| Beide Seiten der vorigen Revision
Vorhergehende Überarbeitung
Nächste Überarbeitung
|
Vorhergehende Überarbeitung
|
ribes_rubrum_l [2016/11/30 14:53]
andreas |
ribes_rubrum_l [2021/10/14 19:27] (aktuell)
andreas |
| [Isolation, structure determination, and sensory activity of mouth-drying and astringent nitrogen-containing phytochemicals isolated from red currants (Ribes rubrum)., Schwarz, B., Hofmann, T., Journal of agricultural and food chemistry, Vol.55(4), 2007, 1405-1410] | [Isolation, structure determination, and sensory activity of mouth-drying and astringent nitrogen-containing phytochemicals isolated from red currants (Ribes rubrum)., Schwarz, B., Hofmann, T., Journal of agricultural and food chemistry, Vol.55(4), 2007, 1405-1410] |
| |
| Main volatile compounds with C6 skeleton of fresh juice of R.rubrum are C6 alcohols, notably (E)-hex-2-en-1-ol, followed by hexanol and (Z)-hex-3-en-1-ol. The aldehydes (E)-hex-2-enal and (Z)-hex-3-enal are present in small amounts (< 10 μg/L). \\ | Main volatile compounds with C6 skeleton of fresh juice of R.rubrum are C6 alcohols, notably (E)-hex-2-en-1-ol, followed by hexanol and (Z)-hex-3-en-1-ol. The aldehydes (E)-hex-2-enal and (Z)-hex-3-enal are present in small amounts (< 10 μg/L). Vanillin, 2-isobutyl-3-methoxypyrazine, sotolon, (Z)-hex-3-enal, acetic acid, pentanoic acid, (Z)-octa-1,5-dien-3-one, and furaneol showed the highest FD factors (≥ 16). Ten substances were odour-active (OAVs ≥ 1): (E)-ß-damascenone (fruity, canned peach), (Z)-hex-3-enal (grassy), 2-isobutyl-3-methoxypyrazine (green pepper), acetic acid (vinegar), oct-1-en-3-one (mushroom, metallic), (E)-hex-2-enal, (apple, marzipan), 2-isopropyl-3-methoxypyrazine (musty), pent-1-en-3-one (solvent), (Z)-hex-3-en-1-ol (fruity, sweet), and vanillin. A reconstitution model with the ten aroma active compounds showed the importance of these compounds, but the reconstructed aroma did not fully reflect the original aroma profile. \\ |
| [Kapillargaschromatographische und sensorische Untersuchungen flüchtiger Verbindungen in Stachelbeeren (Ribes uva crispa L.) und Jostabeeren (Ribes x nidigrolaria Bauer)., Schrade, K.S., Doctoral dissertation, München, Technische Universität München, Diss., 2014] [[http://mediatum.ub.tum.de/doc/1183254/document.pdf]] | [Kapillargaschromatographische und sensorische Untersuchungen flüchtiger Verbindungen in Stachelbeeren (Ribes uva crispa L.) und Jostabeeren (Ribes x nidigrolaria Bauer)., Schrade, K.S., Doctoral dissertation, München, Technische Universität München, Diss., 2014] [[http://mediatum.ub.tum.de/doc/1183254/document.pdf]] |
| | |
| | "The sensory evaluations of the different Ribes species revealed that (Z)-hex-3-enal is an odour-active substance with a high OAV in fruits of each of the Ribes species. (E)-ß-damascenone, the compound with the highest OAV in redcurrant berries, however, was not identified as an odour-active compound in fruits of any of the three other Ribes species and represents a distinguishing feature of the aroma of redcurrant fruits. Further, acetic acid, which was also identified as a compound with a high OAV in redcurrant berries, was only identified as an odour-active compound in gooseberry fruits via GC/O. Vanillin was not identified in the other Ribes species as an odour-active compound. The other odour-active compounds of redcurrant berries, i.e. (E)-hex-2-enal, (Z)-hex-3-en-1-ol, 2-isobutyl-3-methoxypyrazine, 2-isopropyl-3-methoxypyrazine, oct-1-en-3-one, and pent-1-en-3-one, were also identified in berries of blackcurrant, gooseberry, and/or jostaberry as odour-active compounds with an OAV > 1 (Hempfling et al. 2013a; Hempfling et al. 2013b; Schrade 2014)." \\ |
| | [Jung, Kathrin. Analysis and sensory evaluation of volatile constituents of blackcurrant (Ribes nigrum L.) and redcurrant (Ribes rubrum L.) fruits. Diss. Technische Universität München, 2018] [[https://mediatum.ub.tum.de/doc/1427712/file.pdf]] |
| |
| {{:ribes_rubrum.jpg?600}} \\ | {{:ribes_rubrum.jpg?600}} \\ |
| [[http://www.plantillustrations.org/species.php?id_species=882170]] | [[http://www.plantillustrations.org/species.php?id_species=882170]] |
| |
| {{:rotejohannisbeeren.jpg?800}} \\ | {{:rotejohannisbeeren.jpg}} \\ |
| Ribes rubrum fruits, [[https://creativecommons.org/licenses/by-sa/3.0/de/|CC BY-SA 3.0]], Author: Andreas Kraska | Ribes rubrum fruits, [[https://creativecommons.org/licenses/by-sa/3.0/de/|CC BY-SA 3.0]], Author: Andreas Kraska |
