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Citronellal

physical science Maturity 11-13 Next article →

Some plants have a strong lemon scent. This smell comes from a part called citronellal. It is the main part of citronella oil. This oil comes from many plants. It comes from lemon-scented gum and tea tree plants. It also comes from Cymbopogon plants.

One type of citronellal is found in kaffir lime leaves. It makes up 80% of the oil in those leaves. This part gives the leaves their special smell.

Citronellal is very useful. It has insect repellent properties. This means it helps keep bugs away. Research shows it works well against mosquitoes. It also has antifungal qualities. This means it can stop fungi from growing. Fungi are tiny things that can grow on plants.

Scientists use the name citronellal to talk about this chemical. It is a monoterpenoid aldehyde. This is a type of chemical compound. It is also called rhodinal. People use it for many different things.

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