What Is Perillaldehyde?
Perillaldehyde is a clear colorless or light brown liquid organic compound with a characteristic odor, predominantly found in Perilla frutescens (shiso). Its CAS registration number is 2111-75-3.
Uses of Perillaldehyde
Primarily used as a flavoring agent in foods, perillaldehyde is also an essential oil extracted from natural Perilla frutescens. It is known for its antibacterial properties and is used as a therapeutic agent with anti-inflammatory effects.
Properties of Perillaldehyde
Perillaldehyde has a boiling point of 237°C, a density of 0.953 g/cm3, and is miscible with methanol and ethanol but insoluble in water. Its chemical formula is C10H14O, and it has a molecular weight of 150.22. As a monoterpene with a formyl group, it exists in linear and cyclic forms and can undergo various biochemical modifications. Perillaldehyde has two mirror-image isomers, with the (4S)-form (or (-)-Perillaldehyde) found in shiso.
Other Information on Perillaldehyde
1. Aroma of Perillaldehyde
Perillaldehyde, along with other essential oil components like limonene and pinene, contributes to the unique aroma of shiso. Shiso, a savory vegetable, is widely used in culinary applications for its distinctive flavor.
2. Effects of Perillaldehyde
Perillaldehyde offers strong antibacterial and antiseptic effects, aiding in food preservation, stimulating digestive enzymes, enhancing appetite, and regulating stomach function.
3. Related Compounds of Perillaldehyde
Perillaldehyde is used in volatile oils for flavoring and in fragrances. Perillalcohol, synthesized from perillaldehyde, serves a similar purpose. Additionally, perillartin, the oxime of perillaldehyde and a primary ingredient in perilla sugar is notably sweeter than sucrose.