Citronellal: a natural aldehyde with important properties

Area of Science:

• Natural Product Chemistry
• Pharmacology
• Organic Chemistry

Background:

• Citronellal is a monoterpene aldehyde found abundantly in Cymbopogon genus essential oils.
• It serves as a fragrance ingredient and a precursor for (-)-menthol synthesis.
• Numerous studies indicate significant biological activities of citronellal.

Purpose of the Study:

• To conduct a comprehensive literature review on the diverse biological properties of citronellal.
• To consolidate existing research on citronellal's therapeutic and bioactive potential.

Main Methods:

• Systematic literature search was performed using scientific databases.
• Data extraction and synthesis focused on studies reporting biological activities of citronellal.
• Analysis included antibacterial, antifungal, insecticidal, and other pharmacological effects.

Main Results:

• Citronellal demonstrates potent antibacterial activity against Staphylococcus and Escherichia bacteria.
• It exhibits significant antifungal properties, particularly against Candida species.
• Additional properties include insecticidal, acaricidal, antiparasitic, antiviral, antioxidant, anti-inflammatory, and anticancer effects.

Conclusions:

• Citronellal possesses a broad spectrum of biological activities, underscoring its therapeutic relevance.
• Further research into citronellal's mechanisms of action and clinical applications is warranted.
• Its natural origin and multifaceted properties make it a compound of significant interest in medicinal chemistry.