroma is, however, caused by around 250 other substances (mostly alcohols such as linalool and geraniol , ketones such as ionone , aldehydes or lactones ).

Raspberries

Rheosmin is also found in raspberries, large-fruited cranberries ( Vaccinium macrocarpon ), blackberries ( Rubus ) and loganberries ( Rubus loganobaccus ) as the glucoside lindleyin or isolindleyin . The ketone is also found in tobacco smoke, although it was not found in the tobacco itself.

application

Raspberry ketone is used to flavor foods such as confectionery. Another possible application is as an insect attractant.

Slimming products

Preparations containing raspberry ketones are also offered as slimming products. These products have become increasingly known since 2012, when the US American The Dr. Oz Show, the controversial American-Turkish surgeon Mehmet Oz had touted preparations containing raspberry ketone as a miracle drug. German consumer advice centers advise against taking such preparations and warn of possible unpleasant to dangerous side effects.

In 2018, online advertisements claimed that certain "diet miracle drugs" containing raspberry ketones had reportedly won the biggest deal in history on the TV show The Lions Den . This claim was exposed as a hoax, the products were never presented there. A year earlier, advertisements for the same product had been placed on Facebook, claiming that reality show actress Daniela Katzenberger had lost weight with it, which was also a hoax.

Individual evidence

  1. ↑ a b c d e Entry for CAS no. 5471-51-2 in the GESTIS substance database of the IFA , accessed on August 1, 2014(JavaScript required) .
  2. ↑ Entry on Impact compound. In: Römpp Online . Georg Thieme Verlag, accessed on August 1, 2014.
  3. ^ R. Marsili: Flavor, fragrance, and odor analysis , CRC Press, 2001, ISBN 978-0-8247-0627-2 .
  4. ^ GA Burdock: Encyclopedia of Food and Color Additives. CRC Press, 1996, ISBN 978-0-8493-9416-4 .
  5. ^ J. Buckingham: Dictionary of natural products , CRC Press, 1994, ISBN 978-0-412-46620-5 , p. 3183.
  6. ↑ TA Perfetti, A. Rodgman: The Chemical Components of Tobacco and Tobacco Smoke , CRC Press, 2008, ISBN 978-1-4200-7883-1 , pp 231st
  7. ↑ TV commercials in The Dr. Oz Show , accessed April 25, 2018
  8. ↑ verbraucherzentrale.de and meine.verbraucherzentrale.de , accessed on April 25, 2018
  9. ↑ Linked advertisement page ( memento from April 26, 2018 in the Internet Archive ), accessed on April 25, 2018
  10. ↑ a b Marvin Schade: Diet rip-off: Fraudsters advertise useless “wonder drugs” with fake recommendations from “Den of the Lions” , MEEDIA from January 3, 2018, accessed on April 25, 2018
  11. ↑ Daniel Bakir: Scam - Diet miracle drug advertises with "Den of the Lions" appearance, which never existed. stern.de from January 4, 2018, accessed on April 25, 2018

Web links