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

P. Dočolomanský

P. Dočolomanský

Axxence Slovakia s.r.o.Bratislava,
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Dočolomanský, P.
, 
V. Sitkey

V. Sitkey

Axxence Slovakia s.r.o.Bratislava,
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Sitkey, V.
 and 
I. Čičová

I. Čičová

NPPC VÚRV PiešťanyPiešťany,
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Čičová, I.
  
May 09, 2023
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Article Category: Original Paper
Published Online: May 09, 2023
Page range: 34 - 41
Received: May 16, 2022
Accepted: Aug 10, 2022
DOI: https://doi.org/10.2478/afpuc-2022-0017
Keywords
© 2022 P. Dočolomanský et al., published by Sciendo
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

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
1.6219 acetic acid, butyl ester
1.7429 1-butanol, 2-methyl-, acetate
1.7800 acetaldehyde, butylhydrazone
2.1674 butanoic acid, butyl ester
2.2504 (E)-2-hexenal
4.0296 (E)-2-hexen-1-ol
4.8244 1-octen-3-ol
5.3735 l-menthone
6.1015 menthone
7.0526 benzaldehyde
7.5547 menthyl acetate
8.6627 cyclooctyl alcohol
9.0594 levomenthol
9.2964 acetophenone
10.1304 piperitone
10.9990 benzyl alcohol
11.8972 benzyl nitrile
13.3430 4-imidazolidinone, 1-acetyl-2-thioxo-
18.8074 1,4-diphenylpyrazole
23.5554 mandelamide

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

Plant Date of harvest Essential oil yield (ml/100 g fresh leaves) Benzaldehyde content in leaf essential oil %
Wild peach 1* 27.07.2021 0.347 92.93
Wild peach 2* 27.07.2021 0.327 96.44
Redhaven* 04.08.2021 0.288 95.56
Firehaven* 05.08.2021 0.301 94.94
Groshaven* 06.08.2021 0.309 94.11
Flamingo* 06.08.2021 0.384 95.94
Bergeval** 06.08.2021 not detected not detected

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

Plant Date of harvest Essential oil yield (ml/100 g fresh leaves) Benzaldehyde content %
Cherry laurel* 10.11.2021 0.463 99.70
Cherry laurel** 11.01.2022 0.155 99.51
Cherry laurel* 17.03.2022 0.328 98.31
Cherry laurel** 25.03.2022 0.433 97.04
Cherry laurel** 06.04.2022 0.547 94.51
Language:
English
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Journal Subjects:
Pharmacy, Pharmacy, other
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