Extraction and production of canolol

The importance of natural antioxidant compounds has increased due to concerns over synthetic antioxidants like BHA and BHT. The food industry is seeking natural preservatives and antioxidants to extend shelf life and improve product quality. Rosemary extracts have been successful but can impart flavor and aroma to foods, prompting interest in alternative sources like canolol. Canolol has gained attention because of its high antioxidant potential and strong radical scavenging activity. It is not naturally occurring but is formed during thermal processing of oilseed products such as canola and mustard through the conversion of sinapine and sinapic acid. Canolol’s formation is influenced by processing conditions like temperature, pressure, and pH, and it is more concentrated in the oil fraction, indicating lipophilic stability. Due to its high reactivity, canolol is unstable at room temperature and can oxidize easily, forming various oligomers. Its antioxidant activity surpasses many known compounds, making it promising for food preservation and health applications. Canolol also exhibits anti-inflammatory, antimutagenic, and anticancer properties, contributing to its potential health benefits. Preheat treatments and frying can increase canolol content initially, but extreme conditions may reduce its concentration. Various extraction methods, including conventional solvent extraction and emerging green techniques like supercritical CO 2 and ultrasound-assisted extraction, are used to obtain canolol. Green extraction methods are favored for their environmental benefits and efficiency, with techniques like microwave-assisted and enzyme-aided extraction showing promise. Advanced methods such as deep eutectic solvents and pulsed-electric fields are being explored to improve yield and sustainability. Although research on extraction is extensive, further studies are needed to optimize conditions and develop delivery systems for canolol’s use in food and nutraceuticals. Overall, canolol’s high antioxidant activity and health-promoting properties suggest it could play a significant role in future food preservation and health interventions, provided its stability and delivery challenges are addressed.