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The Use of Enzyme Systems of the Genus Prunus for the Production of Benzaldehyde Cover

The Use of Enzyme Systems of the Genus Prunus for the Production of Benzaldehyde

European Pharmaceutical Journal
Volume 69 (2022): Issue 2 (August 2022)
By: P. Dočolomanský,  V. Sitkey and  I. Čičová  
Open Access
|May 2023

Figures & Tables

Figure 1

Amygdalin hydrolysis and conversion pathway to benzaldehyde and hydrogen cyanide (Luo et al., 2018).
Amygdalin hydrolysis and conversion pathway to benzaldehyde and hydrogen cyanide (Luo et al., 2018).

Figure 2

GC-MS chromatogram of the peach leaves essential oil (variety Flamingo). The individual compounds are described in table 2.
GC-MS chromatogram of the peach leaves essential oil (variety Flamingo). The individual compounds are described in table 2.

Figure 3

GC-FID chromatogram of hydrosol extracted with ethyl acetate, after hydrodistillation of apricot Bergeval leaves in Clevenger apparatus. The major constituents are representing by peaks at the following retention times (RT): 2.21 min (E)-2-hexenal; 3.54 min (Z)-3-hexenol); 3.83 min (E)-2-hexenol) and 6.17 min (benzaldehyde).
GC-FID chromatogram of hydrosol extracted with ethyl acetate, after hydrodistillation of apricot Bergeval leaves in Clevenger apparatus. The major constituents are representing by peaks at the following retention times (RT): 2.21 min (E)-2-hexenal; 3.54 min (Z)-3-hexenol); 3.83 min (E)-2-hexenol) and 6.17 min (benzaldehyde).

Figure 4

GC-FID chromatogram of the essential oil obtained from apricot seeds (Prunus armenica).
GC-FID chromatogram of the essential oil obtained from apricot seeds (Prunus armenica).

Figure 5

Peach leaves with twigs.
Peach leaves with twigs.

Figure 6

Cherry laurel growing in Piešťany, October 2021.
Cherry laurel growing in Piešťany, October 2021.

GC-MS identification of volatile organic compounds in the essential oil of peach leaves (variety Flamingo)_

Retention time (min)Library/ID
1.6219acetic acid, butyl ester
1.74291-butanol, 2-methyl-, acetate
1.7800acetaldehyde, butylhydrazone
2.1674butanoic acid, butyl ester
2.2504(E)-2-hexenal
4.0296(E)-2-hexen-1-ol
4.82441-octen-3-ol
5.3735l-menthone
6.1015menthone
7.0526benzaldehyde
7.5547menthyl acetate
8.6627cyclooctyl alcohol
9.0594levomenthol
9.2964acetophenone
10.1304piperitone
10.9990benzyl alcohol
11.8972benzyl nitrile
13.34304-imidazolidinone, 1-acetyl-2-thioxo-
18.80741,4-diphenylpyrazole
23.5554mandelamide

Harvesting time, leaf essential oil yield, and benzaldehyde content in different varieties of Prunus from Southwestern Slovakia_

PlantDate of harvestEssential oil yield (ml/100 g fresh leaves)Benzaldehyde content in leaf essential oil %
Wild peach 1*27.07.20210.34792.93
Wild peach 2*27.07.20210.32796.44
Redhaven*04.08.20210.28895.56
Firehaven*05.08.20210.30194.94
Groshaven*06.08.20210.30994.11
Flamingo*06.08.20210.38495.94
Bergeval**06.08.2021not detectednot detected

Differences in essential oil yield and benzaldehyde content in cherry laurel depending on harvesting dates_

PlantDate of harvestEssential oil yield (ml/100 g fresh leaves)Benzaldehyde content %
Cherry laurel*10.11.20210.46399.70
Cherry laurel**11.01.20220.15599.51
Cherry laurel*17.03.20220.32898.31
Cherry laurel**25.03.20220.43397.04
Cherry laurel**06.04.20220.54794.51
DOI: https://doi.org/10.2478/afpuc-2022-0017 | Journal eISSN: 2453-6725
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Language: English
Page range: 34 - 41
Submitted on: May 16, 2022
Accepted on: Aug 10, 2022
Published on: May 9, 2023
Published by: Comenius University in Bratislava, Faculty of Pharmacy
In partnership with: Paradigm Publishing Services
Publication frequency: 2 issues per year
Keywords:
Amygdalin,
benzaldehyde,
biotechnology,
essential oil,
hydrodistillation
Related subjects:
Pharmacy,
Pharmacy, other

© 2023 P. Dočolomanský, V. Sitkey, I. Čičová, published by Comenius University in Bratislava, Faculty of Pharmacy
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.

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