Page 87 - phytochemistry I - PharmD Clinical
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Source: Lemon grass oil (Citronella grass).

Uses:
Citral has a powerful odor and taste of lemons.
It is used in the compounding of synthetic lemon flavors and in
perfumery.

Aromatic aldehydes:

 Benzald
  ehyde

Source:
Bitter almond and apricot kernels in glycosidic form “Amygdalin”.

Isolation:
Benzaldehyde is produced as a result of the action of enzyme emulsin on
the glycoside amygdalin in an aqueous mixture of ground almond:

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